Azure Firewall vs Zyxel Unified Security Gateway comparison

Microsoft and Zyxel are both solutions in the Firewalls category. Additionally, 80% of Microsoft users are willing to recommend the solution, compared to 50% of Zyxel users who would recommend it.

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Executive Summary

We performed a comparison between Azure Firewall and Zyxel Unified Security Gateway based on real PeerSpot user reviews.

Find out in this report how the two Firewalls solutions compare in terms of features, pricing, service and support, easy of deployment, and ROI.

To learn more, read our detailed Azure Firewall vs. Zyxel Unified Security Gateway Report (Updated: December 2025).

Buyer's Guide

Azure Firewall vs. Zyxel Unified Security Gateway

December 2025

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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

Featured Reviews

Vasu Gala

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.

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Amit Das

Technical Solution Architect at liwa

Has enabled us to manage internal access securely but lacks accessible documentation for deeper integration

We haven't required any support, but overall, Microsoft support is good. Whenever we raise any concern, they are supporting us on time. Currently it is good. We are not a public-facing company; it is a retail company only, so that's why I don't think it is required. We don't have an e-commerce solution on Azure. For that, we are using a different stack for the e-commerce portal, so that is not in Azure. We are only using it for business applications, and I think L3 filtering in network security suffices for our problem currently. Regarding scalability for Azure Firewall, we don't need it here because the request to the application is internal. All are internal users. So there is not much request to get into the application, so scalability is not required for us in the current scenario.

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reviewer2399337

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…

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Quotes from Members

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

Pros

"The ease of setting the solution up is a valuable aspect for us."

"FortiGate also makes GRE tunneling possible."

"The SD-WAN function is very developed. It has SD-WAN functionality with security features in one device. We can manage from one single console SD-WAN and the security policy."

"We are using the FortiGate 100D series. VPN, firewall, anti-malware, OTM, and intrusion prevention are useful features."

"This is a quality product with ok support, and it is better than the competition we've tried."

"SSL-VPN is very useful for us and has been very reliable."

"FortiGate has led to a reduction in our security budget."

"The most valuable feature of Fortinet FortiGate is security. They are known for efficiency and are on the top of Gartner Quadrant reviews. Fortinet FortiGate has an easy-to-use platform with a good graphical interface. The configuration is simple and the solution provides an overall good layer of security."

More Fortinet FortiGate pros

"The solution has FQDN integration."

"Among the most valuable features are the DDoS protection that protects your virtual machines, the threat intelligence, and traffic filtering."

"One of the notable advantages of Azure Firewall is its user-friendly interface, which closely resembles or shares similarities with other Azure components."

"We secure the entry point to the virtual data center with the firewall."

"Azure Firewall's feature that I have found most valuable is its scalability."

"It provided ease of maintenance. If a new firewall was needed, we only had to run the pipelines for this. So, the maintenance was very easy."

"Network filtering is valuable. The scalability capability from the cloud-native service helps us a lot because it simplifies our day-to-day maintenance activity."

"The solution can autoscale."

More Azure Firewall pros

"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 solution can scale well."

"The most valuable features of the solution stem from web filtering, malware protection, and antivirus."

Cons

"Their support's response time can be better. In the past six months, they took quite a long time to respond to the support tickets."

"It's my understanding that more of the current generation features could be brought in. There could be more integration with EDRs, for example."

"It should come integrated or have its own type of network monitor tool in a module. There should just be one package, and you are good to go."

"It would be helpful to have a better tool for migrating all policy rules using an automatic script."

"I would like to have SD-WAN as a part of the Next Generation Firewall. It would enhance high availability."

"In FortiGate Next Generation Firewall (NGFW), my concern regarding improvements is the licensing model."

"FortiGate may include AI capabilities and integrate external threat intelligence. However, version management and backup/restore operations could be improved."

"A sandbox would be good in order to be able to inspect the emails containing spam and be able to validate the emails that contain malware, prior to delivering to the customer."

More Fortinet FortiGate cons

"Azure should be able to work better as a balancer also, instead of just being a firewall. It should have a wider mandate."

"Diagnosing blocked traffic was initially challenging because we didn't know how to diagnose and integrate Azure Firewall with other Azure services for storing logs in Log Analytics."

"Azure Firewall has limited visibility for IDPS, no TLS inspection, no app ID, no user ID, no content ID, no device ID. There is no antivirus or anti-spyware. Azure Firewall doesn't scan traffic for malware unless it triggers an IDPS signature. There is no sandbox or machine learning functionality, meaning we are not protected from Zero-day threats. There is no DNS security and limited web categories."

"It needs a lot of improvement, especially on intruder detection. They are working hard on that."

"It would be nice to be able to create groupings for servers and offer groups of IP addresses."

"The threat intelligence aspect of this particular firewall is not at par with other providers."

"This solution is not mature when it comes to handling perimeter traffic like internet browsing."

"I would appreciate it if Azure Firewall included built-in VPN capabilities."

More Azure Firewall cons

"Sometimes it reboots when you least expect it, and that's the main issue."

"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."

Pricing and Cost Advice

"We pay $500 per year for the license."

"Its price is good."

"Fortigate's pricing is competitive."

"The pricing is comprehensive and clear. You can easily understand what you are purchasing, including which features correspond to each license and maintenance contract. Overall, the information is straightforward. Additionally, compared to other vendors, their prices are competitive."

"The main reason we chose Fortinet FortiGate was that the price was better than the competition."

"The price of Fortinet FortiGate is better than Cisco, Check Point, and Palo Alto. In terms of pricing, it's probably a better-priced firewall solution overall."

"They are more expensive than others."

"Cost-wise, there is not much difference from Sophos, but feature-wise, we get more features."

More Fortinet FortiGate pricing and cost advice

"The licensing module is good."

"Azure Firewall comes with Azure native services. We did not buy any kind of license for it. Whether you have a free subscription or a pay-as-you-go model, you can deploy the Azure Firewall service... The amount that you use will determine how much you pay."

"Azure Firewall is expensive."

"It is expensive, especially with the premium functions. For one of the clients, it was very expensive. You have to use it more at an enterprise level, and there, it was not at an enterprise level. So, it was very costly, but security-wise, it was a very wise decision to use it that way."

"It is pay-as-you-go. So, you pay based on the usage. If I remember it well, there is a basic fee, and there is a traffic fee. It is not per month. It is per hour or something like that. It is not so expensive."

"The total cost of ownership is much less than Palo Alto, Cisco, or any other brand."

"Azure Firewall is quite an expensive product."

"The pricing of Azure Firewall is pay-as-you-go. Fortinet also has a pay-as-you-go model, but Azure's pricing is higher and, with FortiGate, you also have the license."

More Azure Firewall pricing and cost advice

"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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881,114 professionals have used our research since 2012.

Top Industries

By visitors reading reviews

Computer Software Company

12%

Comms Service Provider

Manufacturing Company

Financial Services Firm

Computer Software Company

13%

Financial Services Firm

10%

Government

Comms Service Provider

23%

Computer Software Company

11%

Outsourcing Company

Wholesaler/Distributor

Company Size

By reviewers

Large Enterprise

Midsize Enterprise

Small Business

By reviewers
Company Size	Count
Small Business	357
Midsize Enterprise	133
Large Enterprise	188

By reviewers
Company Size	Count
Small Business	12
Midsize Enterprise	12
Large Enterprise	22

No data available

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...

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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...

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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 ...

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What is a better choice, Azure Firewall or Palo Alto Networks NG Firewalls?

Azure Firewall Vs. Palo Alto Network NG Firewalls Both solutions provide stellar stability and security. Azure Firew...

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How does Azure Firewall compare with Palo Alto Networks VM Series?

Both products are very stable and easily scalable. The setup of Azure Firewall is easy and very user-friendly and the...

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Which would you recommend - FortiGate VM or Azure Firewall?

Both of these solutions are excellent options that provide flexible scalability and solid security. Fortinet Fortigat...

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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.

See all answers

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...

See all answers

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...

See all answers

Comparisons

Sophos Firewall vs Fortinet FortiGate

Compared 20% of the time

Cisco Secure Firewall vs Fortinet FortiGate

Compared 13% of the time

Netgate pfSense vs Fortinet FortiGate

Compared 6% of the time

OPNsense vs Fortinet FortiGate

Compared 3% of the time

Palo Alto Networks NG Firewalls vs Fortinet FortiGate

Compared 3% of the time

More Fortinet FortiGate Competitors

Fortinet FortiGate-VM vs Azure Firewall

Compared 19% of the time

Palo Alto Networks NG Firewalls vs Azure Firewall

Compared 13% of the time

Palo Alto Networks VM-Series vs Azure Firewall

Compared 10% of the time

Check Point CloudGuard Network Security vs Azure Firewall

Compared 9% of the time

Azure Front Door vs Azure Firewall

Compared 4% of the time

More Azure Firewall Competitors

Netgate pfSense vs Zyxel Unified Security Gateway

Compared 14% of the time

Sophos Firewall vs Zyxel Unified Security Gateway

Compared 12% of the time

OPNsense vs Zyxel Unified Security Gateway

Compared 11% of the time

WatchGuard Firebox vs Zyxel Unified Security Gateway

Compared 5% of the time

Cisco Meraki MX vs Zyxel Unified Security Gateway

Compared 5% of the time

More Zyxel Unified Security Gateway Competitors

Product Reports

Buyer's Guide

Fortinet FortiGate

January 2026

Download Fortinet FortiGate product report

Buyer's Guide

Azure Firewall

January 2026

Download Azure Firewall product report

Buyer's Guide

Unified Threat Management (UTM)

January 2026

Download Zyxel Unified Security Gateway product report

Also Known As

Fortinet FortiGate Next-Generation Firewall

No data available

Overview

Fortinet FortiGate is a versatile network security tool offering features like VPN, firewall, web filtering, intrusion prevention, and scalability. It is known for its performance and integration with other Fortinet products, making it a preferred choice for robust cybersecurity.

Fortinet FortiGate stands out as a comprehensive cybersecurity solution with strong performance and ease of configuration. It delivers unified threat management, integrating features such as dynamic routing, SD-WAN support, and centralized management. Despite its strengths, improvements in the web interface's stability, pricing structures, and reporting capabilities are needed. Users seek better integration with third-party tools and automation advancements to enhance the experience further. These enhancements, alongside improvements in bandwidth management and the reduction of licensing costs, are points of interest for users looking to capitalize on FortiGate's extensive capabilities.

What are Fortinet FortiGate's key features?

VPN: Ensures secure remote connections.
Firewall: Protects against unauthorized access.
Web Filtering: Blocks malicious sites and content.
Application Control: Manages and controls applications.
Intrusion Prevention: Detects and prevents vulnerabilities.
SSL Inspection: Enhances security by inspecting encrypted traffic.

What benefits should be considered when evaluating Fortinet FortiGate?

Affordability: Offers cost-effective security solutions.
Reliability: Known for consistent and stable performance.
Integration: Seamlessly integrates with other Fortinet products.
Comprehensive Protection: Provides broad threat protection capabilities.

Fortinet FortiGate is widely implemented across industries as a primary firewall system for securing internet gateways and safeguarding data centers. It supports businesses in achieving SD-WAN integration and enhances cybersecurity by providing essential features like antivirus, web filtering, and application control. Enterprises utilize FortiGate for securing remote connections and ensuring compliance with security standards, making it adaptable for different network sizes and industries.

Fortinet

Azure Firewall is a user-friendly, intuitive, cloud-native firewall security solution that provides top-of-the-industry threat protection for all your Azure Virtual Network resources. Azure Firewall is constantly and thoroughly analyzing all traffic and data packets, making it a very valuable and secure fully stateful firewall as a service with built-in high availability and unrestricted cloud scalability. Azure Firewall allows users to create virtual IP addresses and provides for secure DDoS protection for the virtual machines on your network. It also provides fast and efficient east-west and north-south traffic security.

Azure Firewall is a managed, cloud-based network security service built to protect your Azure Virtual Network resources. It is a fully stateful firewall as a service with built-in high availability and unrestricted cloud scalability.

Azure Firewall has two significant offerings, Standard and Premium.

Azure Firewall Standard works directly with Microsoft Cyber Security and supplies excellent L3-L7 filtering and threat awareness. The proactive real-time threat awareness will quickly alert you and immediately deny all traffic to and from any known problematic or suspicious domains or IP addresses. Microsoft Cyber Security is updated continually to protect against all new and known potential threats at all times. To learn more about Azure Firewall Standard, click here.

Azure Firewall Premium provides everything the standard version does, and additionally adds extra levels of data encryption, network intrusion detection, extended URL filtering, and Web category filters. To learn more about the added features of Azure Firewall Premium, click here.

Key Benefits and Features of Azure Firewall:

High availability - You do not need load balancers with Azure Firewall; it's already built in and ready to go.
Self-scalability - Azure Firewall is intuitive and will auto-scale as needed based on traffic flow to be ready for peak traffic times.
Threat awareness - Using Microsoft Cyber Security to filter traffic, Azure Firewall will deny any known problematic threats to keep your network safe.
Additional IP addresses - You can securely add up to 250 public IP addresses with Azure Firewall
Improved web category filtering - You can set up specific protocols to allow or deny categories within websites that are deemed inappropriate for use within your network. You have the ability to organize categories based on a defined set of descriptions.

What our real users have to say:

Many PeerSpot users found Azure Firewall to be very user-friendly and easy to use. They liked that it offers seamless integration to the cloud and were especially pleased with the threat filtering options.

Regarding integration and threat intelligence, our users wrote:

“The most valuable feature is the integration into the overall cloud platform.”

“The most valuable feature is threat intelligence. It is based on filtering and can identify multiple threats.”

“I think that one of the best features is definitely the premium version, along with the IDPs in terms of the intrusion detection and prevention system.”

Microsoft

ZyWALL USG Series delivers high-access quality to help businesses satisfy the demand for always-online communications. For internal deployments, the ZyWALL USG Series provides active-passive High-Availability (HA) service to support device or connection failover.

With Device HA Pro service, the ZyWALL USG Series also supports instant failover, so connections are always maintained when a failover event occurs. For external deployments, the ZyWALL USG Series features multi- WAN load balancing/failover and a comprehensive mobile broadband USB modem support list for WAN backup operations. The ZyWALL USG Series also supports IPSec load balancing and failover, providing additional resilience for mission-critical VPN failover with VTI Interface deployments.

ZyWALL USG110/210/310 thoroughly protects networks with industry-leading firewall, Anti-Malware/ Virus, Anti-Spam, Content Filtering, IDP, and Application Patrol functionality. Regulate unauthorized use of Web applications over your network, such as Facebook, Google apps, and Netflix, among others. Zyxel security measures are enhanced with SSL Inspection, blocking threats hidden in SSL-encrypted connections while facilitating deeper policy enforcement. Furthermore, newly improved Content Filtering 2.0 enhances HTTPS Domain Filter, Browser SafeSearch, and Geo IP Blocking for an array of security enhancements to ensure clean Web connections.

Zyxel

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

Information Not Available

Buyer's Guide

Azure Firewall vs. Zyxel Unified Security Gateway

December 2025

Free Report: Azure Firewall vs. Zyxel Unified Security Gateway

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