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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
580
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 (31st)
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

"The most valuable features of Fortinet FortiGate are remote access, web filtering, and IPS."
"These features have proven effective in protecting our network, handling large volumes of traffic smoothly without any issues."
"The SD-WAN feature is the most valuable. This feature evolved from link load balancing. It has helped us in terms of our uptime and privatizing applications whenever we experience an outage. The SD-WAN feature has been a plus for us. Two-factor authentication has allowed us to add more users in terms of remote working. We have two-factor authentication for remote workers to authenticate them before they get on the network."
"The interface is user-friendly, so it's easy to add policies and block traffic."
"The most valuable feature of Fortinet FortiGate is the simple configuration."
"This solution has solid UTM features combined with a nice GUI."
"The solution is extremely reliable."
"It's safe and secures my network and applications in some sites."
"The app inspection is very helpful for network security."
"The stability of Palo Alto Networks CN-Series is excellent."
"The Zyxel Unified Security Gateway solution is stable and does its job effectively."
"This is a capable appliance and the standard features work well for us."
"The most valuable features of the solution stem from web filtering, malware protection, and antivirus."
"The solution can scale well."
 

Cons

"It can be a little bit more user-friendly in terms of policy definition and implementation. It seems a little bit complicated, and it could be simplified."
"They need faster serviceability and more security features."
"I would like to see the licensing aspect improved because there is a feature we were yearning to use, the bandwidth monitoring feature, but it's licensed separately."
"Fortinet could improve the windows opener or the virtual IP solutions for opening windows. The virtual IP settings need improvement as firewalls are trending in new development directions."
"The pricing of the solution is expensive, so it could be cheaper."
"The price and deployment part of Fortinet FortiGate is good, but it can always be better."
"I would like to see improvements in the IPS/IDS feature to enhance protection against attacks from attackers, including ransomware protection."
"The stability could be a bit better."
"Palo Alto Networks CN-Series could improve on its pricing as it is quite expensive."
"I'd like to see more IOPs features."
"The product has some scalability and data management issues where improvements are required."
"Although manageable, the user interface is a little bit slow and could be improved."
"Sometimes it reboots when you least expect it, and that's the main issue."
 

Pricing and Cost Advice

"They need to be competitive with other solutions."
"We just pay a flat monthly fee to the vendor for the support."
"It is not expensive as compared to Cisco."
"If the price of the license in Fortinet FortiGate was less expensive it would be better."
"The pricing is based on a licensing model for each IPS in your environment."
"Its price could be better."
"Fortinet FortiGate allows you to purchase licenses for hardware and software."
"It's a year based license."
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
12%
Comms Service Provider
9%
Manufacturing Company
8%
Financial Services Firm
6%
No data available
Comms Service Provider
23%
Computer Software Company
11%
Outsourcing Company
8%
Wholesaler/Distributor
4%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business357
Midsize Enterprise133
Large Enterprise188
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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: December 2025.
881,114 professionals have used our research since 2012.