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Palo Alto Networks CN-Series vs Zyxel Unified Security Gateway comparison

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Comparison Buyer's Guide

Executive Summary

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Categories and Ranking

Fortinet FortiGate
Sponsored
Average Rating
8.4
Reviews Sentiment
6.9
Number of Reviews
589
Ranking in other categories
Secure Web Gateways (SWG) (2nd), Firewalls (1st), Intrusion Detection and Prevention Software (IDPS) (1st), Software Defined WAN (SD-WAN) Solutions (1st), WAN Edge (1st), ZTNA (1st), Unified Threat Management (UTM) (1st)
Palo Alto Networks CN-Series
Average Rating
9.6
Reviews Sentiment
7.4
Number of Reviews
2
Ranking in other categories
Firewalls (35th)
Zyxel Unified Security Gateway
Average Rating
6.6
Reviews Sentiment
4.9
Number of Reviews
4
Ranking in other categories
Unified Threat Management (UTM) (13th)
 

Featured Reviews

Vasu Gala - PeerSpot reviewer
Manager, Information Technology Operation/Presales at TechMonarch
A stable solution with an intuitive interface and quick customer service
I have been working with Fortinet FortiGate, WatchGuard, Sophos, and SonicWall. I'm not as comfortable with SonicWall because of their UI and limitations. I prefer Fortinet above all other options. When it comes to configuration, I am confident in my ability to handle various tasks, including creating policies such as firewall rules, web policies, and application policies. Additionally, I can configure VPNs and implement load balancing, among other tasks. Overall, I feel much more comfortable working with Fortinet. Fortinet has made significant improvements by integrating AI with firewalls for threat analysis and prevention. In the past 2-3 years, they have launched FortiSASE and SIEM, and they also provide SOC services. Both Palo Alto and Fortinet FortiGate are excellent. While Fortinet FortiGate comes at higher prices, the functionality and support justify the cost. They promptly resolve firmware issues and inform all support providers about configuration changes.
Ahmed_Shalaby - PeerSpot reviewer
Senior Cyber Security Engineer at Beta Information Technology
Application control excels and integration with monitoring system boosts efficiency
I am an integrator working with Palo Alto Networks CN-Series and Panorama. I have been involved with the implementation of Palo Alto Networks CN-Series The stability of Palo Alto Networks CN-Series is excellent. Application control is one of the most valuable features. Its monitoring capability…
reviewer2399337 - PeerSpot reviewer
Sales and technical consultant at a manufacturing company with 10,001+ employees
User has benefited from stable performance and effective completion of security tasks
I use it mostly for VPN and for some firewall solutions When considering my main use case with VPN, I can say that I got the Zyxel Unified Security Gateway, and it works fine. However, we are thinking about using a different solution based on open source because Zyxel Unified Security Gateway…

Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Pros

"FortiGate's SD-WAN capability is the most useful feature for us."
"Fortinet FortiGate is considered the best in the European market for security reasons."
"We purchased Fortinet because of the pricing, its functionality, because it met our requirements, and the total cost of ownership over five years was quite reasonable. In the market, Fortinet is rated quite well."
"It is easy to use and performs very well."
"Its stability is the most valuable."
"The most important feature is that it's easy to use, it is user-friendly and has all the features you need."
"The SD-WAN feature is the most valuable; this feature evolved from link load balancing and has helped us in terms of our uptime and prioritizing applications whenever we experience an outage."
"Because of the flexibility, the advanced user features, the high level of security controls, and the tweaks that are available for the user, I would rate this solution an eight out of ten."
"The app inspection is very helpful for network security."
"The stability of Palo Alto Networks CN-Series is excellent."
"The cost is very low."
"The solution can scale well."
"This is a capable appliance and the standard features work well for us."
"The Zyxel Unified Security Gateway solution is stable and does its job effectively."
"The most valuable features of the solution stem from web filtering, malware protection, and antivirus."
"This is a capable appliance and the standard features work well for us."
 

Cons

"The sniffing packets or packet captures can be simplified and improved because it's a little confusing."
"There should be some open-source training or free training for decision makers, or some webinars should be available."
"We called them for a geolocation issue and we didn't get any proper assistance."
"Compared to some other products, the DLP is not at par for the moment."
"The firewall engine is not so strong as of now, in my opinion... My second concern is that, while they have Zero-day vulnerability and anti-malware features, the threat engine needs to be strengthened, its efficiency can be increased."
"We would like to have the ability to disable some of the security functionalities."
"There are problems with the custom reporting of the unique traffic. The data is there, but it is too difficult for us to extract."
"We haven't tapped into most of the functionalities that Fortinet FortiGate offers because we're using it just for gateway security. One of the things that I would prefer is a more expansive use of their analyzer. They could do more work on FortiAnalyzer in terms of the data and the information coming from it."
"Palo Alto Networks CN-Series could improve on its pricing as it is quite expensive."
"I'd like to see more IOPs features."
"Although manageable, the user interface is a little bit slow and could be improved."
"Although manageable, the user interface is a little bit slow and could be improved. The advanced UI allows me to do whatever I want, but this is where the issue of speed exists."
"I have never seen it in any company that I've worked with before, and I would advise other companies not to buy it."
"The product has some scalability and data management issues where improvements are required."
"Sometimes it reboots when you least expect it, and that's the main issue."
 

Pricing and Cost Advice

"We purchased a five-year bundle package, which worked out cheaper than competing solutions."
"FortiGate Next-Generation Firewall is cheaper than Cisco or CheckPoint."
"We pay $500 per year for the license."
"The license for Fortinet FortiGate is affordable in my country."
"If the price of the license in Fortinet FortiGate was less expensive it would be better."
"Fortinet has one or two license types, and the VPN numbers are only limited by the hardware chassis make."
"The price is okay."
"The platform offers a reasonable price point compared to its competitors."
Information not available
"The price of Zyxel Unified Security Gateway is good compared to other similar products in the market."
"This gateway is pretty cheap."
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Top Industries

By visitors reading reviews
Computer Software Company
11%
Comms Service Provider
9%
Manufacturing Company
8%
Financial Services Firm
6%
No data available
Comms Service Provider
21%
Computer Software Company
8%
Outsourcing Company
8%
Construction Company
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business363
Midsize Enterprise135
Large Enterprise190
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Questions from the Community

Which is the better NGFW: Fortinet Fortigate or Cisco Firepower?
When you compare these firewalls you can identify them with different features, advantages, practices and usage a...
What is the biggest difference between Sophos XG and FortiGate?
From my experience regarding both the Sophos and FortiGate firewalls, I personally would rather use FortiGate. I know...
What are the biggest technical differences between Sophos UTM and Fortinet FortiGate?
As a solution, Sophos UTM offers a lot of functionality, it scales well, and the stability and performance are quite ...
What is your experience regarding pricing and costs for Palo Alto Networks CN-Series?
The pricing of Palo Alto Networks CN-Series is quite expensive, rating around eight on a scale of one to ten for cost.
What needs improvement with Palo Alto Networks CN-Series?
Palo Alto Networks CN-Series could improve on its pricing as it is quite expensive. The SD-WAN implementation using P...
What is your primary use case for Palo Alto Networks CN-Series?
I am an integrator working with Palo Alto Networks CN-Series ( /products/palo-alto-networks-cn-series-reviews ) and P...
What do you like most about Zyxel Unified Security Gateway?
The most valuable features of the solution stem from web filtering, malware protection, and antivirus.
What is your experience regarding pricing and costs for Zyxel Unified Security Gateway?
I cannot definitively comment on whether Zyxel Unified Security Gateway is an affordable product as I haven't done co...
What needs improvement with Zyxel Unified Security Gateway?
The integration capability is quite challenging. The system is very complicated, and many features are hidden. I'm lo...
 

Also Known As

Fortinet FortiGate Next-Generation Firewall
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Overview

 

Sample Customers

Amazon Web Services, Microsoft, IBM, Cisco, Dell, HP, Oracle, Verizon, AT&T, T-Mobile, Sprint, Vodafone, Orange, BT Group, Telstra, Deutsche Telekom, Comcast, Time Warner Cable, CenturyLink, NTT Communications, Tata Communications, SoftBank, China Mobile, Singtel, Telus, Rogers Communications, Bell Canada, Telkom Indonesia, Telkom South Africa, Telmex, Telia Company, Telkom Kenya
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Find out what your peers are saying about Palo Alto Networks CN-Series vs. Zyxel Unified Security Gateway and other solutions. Updated: March 2026.
885,311 professionals have used our research since 2012.