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Azure Firewall vs Zscaler Internet Access 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
7.2
Number of Reviews
330
Ranking in other categories
Firewalls (2nd), Software Defined WAN (SD-WAN) Solutions (1st), WAN Edge (1st)
Azure Firewall
Average Rating
7.4
Reviews Sentiment
7.1
Number of Reviews
40
Ranking in other categories
Firewalls (13th), Microsoft Security Suite (10th)
Zscaler Internet Access
Average Rating
8.2
Reviews Sentiment
7.0
Number of Reviews
53
Ranking in other categories
Secure Web Gateways (SWG) (2nd), Internet Security (2nd)
 

Mindshare comparison

Firewalls
Secure Web Gateways (SWG)
 

Featured Reviews

EhabAli - PeerSpot reviewer
Efficient, user-friendly, and affordable
In the past, NSS Labs was utilized to test files and verify the numbers and datasheets. It would be beneficial to have an organization or testing lab that can verify the numbers in our datasheets since changes are frequently made, which can be inconvenient for review. For instance, when comparing different competitors such as Forcepoint, Palo Alto, and Check Point, the throughput or numbers in the datasheet may be lower than the actual numbers. Conversely, Fortinet typically reports very high numbers, but they cannot be replicated in the real world. Therefore, it would be advantageous for them to partner with a neutral testing organization such as NSS Labs to validate these numbers, thus providing more credibility and comfort to everyone regarding the accuracy of the datasheets. For the migration, everyone has a firewall in use and I am selling Fortinet. Typically, I am replacing another firewall. Previously, there was a tool available to convert configurations from one firewall, such as Palo Alto, to Fortinet, but this tool is no longer free. If it could be made free again, it would be very beneficial. This tool shows a lot of promise and is very good. Making it free would help many companies deliver their products in a more efficient and integrated way. It would also be more valuable to include the tool with the firewall package or license instead of having to pay extra for it. Paying extra puts more pressure on small companies to deliver the firewall and complete the configuration, especially if they have hundreds or thousands of policies. It's very painful to move through these policies line by line. The stability has room for improvement. When it comes to Secure SD-WAN, everything is fine. They are going the right way. SD-WAN is very promising. They can provide the SD-WAN solution separately, but they will not take this approach because even the smallest firewall can support the features, so there is no need to have a separate service or appliance. They are following the right steps, and there is nothing to be improved. Feature-wise, I'm really satisfied with the new release, and the features they have added. For now, it's fine.
AnvarSadique - PeerSpot reviewer
Easy setup and effective traffic routing enhance security
In terms of improvements, I think the price could be a concern as Azure ( /products/microsoft-azure-reviews ) services are often more expensive compared to other firewalls. However, the functional aspects of Azure Firewall met our needs. While I found the interface not particularly user-friendly, this is a common issue across vendors.
ShanavasVK - PeerSpot reviewer
Helps maintain a consistent posture of internet security while getting rid of VPN and hovering into zero trust
There could be a better way for the tool to categorize the traffic. For example, the tool does exceptions and everything overall. If I want to give guest access or provide access to guest users or any other internet access and if it does not go through the SSL inspection because, in our company, we can't have the root certificate on a device that we don't manage, which can be called out as an exception or an exclusion, but that doesn't provide a proper reflection of the picture of what is happening in the environment. There are granularities bringing it down. The tool I used or still have is Zscaler Cloud Connector to protect the cloud environment, which can have a bit more user-friendly installation and setup, and it would help a lot. The deployment process of Zscaler Cloud Connector needs to be more user-friendly. Improvements are required in the exception category. For example, suppose I report on a monthly basis what the breaches and traffic violating the SSL inspection area are coming from. In that case, I may find that half of them may be coming through some guest network, meaning the tool doesn't differentiate between the guest or normal networks or the corporate networks. Having options to differentiate different networks would be ideal so that it can show a true picture of things to users, as half of the things in the tool are not in our control and are not of our concern.

Quotes from Members

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

Pros

"One of the valuable features is a standardized OS."
"There is a tool called FSSO, which is a single sign-on user ID agent that works perfectly."
"The most valuable features of Fortinet FortiGate are remote access, web filtering, and IPS."
"The ability to set up remote systems is the most valuable feature."
"It is useful for protecting and segregating the internal networks from the internet. Most of our customers also use the FortiGate client to connect to their offices by using the VPN client, and of course, they usually activate the antivirus, deep inspection, and intrusion prevention services. They are also using it for web filtering and implementing various policies dealing with forwardings, NAT, etc."
"Fortigate's most valuable feature is that it doesn't need a push policy when writing rules."
"Its stability is the most valuable."
"The product offers very good security."
"The firewall policy control, URL content control, and antivirus are all the most valuable aspects. Threat prevention is as well quite good."
"It's auto-scalable, which is a great feature."
"Performance and stability are the key features of this product."
"One of the notable advantages of Azure Firewall is its user-friendly interface, which closely resembles or shares similarities with other Azure components."
"Microsoft's technical support is very good. They're quite knowledgable and responsive."
"With Azure products, customer support is really good."
"I can easily configure it."
"I find the solution to be very stable, and would rate it a ten out of ten in terms of stability."
"The initial setup is very straightforward."
"The initial setup was straightforward. The biggest thing for us was to build our own policies. The deployment itself was only a few hours."
"The VPN is valuable, as the whole technology is very different from a traditional VPN."
"The solution replaces multiple vendor technologies with one which makes it worth the cost."
"One feature that is valuable to me from an implementation point of view is that it's very easy to implement."
"Zscaler Internet Access is less expensive than competitors like Palo Alto, offering a premium service justified by security enhancements and cost-effective scalability."
"Stability-wise, I rate the solution a nine and a half out of ten...The setup phase was easy."
"We use ZIA for outbound internet connectivity. The internet traffic of on-prem users will be directed to the ZIA cloud for security checks and web filtering."
 

Cons

"It could use more templates for third-party site-to-site VPN setups other than FortiGate and Cisco."
"FortiOS is not simple."
"Some of the software stability could improve."
"The graphical user interface of Fortinet's FortiGate product does not function well with text-based interfaces."
"Fortinet technical support is lacking, as OEM support is slightly better. Improvement in their technical support could include response time as well as having more technically sound people in tech support."
"The process of configuring firewall rules appears excessively complex."
"Fortinet FortiGate should improve the VPN tokens."
"The inability to scale the FortiAnalyzer to match our growth necessitates the purchase of new hardware."
"In terms of improvements, I think the price could be a concern as Azure services are often more expensive compared to other firewalls."
"The solution lacks artificial intelligence and machine learning. It might be in the roadmap. However, currently, it's not available."
"Azure Firewall definitely needs a broader feature base. It should be able to go all the way up to layer 7 when looking at applications and things like that."
"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."
"There is room for further integration of AI into the system."
"For larger enterprises, they need to adjust the scalability."
"It is a cloud service, but the lending speed for each region is not always the same. For example, in China, the speed is slow. They need to think about how to make sure that the service pace or speed is always the same in all regions. It would be a great improvement if they can provide the same pace worldwide."
"Maybe one of the things in the tool where improvements are needed as there are some shortcomings consist of Azure Firewall Manager."
"In terms of usage, here in the GCC, it's still growing a growing market, so the combination of DLP, data leak prevention, to a certain extent is fine. But what it requires is user-based access or role-based access. The solution needs to grow into that, which definitely takes time. There's not an easy way to integrate it, when you have a cloud-based solution."
"The OS capabilities and WSL support could be improved."
"Technical support could be better."
"Zscaler Internet Access can improve by adding traffic filtering based on the DNS."
"​When you have appliances, SSL inspection is always a headache due to poor performance and/or lack of ciphers implemented. ​"
"I would like to see the ability to choose a pool of IPs for my company, set up rules based on them, and know that those IPs are not used by other companies."
"Currently, the solution's interface is not that user-friendly."
"Zscaler needs to add client-to-client communication. It's always client-to-server communication. The cloud and branch connectors could be improved because we're still dependent on traditional firewalls. They should eliminate this. They should also provide WAN devices should to compete with the SD-WAN solutions also."
 

Pricing and Cost Advice

"The beauty is the price performance ratio is great with FortiGate. It provides all the features we needed and the price is comparable with others' firewalls. The price is quite competitive with the firewalls with similar features."
"Fortinet FortiGate's price can be reduced."
"By default, they give SD-WAN along with the firewall. They don't have separate licensing for the SD-WAN functionality. However, they have security licenses that are sold separately on a subscription basis. Customers can consume these security features to protect their users from internet traffic."
"It's expensive, but compared to the competition it's okay."
"Fortinet FortiGate gives you most of the features in one license."
"​We saved a bundle by not needing all the past appliances from an NGFW.​"
"Its pricing is good. The advantages of Fortinet FortiGate over its competitors include good pricing and meeting our requirements at a lower cost."
"The pricing of the solution is very competitive."
"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."
"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."
"The total cost of ownership is much less than Palo Alto, Cisco, or any other brand."
"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."
"Azure Firewall is quite an expensive product."
"The solution is cheaper than other brands. My company has an enterprise contract and we finally got a good price with Azure."
"Azure Firewalls operate on a pay-as-you-go model, similar to cloud services."
"I rate the product pricing a five out of ten."
"There are multiple bundles: enterprise, business, and transformation. Transformation includes all the features, but recently I've seen a few more line items that are additional costs. Overall, it's expensive."
"If we need any extra features, the price will increase."
"Because it's a cloud solution, we pay on a yearly basis. It is affordable and includes tech support and all features."
"The price is competitive. It's not cheap and it's not expensive."
"ZIA follows a subscription model pricing and charges you based on the number of users. I would say its price is good."
"Licenses are available on a per-host basis. Some features like sandboxing require an additional fee, but most standard features are included in the license."
"The pricing is fair based on its competitive market."
"Zscaler is an expensive solution, but it's worth the price. Their services are unmatched by competitors. Some may come with half the features that Zscaler can offer and be much cheaper. However, they do not have the global coverage that Zscaler has, and they will not provide the same low latencies and the same speeds that Zscaler can."
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Top Industries

By visitors reading reviews
Educational Organization
20%
Computer Software Company
14%
Comms Service Provider
7%
Manufacturing Company
6%
Computer Software Company
16%
Government
10%
Financial Services Firm
10%
Manufacturing Company
7%
Educational Organization
20%
Computer Software Company
14%
Financial Services Firm
9%
Manufacturing Company
9%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
 

Questions from the Community

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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 ...
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...
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...
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...
Which is the better security solution - Cisco Umbrella or Zscaler?
Cisco Umbrella and Zscaler Internet Access are two broad-spectrum Internet security solutions that I have tried. Zs...
Which is better, Zscaler internet access or Netsckope CASB?
We researched Netskope but ultimately chose Zscaler. Netskope is a cloud access security broker that helps identify ...
 

Also Known As

FortiGate 60b, FortiGate 60c, FortiGate 80c, FortiGate 50b, FortiGate 200b, FortiGate 110c, FortiGate, Fortinet Firewall
No data available
ZIA
 

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
Information Not Available
Ulster-Greene ARC, BanRegio, HDFC, Ralcorp Holdings Inc., British American Tobacco, Med America Billing Services Inc., Lanco Group, Aquafil, Telefonica, Swisscom, Brigade Group
Find out what your peers are saying about Netgate, Fortinet, OPNsense and others in Firewalls. Updated: April 2025.
850,236 professionals have used our research since 2012.