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ICT Manager at MEDS
Real User
It is a good firewall appliance, but it lacks local support and scalability
Pros and Cons
  • "The firewall appliance itself is the most valuable feature."
  • "I find it a bit costly to pay for the products that I am not using. They need to change their model in such a way that you don't have to pay for the products that you are not using. Its local support and scalability are also not good. I am looking forward to a more scalable product that will be able to grow with time and technology."

What is our primary use case?

We use Kerio Control as our firewall.

How has it helped my organization?

The Kerio Product has come in handy in the area of Firewall management. Having visibility into the entire Organization through a dashboard. 

What is most valuable?

The firewall appliance itself is the most valuable feature.

What needs improvement?

I find it a bit costly to pay for the products that I am not using. They need to change their model in such a way that you don't have to pay for the products that you are not using. 

The GFI features that come with Kerio are stated below. When paying for the licenses we pay for license for everything yet we only use 5 products.

GFI Products

GFI Endpoint Security

In use

GFI Mail Essentials

Not in use

Kerio Connect

In use

GFI Archiver

Not in use

GFI Fax Maker

Not In use

Kerio Control

In Use

GFI Lan Guard

In use

GFI Web Monitor

In use

Kerio Operator

Not in use

GFI Events Manager

Not in use

We only use 5 products out of the 10 we’ve paid for. We should have the option for paying for what we use not a blanket cost for everything

Internet aggregation and SDWAN Technology: The firewall should  allow growth in terms of allowing connectivity to SDWAN technology available in other firewall appliances.Link aggregation and SD-WAN (Software-defined Wide Area Network) are great features for businesses who need multiple links to the internet. They’re also useful where you are using multiple links and would like to connect to other sites, such as branch offices or cloud services.

Its local support and scalability is  also not good. I am looking forward to a more scalable product that will be able to grow with time and technology.

Cloud Support: The Firewall should have cloud support especially hybrid cloud support.

It should allow device identification without just stating that the devices are unrecognized-"unrecognized devices"

Sandboxing is one of those important firewall features that end users don’t even know is there. It takes a file or executable as you’re downloading it and opens it in a completely isolated and separate “test” environment.This is missing.

Buyer's Guide
KerioControl
August 2025
Learn what your peers think about KerioControl. Get advice and tips from experienced pros sharing their opinions. Updated: August 2025.
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For how long have I used the solution?

We have been using this solution for around one year. We are working with Kerio Control and other GFI products that come with it.

What do I think about the stability of the solution?

It has been a stable product. We haven't had any issues apart from yesterday when it somehow froze. It was the first time we experienced such an issue. 

What do I think about the scalability of the solution?

Scalability is a bit of a challenge because you need to buy a new product if you want to upgrade to new technology. 

In other firewall products, you have options for scalability, but for this particular product, such an option is not available. For example, FortiGate firewall provides added technology capabilities that allow it to grow a bit. In Kerio Control, if I want to bring new technology like SD WAN, I need to buy a new product, or maybe do away with Kerio Control and use a new technology altogether.

How are customer service and support?

At the moment, there is no proper local support for Kerio Control here in Kenya. It is hard to get service or assistance for anything. This is the challenge that I faced in using a Kerio product or a GFI product.

Which solution did I use previously and why did I switch?

I used to work with Cisco products. We switched to Kerio because they promised a lot of products, and the initial cost was less as compared to other products.

How was the initial setup?

The initial setup is pretty straightforward. I learned this product on the job, and I never got any hands-on training. I just went to YouTube and oriented myself with it, and then I set it up quickly.

What's my experience with pricing, setup cost, and licensing?

Its initial cost is less as compared to other products. It becomes a bit costly when you pay for the products that you don't use. We paid for almost all the products through subscription, but we are using only a few products. We use EndPointSecurity, Kerio Connect, WebMonitor, and LanGuard. We don't use the rest of the products.

What other advice do I have?

I would rate Kerio Control a six out of ten. Its local support, scalability, and pricing model need to be improved.

Which deployment model are you using for this solution?

On-premises
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
PeerSpot user
Head of IT at Glorious Way Church
Real User
Keeps our public and private networks separated and protected from any intrusions from the outside
Pros and Cons
  • "In terms of the comprehensiveness of the security features, it does a great job of laying out what it does. It's fairly easy to edit and research. Some of the features were turned on by our IT company and I was able to easily find other features on my own by searching for videos on the internet. I've been able to block certain websites, and content filter, as well as manage some of our bandwidth because we live stream on Sunday. I'm able to dedicate bandwidth for the encoder that goes to the internet. It always has enough bandwidth, no matter how many people are on the network. That's really helpful."
  • "There were certain things I didn't know about it, but I've always been able to just contact our IT company. They've been able to walk me through certain things. It was quite a monumental task to set up a public site. Support really had to help me with setting up the VLANs and walk me through it. It was not possible for me to figure that out on my own, but that's what they're here for. That could have been a little bit easier laid out."

What is our primary use case?

It's the firewall and the router for our network. That includes both the public side and our private side as well.

How has it helped my organization?

We were having issues with feeling more secure. Keio Control has made me feel like our network is more secure. Also, the VPN feature was easier to manage and assign to different users. There's no more downtime with our VPN. It just works.

Kerio Control has saved time for the members of our team who manage security.

We've increased the amount of clients that use VPN. It's very easy to manage and very easy to setup. All we have to do is set them up with an account and then download the software to their computer. It just works. There has been a 50% increase.

What is most valuable?

The intrusion prevention is good. I like the fact that it's always up, it's always secure, and it never lets us down, never locks up. It just works.

As a firewall, it keeps our public and our private networks separated and also from any intrusions from the outside. 

In terms of the comprehensiveness of the security features, it does a great job of laying out what it does. It's fairly easy to edit and research. Some of the features were turned on by our IT company and I was able to easily find other features on my own by searching for videos on the internet. I've been able to block certain websites, content filter, as well as manage some of our bandwidth because we live stream on Sunday. I'm able to dedicate bandwidth for the encoder that goes to the internet. It always has enough bandwidth, no matter how many people are on the network. That's really helpful.

It provides us with everything we need in one product.

Because of the reputation of Kerio as well as all of the great things my IT company recommended, it's easy to trust a company like this for our intrusion prevention and for our security. It's really easily laid out and it just works.

The malware and antivirus features keep themselves updated once it's turned on. You don't really have to worry about anything. It scans all the incoming email and it scans for web traffic. It just works in the background. You don't even know it's there until it finds something.

The VPN feature works great and it's secure as well. I'm impressed with the speed at which it works and how easy it is to access over the VPN.

What needs improvement?

There were certain things I didn't know about it, but I've always been able to just contact our IT company. They've been able to walk me through certain things. It was quite a monumental task to set up a public site. Support really had to help me with setting up the VLANs and walk me through it. It was not possible for me to figure that out on my own, but that's what they're here for. That could have been a little bit easier laid out.

For how long have I used the solution?

I have been using Kerio Control for two years. 

What do I think about the stability of the solution?

It's extremely stable and the uptime is incredible in terms of how it stays connected, and we have had no issues in over two years of using it.

What do I think about the scalability of the solution?

It can scale and grow as we grow. It has very impressive features. It is a little bit of overkill for what we use it for. But I think it's worth it. I really do. I don't mean for it to sound like a negative. I chose it on purpose, even though I knew it was a little bit more than we needed. Because of the security features and because of the reputation that it had coming from our IT company, I really saw no other option.

Only I manage the device and I'm head of our IT department.

We have roughly 10 VPN users and 20 or so computers. Then we have at least 75 to 100 devices that connect to it at one time on a Sunday. That connects to the internet and it's able to handle the traffic and the bandwidth management perfectly.

It's more than adequate for our size of business. I know it's made for larger companies than ours, with more employees. But it works very well for us and it's easy to manage. It's robust and very consistent. 

How are customer service and technical support?

I've only had to use technical support once and it was on a VPN. They updated the VPN protocol and I had a question about it. They immediately got back with me. It was easy to deal with them. They immediately had the solution that I needed.

Which solution did I use previously and why did I switch?

Our previous solution was off-brand. We upgraded because it did not have enough bandwidth to support our faster internet speeds. That's the real reason why we upgraded. It was not able to have a VLAN and a second LAN for our public site. That was another reason why we upgraded. We didn't feel it was as secure as Kerio.

How was the initial setup?

The initial setup was straightforward, with the exception of the VLANs, and setting up a second LAN. Other than that, it was straightforward.

The deployment took two hours. 

The IT company went through and showed me all of the settings and gave me a tutorial on which features I needed to use and how to turn them on and what they meant. As far as the rest of our office staff is concerned, they just needed the VPN protocol setup. I was able to do that on my own because that was really straightforward and easy.

They set it up for me. They plugged it in for me and then explained all of the features to me and helped me set up some of the features. I was then able to easily find videos online and some instructions to set up other features that I wanted, like content filtering.

Having seen the process, I could easily do it again without their help. I just needed a little bit of a push from them.

What was our ROI?

We have seen ROI. 

What's my experience with pricing, setup cost, and licensing?

I would encourage other people that when considering pricing, you really have to think about how important your network security is and how you're going to save time in the long run on managing your network. It's worth buying a product that's top-notch and the best quality. Your network is worth it and your employee's security is worth it.

Which other solutions did I evaluate?

We also looked into Ubiquiti UniFi system and decided to go with Kerio.

Kerio ended up being a much better solution. 

What other advice do I have?

I would rate Kerio Control a ten out of ten. 

Disclosure: PeerSpot contacted the reviewer to collect the review and to validate authenticity. The reviewer was referred by the vendor, but the review is not subject to editing or approval by the vendor.
PeerSpot user
Buyer's Guide
KerioControl
August 2025
Learn what your peers think about KerioControl. Get advice and tips from experienced pros sharing their opinions. Updated: August 2025.
865,384 professionals have used our research since 2012.
Solutions Architect at Clockwork Solutions
Real User
Geo-blocking enables us to know where our traffic needs to come from but the antivirus is a bit laggy
Pros and Cons
  • "The top features are ones that we're not using yet but we soon will be because we've just had broadband upgraded in Australia. We've got something called the National Broadband Network, which is forced onto you, so you have to take it when it arrives. We'll be trying the high availability out soon. We tried that with some load balancing, it didn't quite work as we expected, but I think that was more of a configuration thing rather than a product thing."
  • "The antivirus seemed to be a bit laggy on the connection so I disconnected that. It's definitely good. The only issue we've had with any sort of cyber attack seemed to be coming from a couple of distinct locations, people trying to get into known ports on remote desktops and stuff like that. The fact that we can block all that traffic is just great. It simplifies it."

What is our primary use case?

It's the Edge firewall for my business. I'm a small business IT consultancy and I'm subcontracted out to a larger organization. It's really just me working from home, which is a bit more permanent now, but we do have a couple of other side projects I work on with a couple of other partners. One of them is a financial trading solution, so we want Kerio to beef up the edge security to make sure that the solution itself was secured nicely because it meant building out a rack of a couple of rack-mounted servers and beefing up the solution. 

Being an SMB, we do find that Kerio fits our needs. It fits nicely in that space because any time that I've been to an enterprise it's pretty much dominated by Cisco products. A product like this probably wouldn't get much air time to get in the door of a really big organization, whereas a small to medium-size enterprise where they're big enough to have some sort of IT presence, it would probably fit in nicely. With an enterprise that's my size that doesn't have an IT presence, then they'll probably use some sort of managed service solution.

We wanted to beef up the firewall and not just run off some sort of IoT style firewall that's built into a modem. It didn't seem to be adequate for our needs. So that's where we went into Kerio because at the time, we had some remote desktop services running and we were getting a lot of attempted cyber attacks coming out of China and a few other places. Kerio was one of the few that could actually geo-block, which was really quite handy.

How has it helped my organization?

Its primary job is to protect us and give us a degree of comfort. We're putting a lot of effort into creating a financial trading system. We want some comfort that it's secure behind the quality firewall and that's really what beckoned its purchase. The fact that we've not had any issue indicates that it must be doing that job reasonably well, and the fact that we don't get any of those attempted attacks from the block in China, because of geo-blocking, is probably the strongest feature for us. I wouldn't say it improves what we do because it doesn't affect what we do. It's really just security.  It's a tool to improve our security profile for what we do.

We don't expose our remote desktop connected servers to the internet anymore. But when we did have that, because the security log is a really easy thing to set up, it would show you all the attempted, brute force attacks. That's now down to zero. We don't get any brute force attacks, but at the same time, we don't expose the Port 3389 out to the internet. We could achieve the same result with a domestic firewall in a domestic router. However, this gives us a degree of comfort that we can actually analyze any traffic that looks a bit suspicious, inbound, or outbound. That's a definite step change compared to what we'd have in an out-of-the-box type of router.

Security is there to slow things down and make things a bit tricky. That's its bottom line. If security is easy, it's probably being done wrong.

Certainly in the first few months of using it, it was quite time-consuming to get a configuration working that was reliable. Because I work from home, I originally had it protecting everything coming in and out of the home which didn't work well at all. It's protecting the home office and the server environment. Everything else just goes straight out of the domestic router out to the internet because we've got IPTV, with kids on devices. They don't need such a high level of protection. It would be nice to give them that because if you've got this perimeter that's protected by a really good quality product, you want to protect everything.  But when we tried that, it seemed to struggle with the high volume of traffic that was being generated by the IP cameras, the IPTV service, and the myriad of devices and iPads that we have in the house. So we stopped using it for that purpose.

What is most valuable?

The top features are ones that we're not using yet but we soon will be because we've just had broadband upgraded in Australia. We've got something called the National Broadband Network, which is forced onto you, so you have to take it when it arrives. We'll be trying the high availability out soon. We tried that with some load balancing, it didn't quite work as we expected, but I think that was more of a configuration thing rather than a product thing.

The geo-blocking is essential because the partners we deal with are typically either in the US or Australia. We know where our traffic needs to come from and we don't post anything publicly that the general world needs to see. It's just a few discreet services that need to be hosted on this financial trading stuff.

The integration of Active Directory is very good as well. We don't use the VPN service. We use VNC. We get mixed results from the QoS, but that's another good feature. Really, dashboarding, track, and monitoring are the most important features for us as well.

We are about to test the high availability and failover protection because one of the issues we have is the device or the Hyper-V host seems to need a regular rebooting, which isn't an issue directly in itself, but it would be nice if it could do that on its own. We can't find a feature to do that. That's the complaint I'd have of that and the HA might solve that problem for us. So we'll give that a go.

Out-of-the-box, the overall comprehensiveness of the security features is pretty good. It's not just a firewall, it's kind of a firewall proxy, reverse proxy, everything out-of-the-box sort of solution. It's pretty comprehensive. I can't imagine wanting anything else, because for me as a consultant, it's not just about protecting the environment. It's also about having something that's commercial-grade because when you go in as a consultant, you need to be exposed to these tools and you need a lab environment to test these tools out. This is as close to a good commercial tool that you could possibly ask for.

In terms of the availability issue, I've considered that there are hardware options as well, which is nice. We're not sure if that will be an improvement over using Hyper-V, but that's to be decided.

What needs improvement?

The antivirus seemed to be a bit laggy on the connection so I disconnected that. It's definitely good. The only issue we've had with any sort of cyber attack seemed to be coming from a couple of distinct locations, people trying to get into known ports on remote desktops and stuff like that. The fact that we can block all that traffic is just great. It simplifies it.

The last time we used the antivirus, it seemed to slow down some of the connections. I didn't dig too deep into it, we just turned it off and it seemed to rectify the problems. It's hard to say whether it was that directly but it seemed to be creating a bit of overhead on the connections.

The reliability is its biggest downfall. I don't expect to be rebooting a product like this every couple of days. In fact, it's become a start of day thing just to reboot so it doesn't let me down in the middle of a team's call or something like that. It's quite slow as well. I could be on a team call and it would drop the connection. Then we'll get a warning that we've got poor call quality and as soon as you restart the device all the problems go away. There's clearly maybe some sort of memory leak problem or something in there that's affecting its reliability.

We've just had our national broadband network connection today, which is a high throughput connection. We will be reconnecting the entire household through the device, to see how it copes and we'll see if it improves anything.

For how long have I used the solution?

I have been using Kerio Control for two and a half years. 

What do I think about the stability of the solution?

If I came across a client that was a small to medium enterprise, I'd probably recommend it, but a lot of them have a solution in place now anyway. It's hard to get those opportunities for new business in that regard, but I reckon it would probably scale quite well. I'm at 25 licenses, but that's only because we have so many devices in this house. It looks like it probably would scale. As I said, with that level of reliability, that probably would be an issue if you wanted to scale 100 to 200 licenses.

We did try the proxy feature, but once again, that failed miserably. It ran well for a few weeks and then it died on us, and it was really quite hard to diagnose what had gone wrong. We turned it off and went back to a previous configuration which was a bit disappointing. It comes back to that reliability, whatever it is that makes it conk out is clearly a problem.

How are customer service and technical support?

I used support once or twice when I hit the first license ceiling. I did log a support ticket in. They were fine. There were no complaints from that. They offer 24/7 support, via email. I don't think I actually phoned them up. It's pretty good. There are no real issues there.

Which solution did I use previously and why did I switch?

We tried a few different Windows-based products. That's how we found Kerio because it offered a Hyper-V solution and it also offered a hardware solution if you wanted. I'll try the software one first and see where we go. There were a couple of other products we used before. Originally, we used to use Microsoft, the ISA server back in the day because that got swallowed up by Fortinet and we didn't touch that. 

There was another Windows product, WinGate. That has a really bad reliability problem. It would stay up but the connections were very slow going through that thing. Maybe it was poorly configured on my part, but it just seemed to be incredibly slow at managing the connections. We'd notice a very latent response from web pages and it never, even though it had a massive caching there for caching pages, it just seemed to never be as quick as bypassing the WinGate software. That wasn't virtualized. That was running on a native Windows server at the time so that was really quite poor in terms of performance.

How was the initial setup?

Given that it's a Linux deployment, the support it offered, like giving you a Hyper-V client out-of-the-box, is fantastic. It's a really clever idea because you're not then left with a painful configuration of spinning up some sort of Linux host and then trying to do an installation. The fact that it comes pre-packaged with Hyper-V images was a very smart and clever move because that made it a lot easier to get it going if you like. Getting that up and running was quick, it was just a configuration, and finding the right configuration was the hardest part.

The deployment was less than half an hour. It was very quick to get it up and running and get it operational. It was just fine-tuning that configuration to suit my environment that took the time, which I would expect of any device, no device is going to come out-of-the-box and just work like magic unless you've got a really simple environment. Whereas I've got a home environment, where it's just me as a small business, but I've got that many servers and hosts running.

Our strategy was to take it out-of-the-box and get it working.

The setup was pretty easy. The external remote control was really good and simple. It gave extra manageability on the road which was good. It was pretty straightforward.

In terms of maintenance, it's just me. In terms of my time, it doesn't take much time at all. I'll hardly make any changes to it. Now it's running fine. The only next thing I'll be doing is trying out the HOA.

What was our ROI?

With security, I don't think you can calculate ROI. It's not easy to call a return on investment with security products because anything security that's done properly is going to be a cost overhead. That's by its very nature. If security is quick or cheap it's probably wrong. I don't look at it as a return on investment, I see it as security. A bit like saying if I bought a new car and they said, "I can save you $500 if you say no to the airbags." For 99.9% of the time, you'd be saving $500, until one day it costs you lots of money and maybe your life. I see it the same way.

It's not an optional extra, it is an overhead that you have to pay if you want to secure an important asset. You've got to weigh up how important that asset is against how well you want to secure it, and that's where you say, "Well, it's going to cost you the price of a Kerio license, the price of a VNC license, sort of remote management. And that's what it costs to manage and secure properly those services." I'd say we've achieved that. It's hard to really put a return on investment with security.

What's my experience with pricing, setup cost, and licensing?

I think it is a bit on the pricey side, but it's okay. I've got 50 licenses which I think is $250 a year or something like that. It's not terrible. It's actually cheaper than what we pay for VNC. We probably could save money thereby utilizing the Kerio VPN and not VNC. For a firewall proxy solution, it's probably a bit on the higher side price-wise.

We have to provide our own Hyper-V host to spin it up or buy the Kerio hardware, but otherwise, there are no other costs.

What other advice do I have?

I'm experienced in networking, but I'm not a network engineer per se, I'm more software development. The fact that I was able to get it set up and going with minimal fuss was definitely a plus for the product. I've seen products before where you can get them running, you make the slightest configuration change, and the whole thing comes crashing down. It's quite a stable product in that respect and it does look after itself quite well. For example, risk proxying solution and buying a GoDaddy certificate to secure a couple of APIs was a piece of cake. It really didn't hurt us at all. I think the important lesson there is, if we had tried to do the same thing with a NETGEAR sort of a firewall with a built-in firewall product, I think we would have had a hard time. Kerio definitely has made it easier.

I'd say give it a look for sure. I'd totally recommend it.

I would rate Kerio Control a seven out of ten. If I didn't have to reboot it so often, then it would probably score a nine.

It's not a cheap product and it's not a particularly reliable product at the same time which tends not to be a good mix. Something like this should be able to cope with my entire household, every device I throw at it, and it should be able to cope with that fine. It clearly didn't two years ago. We'll try it again in about 24 hours and we have to hook up this high-speed connection to it and we'll see how well it performs there. Reliability is about the only qualm I have with the product.

Which deployment model are you using for this solution?

On-premises
Disclosure: PeerSpot contacted the reviewer to collect the review and to validate authenticity. The reviewer was referred by the vendor, but the review is not subject to editing or approval by the vendor.
PeerSpot user
reviewer1386318 - PeerSpot reviewer
President at a tech services company with 1-10 employees
Real User
Allows me to use a VPN and access my data directly from a laptop when I'm out in the field
Pros and Cons
  • "Instead of using a cloud-based product for accessing information, and putting my data at risk in the cloud and in someone else's hands, it has allowed me to use a VPN and access my data directly from a laptop when I am out in the field. That has made my life a lot easier, where I'm able to access any information I need to be able access, basically on demand, with an Internet connection. That alone has been great."
  • "The comprehensiveness of the security features could be improved upon. However, for the most part, it is pretty good. They could add more logs. I would like to see more detailed reporting, custom reporting from the logs, and more of a streamlined interface for certain aspects."

What is our primary use case?

  • Firewall
  • Security
  • VPN

I use it both within my company and with its clients. I work with Windows Servers, small to medium-sized businesses, and under 100 users.

For product versions, we use the 1100 and 1300 series along with NG100, NG300, and NG500.

How has it helped my organization?

Instead of using a cloud-based product for accessing information, and putting my data at risk in the cloud and in someone else's hands, it has allowed me to use a VPN and access my data directly from a laptop when I am out in the field. That has made my life a lot easier, where I'm able to access any information I need to be able access, basically on demand, with an Internet connection. That alone has been great.

The solution has increased the number of VPN clients extended to those outside my environment by 30 percent. 

My clients are pretty lax about the content filter, but it works well. For the most part, they want to keep their employees pretty happy. Therefore, they are not too strict about what they are viewing. Obviously, they don't want them surfing any adult sites or anything like that. But, for the most part, they do allow shopping at work and things like that. They're more relaxed about it, to a certain degree.

What is most valuable?

The VPN and security are the most valuable features. In the current climate, with people working more remotely, it is nice to have a solution that is flexible and provides multiple features, such as, being a firewall and VPN.

The antivirus works pretty well.

What needs improvement?

The comprehensiveness of the security features could be improved upon. However, for the most part, it is pretty good. They could add more logs. I would like to see more detailed reporting, custom reporting from the logs, and more of a streamlined interface for certain aspects.

The malware features could be improved. In the large systems, it could use a better alert system, as far as things happening. I get a lot more information from Kerio Connect, as far as alerts, but not so many through the Control products.

It's pretty easy to use. Although, the interface could be improved upon. Certain settings are thin to a certain degree, whereas they should be put more to the forefront and right in front of your face. I would give it a seven out of a 10 for its ease of use.

For how long have I used the solution?

Almost a decade.

What do I think about the stability of the solution?

It's pretty stable. I don't have too many complaints about the product.

What do I think about the scalability of the solution?

I'm a sole proprietor. I don't have any employees, so it's just me.

I deal mostly with small businesses, so it scales well for that.

How are customer service and technical support?

When GFI first took over, there were issues. There were issues contacting them. Even recently, there have been some issues with the MyKerio site. I was getting false notifications, and that basically took a month to resolve, which I thought was wrong in today's environment. I rely on notifications, and it was giving me false notifications. I had no idea if systems were down or not, so I was a bit disappointed.

Which solution did I use previously and why did I switch?

I have used a couple of other brands, like SonicWall, but not in a long time. 

Kerio Control has more flexibility, e.g., VPN with the Kerio Control Boxes. Though, some of the other products do have better reporting.

How was the initial setup?

The initial setup was pretty straightforward and intuitive. I just need to have some of the information of my clients in front of me. The only thing would be to tweak bug filters and content filters a bit, depending upon your client requirements. However, getting it up and running, it's pretty straightforward. 

There are wizards. You can just follow the wizard, pay attention, and be all right.

I haven't used all the features yet, e.g., I still don't integrate Active Directory.

What about the implementation team?

I use the Kerio Control Boxes. So, I receive it, test it, register it, and update it, then take it out to the client, reconfigure it, and tweak it. This takes three hours.

What was our ROI?

The solution has saved time for me. It saves me five or six hours a month, where I would have to go run back and forth between clients. If I'm out in the field, I would have to run back to the office to get something or check something. Therefore, it has saved time for me while being onsite and having to access information that I need quickly. For the most part, the security has been good. I haven't had too many issues. Though, the reporting could be better, so I can see specific data on their systems.

I've used them for VPN tunnels to connect offices. For one of my clients, the return on investment is rather good, because there are software products out there that charge on a yearly basis for subscriptions. Using the Kerio Control VPN, there are no yearly subscriptions. So, it has saved them money.

What's my experience with pricing, setup cost, and licensing?

It gives us a lot. It does prove to be a very robust product for the cost.

The yearly maintenance fee is a bit high for the Kerio Control Boxes. The end of life for the devices is kind of short. It seems like they're making you upgrade within a short period of time. They should at least allow five years, but it seems like they are changing their end of life to be shorter to generate revenue.

What other advice do I have?

The solution’s firewall and intrusion detection features are average. They're not spectacular, but they do the job. For the price point though, it's very good.

The solution is pretty reliable. It is flexible, e.g., if you have an old workstation, you can turn that into a Kerio Control Box, which is nice. I'll continue using them. However, I believe that their end of life and maintenance fees could be a little more flexible, as far as the cost of the maintenance fee and the length of the lifecycle of these devices. 

I would give the solution an eight out of 10.

Disclosure: PeerSpot contacted the reviewer to collect the review and to validate authenticity. The reviewer was referred by the vendor, but the review is not subject to editing or approval by the vendor. The reviewer's company has a business relationship with this vendor other than being a customer: Partner.
PeerSpot user
IT Support at Rural Computer Consultants, Inc
Real User
Content filtering and VPN simplicity are second to none
Pros and Cons
  • "The ease of use in the GUI itself is the most valuable feature. The GUI is really the best part of it. We like the traffic rules so we can control who can get to what. It's easy to determine the flow of the traffic itself so we aren't having to guess through command lines and reading out basically command-driven output. It's just a very easy-to-use interface. The interface is the best part of the product."
  • "The security part of the software, like virus scanning, website, traffic monitoring, things like that, can take a beating on the appliance. And when there's a lot of things going on, the system can get bogged down. The actual security functionality of it needs a little bit more work, which I believe they are remedying or attempting to remedy at this time, but that's the downfall at this time."

What is our primary use case?

We have over 50 office staff that we use Kerio Control to protect, monitor web traffic, and cloud-host environments. We have a VPN tunnel from outside vendors that we keep connected to our environment and we use it as a switching device between some of our hardware in the hosting environment. We also use it for the security function. 

Our primary use case is for intrusion prevention from attackers, from wherever they may be. And also for doing the quality of service because we have a lot of remote users, especially during this pandemic. We can control the quality of service with phones and network devices, as well as the antivirus scanning. We use the whole gamut of pretty much everything that Kerio has to offer.

We're still a small company but we are pushing what the software is currently able to handle, while it seems to be geared towards small-medium business.

How has it helped my organization?

Content filtering used to be that you had to block specific websites that you didn't want somebody to access, or you had to write a specific rule to say that something is accessible or not accessible. We can apply Kerio-provided categories and rules without having to define large scopes of protocols or malicious websites. That part of it has come a long way in the last five to ten years.

The GUI is the best part of the product. If another team member needs to get in there to do something, it's a really quick click and it's done. There's no learning through command-line tools.

On an annual basis, we save not just hundreds of hours but also labor costs. Over the life of the product, I'm sure it's in the tens of thousands of hours because we don't need an inhouse specialist in Kerio technology.


What is most valuable?

The ease of use in the GUI itself is the most valuable feature. We like the traffic rules so we can control who has access. It's easy to determine the flow of the traffic itself so we don't have to educate on command lines and reading out command-driven output. It's a very easy-to-use interface.

The comprehensiveness of the security features is fairly good. There have been some suggestions that we've made to the GFI team that we would like to see for performance. As our company grows, we need Kerio to grow with us, and so we've suggested some ideas on making the Kerio Control appliance perform better for more users because it can become sluggish under heavy loads.

In terms of security features, Kerio gives us most of what we need. There are some granular items that we would find more useful when we want to stop a particular region from access. 

The firewall and intrusion detection features are really good, it just needs a little bit more fine-tuning.

The content filtering and VPN features are great. The vpn client is ssl based, so no key cipher matching is required when setting up without information in front of you.

What needs improvement?

The security part of the software, like virus scanning, website, traffic monitoring, things like that, can take a toll on performance. The actual security functionality of it needs a little bit more work, which I believe they are remedying or attempting to remedy at this time, but that's the downfall at this time; it is currently running on an end of life linux kernel.

For how long have I used the solution?

I personally have been using Kerio Control for 13 years but it's been at my company for close to 20 years.

What do I think about the stability of the solution?

The stability has actually improved quite a bit. There were some bugs found in previous versions up until about last spring, and then they concentrated on fixing some of the issues causing us some problems. As of the last update, it's very stable.

What do I think about the scalability of the solution?

It's not very scalable when you start to get into the hundreds to thousands of users because the performance of all of the functionality isn't quite there yet. We're hoping that's remedied with some updates coming down the line.

Kerio is pretty much the backbone of everything that we do. Keeping all of our customers connected to us, keeping our staff safe online, and getting our staff into our cloud environment.

How are customer service and technical support?

The GFI technical support can be very time-consuming to get down to the root of the problem, but they are very helpful when you do have an issue. It just takes some time to get to it. It sometimes can be communication that's the issue. Sometimes it can be the complexity of the problem.

It doesn't seem to be a lack of knowledge on the technical support side of things. Some of it comes down to whether the product can currently do what we needed to do or not. We were trying to determine if there was something that we could do to get better performance out of the appliance, and the response from the GFI support team was that it wasn't able to do some of the things that we wanted it to do, but it was something that they were looking at with rewriting some of the functionality. There is the possibility that some of those can be overcome easier.

Which solution did I use previously and why did I switch?

I did not have any experience with another similar solution. In fact, I had never heard of Kerio until I started at my company, primarily because Kerio was fairly small at the time. They were based out of California at the time. They were a small company and generally fit into the 100-users-or-less environment. When you would hear about other vendors, they generally ran in the thousands to tens of thousands of users and you just didn't hear about Kerio in that product line.

We take other solutions into consideration based on the growth needs that we have. As our cloud environment gets larger, if the Kerio technology is not able to keep up, that's always under consideration.

How was the initial setup?

The process was pretty straightforward. Something that I expected to take days to weeks took about two or three hours.

What was our ROI?

Network security should not be planned around providing a return on your dollar in terms of a payback in the administration of the process. It should be planned around providing a level of comfort to management that intruders are being kept out of the network, errors and omissions are being kept to an acceptable level of risk.

What's my experience with pricing, setup cost, and licensing?

Price-wise, it's very affordable. Whether you're a smaller or larger business, whether you're five users or a couple of hundred users, the pricing is very fair. The performance of it is what determines how you want to license it because you can purchase a Kerio appliance. We try to make use out of everything because we like to keep it in one place. It has fit our business size and needs.

Which other solutions did I evaluate?

Some of the main differences between the other solutions and Kerio is that Kerio has made their subscription service fairly universal. You get pretty much everything with one subscription. With some of the other vendors, you have to subscribe to each module that you want to use. On the other side of it, other firewall vendors tend to be able to handle in the millions of connections, hundreds of thousands to millions. And we see some of those limitations with the Kerio appliance because of some of the aging architecture of it.

What other advice do I have?

My advice would be to follow the hardware requirements of Kerio and make sure the equipment that you have can run the connections for the number of users that you intend to run and are being planned out to be successful. Working with the Kerio team to determine your needs works out very well. 

Not all firewalls have to be difficult to learn. Kerio has made it a really easy-to-use product.

Which deployment model are you using for this solution?

On-premises
Disclosure: PeerSpot contacted the reviewer to collect the review and to validate authenticity. The reviewer was referred by the vendor, but the review is not subject to editing or approval by the vendor.
PeerSpot user
General Manager at Gays Hops-n-Schnapps
Real User
Using the VPN it's like I'm sitting in our store; provides seamless connectivity
Pros and Cons
  • "I love the VPN that we set up. A few of us have it on our computers so that if we leave, we can still access the stores. And we can work from home if needed. When I sign into that Kerio VPN, it links me like I'm sitting in the store. It puts me in our secure network so that I can sign on to each individual store and I can run numbers... If I have to work from home, it's so much faster than the way we used to do it."
  • "When we did our last update, we had some trouble with the initial syncing process to get our messaging to go through. But we were also moving a store and a lot was changing during that process. I don't think it was on Kerio's end. It just coincided with the update. Once we got our third-party IT guy involved it was resolved very quickly."

What is our primary use case?

We mainly use Kerio Control for the phone systems. We use it like a VPN network so that I and a couple other guys can take our computers home and work from home. That's a great feature. We love that because you can sign in at home and be like you're in the store.

What is most valuable?

We have five locations and, for the person who controls it we have it set up in our main office. The ease of access, of being able to change a voice message, it links to that. The person who controls it can approve it and then she just plays it. That's great for when we have to do a holiday message or special events are happening. We love that feature. 

I love the VPN that we set up. A few of us have it on our computers so that if we leave, we can still access the stores. And we can work from home if needed. When I sign into that Kerio VPN, it links me like I'm sitting in the store. It puts me in our secure network so that I can sign on to each individual store and I can run numbers. We work through ICS Vision for our stores. We have a corporate plus five stores and it lets me link to all that. If I have to work from home, it's so much faster than the way we used to do it. It saves me a couple hours of each time I use it from home. It also saves me from having to drive in.

It's the overall ease of everything. It seems to have pretty seamless connectivity for linking our stores.

Also, the firewall and intrusion detection features seem to keep people out of our servers. I know it's a little bit of a process to try to link something new into it because the firewall is very secure, but we haven't had any issues with malware attacks on our end so it must be stopping them.

What needs improvement?

We haven't really had any major issues. But when we did our last update, we had some trouble with the initial syncing process to get our messaging to go through. But we were also moving a store and a lot was changing during that process. I don't think it was on Kerio's end. It just coincided with the update. Once we got our third-party IT guy involved it was resolved very quickly.

For how long have I used the solution?

We have been using Kerio Control for about six years.

What do I think about the stability of the solution?

The stability has been fine. We have no concerns or complaints.

What do I think about the scalability of the solution?

In terms of increasing usage, that's going to end up being discussed in a meeting with our IT guy to see what capabilities it has, how we could expand it, how we could grow with it, and how it could help out day-to-day business.

How was the initial setup?

I've been with the company a little over three years now, but when I came in as general manager it was already in use. The upgrade is the closest that I've been to a deployment.

From start to finish, when doing the upgrade, we were back up in an hour, including the issue we had. Our IT guy let us know what was going on and that there was a series of events he had to do and he did them and we were good to go.

What was our ROI?

From the old way we used to do things, it's night and day. Before the company brought this on, it was pretty old-school in how it did its phone systems and messaging. The efficiency has doubled, but the company also used to use answering machines way back when.

What's my experience with pricing, setup cost, and licensing?

I've never seen any additional costs incurred or involved, other than the initial.

What other advice do I have?

The biggest lesson from using Kerio Control is the untapped potential there is to link to everything and streamline our business. That's really what it's about for us. Obviously, there's more out there for us to do with it.

As an SMB, Kerio Control is a good fit for our environment. It serves what we need done. I would recommend it for a smaller business because the ease of use and the access it allows us are great.

Disclosure: PeerSpot contacted the reviewer to collect the review and to validate authenticity. The reviewer was referred by the vendor, but the review is not subject to editing or approval by the vendor.
PeerSpot user
Owner at L3GNL LLC
Real User
Notifies me whenever there's a problem so we don't have to constantly watch the screen
Pros and Cons
  • "The comprehensiveness of the security features that Kerio Control provides us with is good. Before GFI had it, they would have more updates. The updates have been slower, but I like the things that they keep adding like the ability to block by country. I use pretty much every feature."
  • "I can no longer renew my subscription directly with GFI but we have to go through third-party resellers like CDW. The first time I did it with CDW. I went to CDW and it was almost like they didn't even know anything. They didn't know what package I was supposed to get. Then after I got it, it took almost five days to get everything working."

What is our primary use case?

I use Kerio Control is several different places. I use it at home. I also have a firewall at my grocery store. I have a server on the internet that uses Kerio Connect, and I have Kerio Control in front of it.

How has it helped my organization?

It has improved my organization because I am able to back the mail server through the tunnel to my house. All the video cameras at the store get copied and backed up to my house as well. For example, if I had a break-in and someone took the video server, I would still have copies of all the videos.

Kerio has saved time for those who manage security. It notifies me whenever there's a problem or when something goes wrong so we don't have to constantly watch the screen. It saves us 20 to 30 man-hours a week. 

What is most valuable?

The custom firewalling is pretty intuitive. You don't have to sit there and learn a new language or anything like that. You can just block this, open that, allow this, just allow that. With a lot of firewalls nowadays, you have to know a language. You have to sit there at the keyboard and type in special commands, and those commands are not used anywhere, just for that particular brand of firewall. Connecting the two up in two different locations for a tunnel is easy.

The comprehensiveness of the security features that Kerio Control provides us with is good. Before GFI had it, they would have more updates. The updates have been slower, but I like the things that they keep adding like the ability to block by country. I use pretty much every feature.

Kerio Control gives us everything in one solution.

The firewall and intrusion detection features are pretty good. I haven't had an issue that I know of. I hope no one's gotten any. I think it's good.

I also like the malware and antivirus features. It's sitting in front of my email server and the email server has antivirus too. The firewall catches it before the email server even catches it, so they work pretty well.

I like the VPN but I don't use content filtering that much. It works pretty well but a lot of times kids can get around that kind of stuff. I don't have kids that age anymore, so I don't have to worry about it. I don't use the content filtering that much.

Kerio is easy to use. If you don't know tech, you can't just get up and do it. Nothing can be that easy, but you don't have to be a rocket scientist to do it. `

What needs improvement?

The only thing that I have a problem with is not so much the product itself, but back when Kerio had it, I could call up Kerio or send an email and do an upgrade online. I could renew my subscription online. But now, I have to go through a third-party, and it seems clumsy. 

I can no longer renew my subscription directly with GFI but we have to go through third-party resellers like CDW. The first time I did it with CDW. I went to CDW and it was almost like they didn't even know anything. They didn't know what package I was supposed to get. Then after I got it, it took almost five days to get everything working. I used to be able to go to Kerio's website and then add the stuff to my cart, use my credit card, and it would bill me. Everything would be working in a few minutes. But now, if your subscription is getting ready to expire, you better give it a week or two.

For how long have I used the solution?

I have been using Kerio Control since the late nineties when it was called WinRoute Firewall.

What do I think about the stability of the solution?

The stability is really good. I haven't had any issues whatsoever. 

What do I think about the scalability of the solution?

I'm not a large enterprise, so I don't know how well it scales. But I imagine if you were to throw bigger hardware at it, it would scale really well.

I'm the owner, so nobody else touches Kerio except for me. Everybody else uses it as part of their job. They don't really know it's there.

My company is small-sized and Kerio is good for it. It's good for small and medium businesses. I've never used it on a large or an extra-large enterprise, so I couldn't give my opinion on that. I would imagine it could, I just don't have any experience.

How are customer service and technical support?

I haven't used GFI, but back when Kerio had it, they were very good.

They were very responsive. A lot of times you call the company tech support and they want to treat you like you don't know what you're doing. It's a "Is the power plugged into the wall" kind of a thing. They're very fast to understand that it's not the user that they're talking to on the phone. That the user they're talking to on the phone knows what they're doing to an extent and needs some extra help. It saves time. But I haven't had to call GFI yet, other than when my key wasn't working. It was an email. When I renewed my subscription, the keys didn't update. They had a problem with their update process, so the person had to go and manually update all my subscriptions. It took a few days. 

At first, they didn't understand, because they said it's just automatic. Which it's supposed to be. The next day I told them that it didn't update. Then finally looked and they did one subscription, and then I told them that my other subscriptions didn't update. 

At first, I was supposed to read a manual on how to do it. But I was doing everything that was shown, it just that their process behind the scene wasn't working. It's the online thing, so it was updated. However, my server wouldn't get the notification that it was updated. They thought I was not doing the website properly because they would tell me to go to the website and hit update. It first started as if I was a user that didn't know how to do anything and then they realized we had a problem. I fixed it. It should have been a lot faster.

Which solution did I use previously and why did I switch?

I did try out another solution called Unify but it wouldn't work very well. I couldn't get the VPN tunneling to work. The GUI was not intuitive and it was all over the place. Things were not all in the same spot. 

I actually bought several of them. I was going to go away from Kerio. I didn't like the way Unify worked. You had to have a gateway key in order for it to work. You took two devices to make one device work. I ended up scrapping that project and kept Kerio.

How was the initial setup?

For the initial setup, it walks you through a wizard. I've just never used that. But the wizard can set up a very basic bare bones, don't let anything in kind of a setup, which works. My setup is more complex. I have VPNs and tunnels. Any IP on my network has to be logged in, in order to get out. Mine is more of a complex setup. The ease of setup is pretty easy if you use the wizard. It just asks you a few questions and that's it. It's a bit more complex when you do it yourself. 

The deployment took a couple of hours. 

What was our ROI?

I have seen ROI. All the attacks, malware, and viruses that have been stopped are nonstop. The people out there are attacking all the time. It's nonstop, it never stops.

We have peace of mind that our solution stops all those attacks.

What's my experience with pricing, setup cost, and licensing?

Get the GFI unlimited, unless you're only going to have it at one spot. The pricing for the unlimited is a pretty good deal.

Which other solutions did I evaluate?

I looked into Palo Alto, that had a lot of features and everything else. But when I tried to contact them to get a price, they didn't give me the time of day. They wouldn't even return my call. At the time I was a director for a very large company and they still ignored me.

What other advice do I have?

Make sure the person that's doing it knows what they're doing. If you're not getting overly complicated, pretty much anybody can do it. But if you're going to get complex, you'll need to have somebody that knows their way around or else you might make yourself vulnerable.

If you have a tunnel and you have to change certificates because they expired, you do it in the right order, or else you might have to travel long ways to accept the key on the other side. If you create a new key for the tunnel and apply it, the tunnel is down until the other side accepts the key. If going through the tunnel was your only way there, then you're now traveling unnecessarily or long ways. Luckily for me, it was not too far away. But if you have city to city and you have no one on the other end that has the ability to log in and accept the key, then you're going there.

I would rate Kerio Control an eight out of ten. 

I haven't had a lot of experience with the new owners and I'm worried that they're going to sunset it or not give it the attention it needs. That's just my thought, I have no proof or anything like that. 

Disclosure: PeerSpot contacted the reviewer to collect the review and to validate authenticity. The reviewer was referred by the vendor, but the review is not subject to editing or approval by the vendor.
PeerSpot user
Owner at Multi Level Software
Real User
Gives me the ability to map which ports to allow in and out of the VPN
Pros and Cons
  • "I want to have access to my computer from the outside and Kerio Control plays a role because it has a VPN... It is more reliable because it's a smaller group of computers to target for hackers and the like. The VPN works very well. I use it to work remotely very easily and exchange information, both to and from the location where it's deployed, and there have been no problems there."
  • "I would like to be able to automatically send email from Kerio Control and have it tell me what my external IPs are, because on one of my lines I have a fixed IP address and on the other it is variable. If there were a permanent way for me to figure out, "Okay, my current external VPN and my firm IP is this," it would help. I need to know the IP address to connect with the VPN and, at the moment, one of the lines sometimes changes its IP address without me knowing it. It's a hassle to figure out what it is."

What is our primary use case?

I use Kerio Control because it is one of the few firewalls which allows easy failover from two separate internet providers. It also has virus protection built-in. I use it to have reliable access to the internet, which is virus-free and which fails over if one of my internet providers drops — and they do sometimes when it rains. Those were the reasons I wanted Kerio Control. And it just works; provides internet.

We are a very small company, and started with two users. We have now four users who use it on and off. There are nine or 10 computers. I, myself have three or four computers working at the same time. I'm not really dependent on cloud, but I use internet very much in a lot of situations.

It's deployed onsite but as a virtual machine in a Windows server.

How has it helped my organization?

Being an SMB, Kerio Control is nice-to-have. It fulfills my needs completely. 

It allows the users I have to use email without any problem, without their having to know anything about the fact that there is a firewall which protects them in different ways. I might spend an hour per month on maintenance of the Kerio system. So it's very transparent and very hidden. The best thing is the fact that nobody notices it.

It has helped me save time. It allows me to get on with my main work, without spending any time on security or worrying about threats to the data I have. Without it, I would have lost a lot of time. A long time ago, I spent a lot of time cleaning computers, removing viruses, etc. That has all gone away since I have had this set up, as part of a three-layer defense.

The failover has no effect on security. It only affects the availability. There used to be a situation where I had two internet providers with different speeds. If my main provider was down, it would be backed up by the other and I wouldn't notice that it was a little slower, and I wouldn't notice that one of my internet providers was unavailable. This guarantees that I always have internet availability. We had some technical problems with one of the lines which was very sensitive to rain — which sounds weird, but okay. And this setup allowed me to not think about it anymore. Since then, internet speeds have grown and at the moment it's not a big issue, but I'm sure that both of the providers drop once a year for a day. But I don't notice it, and that's very important for me.

What is most valuable?

The most valuable features include 

  • being able to attach to two different internet providers
  • the ability to map which ports you will allow in and out of the VPN, which is built-in 
  • the fact that it reliably works without any attention.

I want to have access to my computer from the outside and Kerio Control plays a role because it has a VPN. This VPN is different from most other VPNs, although they have used a standard version. It is more reliable because it's a smaller group of computers to target for hackers and the like. The VPN works very well. I use it to work remotely very easily and exchange information, both to and from the location where it's deployed, and there have been no problems there.

I have one or two VPN clients, at most, that are active at one time, so it's there if needed when I'm not working at this location. It helps me a lot to have a reliable VPN client. I have no performance issues when working through VPN.

Kerio Control also has some authorizations so I am able to block internet access for certain hours for certain people.

Overall, the security features are adequate. They do what I need. I don't have much experience with anything else, so I can't compare, but they completely solved my problems.

The firewall and intrusion detection features don't hinder me, and I haven't had any attacks, as far as I can see. I want a firewall to be unobtrusive. I don't want to notice it's there. It should just do its work and protect me and not hinder me when doing real work, and that's what it does. It's very good because it shouldn't be noticed, and it's good at not being noticed and doing its work.

Overall, I don't have any problem using Kerio Control. For me, it's very easy, but I've been working in software for some 50 years.

What needs improvement?

I would like to be able to automatically send email from Kerio Control and have it tell me what my external IPs are, because on one of my lines I have a fixed IP address and on the other it is variable. If there were a permanent way for me to figure out, "Okay, my current external VPN and my firm IP is this," it would help. I need to know the IP address to connect with the VPN and, at the moment, one of the lines sometimes changes its IP address without me knowing it. It's a hassle to figure out what it is.

It might also be interesting to have a GFI-approved, Docker-containerized version of the Kerio Control system.

For how long have I used the solution?

I have been using Kerio Control for more than 10 years.

What do I think about the stability of the solution?

I don't remember any glitches. I haven't had problems with it for a very long time. But I use it very specifically for a certain purpose and that works fine.

What do I think about the scalability of the solution?

It's very hard for me to give a correct estimate of the scalability, since a lot of overhead in my situation is caused by the fact that I run it in a virtual machine. That means the bandwidth which it can process, which would be scalable, is downgraded because it's in a virtual machine. That's not Kerio's fault.

I have no plans to increase the usage in the future. For me, it's adequate because I have a lot of leeway. I have enough bandwidth available to fulfill my needs.

How are customer service and technical support?

The problems I've had with Kerio, when I wanted to change something, have always been solved by consulting the Knowledge Base.

We are located in Holland and there is supposed to be Dutch tech support, and there is an American tech support, as far as I know. The bad thing about the American tech support is that reaching them by phone is difficult and by mail there's a certain turnaround. So, I'd rather rely on the Knowledge Base so that I'm not really dependent on the person on the other side.

They have an extensive Knowledge Base and, if you can't find something there, you can check the internet and there's enough available.

Which solution did I use previously and why did I switch?

I switched because I wanted something which had the possibility to handle two different internet providers, two network cards, and do load switching and load balancing. The other solution I used didn't have that.

How was the initial setup?

The initial setup is easy. I know what I want to configure so it's easy, no problem at all. 

The biggest problem I have is using it as a container on a virtual machine. You have to connect your hardware network cards to the internal virtual machine. That's a problem that Kerio won't be able to solve because it's the environment I have to create to let Kerio work in the way I work, and that is probably different than most users. But if you use it on a simple PC, it's no problem at all.

I reinstalled it recently and it took me about half an hour, and part of that was getting backups right, etc.

As for an implementation strategy, I changed the system my Kerio was installed on, so I first did a trial-install to figure out if everything worked. After that, when I did the actual production install, it was done very fast because I had tried it out before.

What was our ROI?

It does its job. Converted into hours, it doesn't cost more than five hours per year to pay the price for the 10 users I have. That's a good deal for me.

Having good internet access is a very large requirement for me to do my work. Internet is one of the basic tools I have and I need a firewall. Your internet provider will give you a box that has a simple firewall in it, but that doesn't suffice for me. I need something like this and it's not an option for me not to buy a product like this. I'm really not even thinking of return on investment. If I don't have something like this, I just can't work. It's a basic necessity.

What's my experience with pricing, setup cost, and licensing?

I don't think it's expensive. I'd recommend it to others.

Which other solutions did I evaluate?

I haven't evaluated any other options. I started using Kerio Control and it was sufficient. I haven't spent any time looking at alternatives. I've seen constant improvements in Kerio; they actively enhance the product. That's a good sign for me. I also use the GFI mail server and I prefer to use one company for my tools.

What other advice do I have?

My general advice is always: Read the manual, check your hardware and see if you have everything you need, and if it will suit your needs.

It's hard for me to assess its malware and antivirus protection because Kerio is one part of a three-part defense against malware and antivirus. I'm not sure which part picks up which problem. My philosophy is that no single protocol picks up all the problems, so if you have several of them, you'll fight the virus or malware at some point. That's why I have three different tools with different focus points, and together they keep me safe. Malwarebytes specializes more in malware, ESET is a normal desktop antivirus system, and this system is a general anti-malware and antivirus system of another type. They compliment each other.

I have an internet speed of 200 megabits per second, and 15 might be enough. So the only point I don't know about Kerio is whether it takes a lot of performance out of the maximum you could get if you didn't have a firewall.

Overall, I would give it a nine out of ten, but with the comment that I haven't compared it with anything else. On my scale, 10s are very rare. They're for things that go beyond my expectations and Kerio does exactly what I expect and it does it well.

It's just an essential which does it's work. I don't think about it normally. It's just there and it works.

Which deployment model are you using for this solution?

On-premises
Disclosure: PeerSpot contacted the reviewer to collect the review and to validate authenticity. The reviewer was referred by the vendor, but the review is not subject to editing or approval by the vendor.
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Buyer's Guide
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Updated: August 2025
Buyer's Guide
Download our free KerioControl Report and get advice and tips from experienced pros sharing their opinions.