No more typing reviews! Try our Samantha, our new voice AI agent.

Hillstone E-Series vs OpenVPN Access Server comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Mar 15, 2026

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

Hillstone E-Series
Ranking in Enterprise Infrastructure VPN
22nd
Average Rating
9.0
Reviews Sentiment
7.7
Number of Reviews
10
Ranking in other categories
Firewalls (38th), SSL VPN (10th)
OpenVPN Access Server
Ranking in Enterprise Infrastructure VPN
1st
Average Rating
8.4
Reviews Sentiment
6.6
Number of Reviews
57
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of May 2026, in the Enterprise Infrastructure VPN category, the mindshare of Hillstone E-Series is 1.8%, up from 0.5% compared to the previous year. The mindshare of OpenVPN Access Server is 12.2%, down from 13.6% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Enterprise Infrastructure VPN Mindshare Distribution
ProductMindshare (%)
OpenVPN Access Server12.2%
Hillstone E-Series1.8%
Other86.0%
Enterprise Infrastructure VPN
 

Featured Reviews

TahirMahmood - PeerSpot reviewer
IT Manager at Zubair Feeds
Offers good features like URL filtering, IPS, and IDS to users
We received an update for the tool in July. The update was provided for the tool as there was a problem with the firewall, where too much memory was consumed, and the firewall was hanging a lot. When we updated the tool's features, everything became okay. The tool only had some memory-related problems. It took the tool a month to fix the issues.
Fedir Plotnikov - PeerSpot reviewer
Senior Cloud Infrastructure Engineer at Globant
User management has simplified internal VPN access and now provides clear visibility and control
I do not use any role defining features because it is a really small organization, so it wasn't required, but it is there if needed. I have seen OpenVPN Access Server integrations such as LDAP, RADIUS, PAM, and SAML, but again, due to the size of the company, it wasn't necessary and we didn't have it inside the company. However, it was nice that it is already embedded inside. We haven't used much in terms of integrations with OpenVPN Access Server, so it's hard to say. We only used basic features there. My advice for others looking to implement OpenVPN Access Server is that it is at least worth trying if you need a fast and easy implementation solution without technical overhead and you just need VPN access, which is supported by all operating systems and mobile operating system vendors. It is definitely worth a try. OpenVPN Access Server was purchased directly from the website, not on the AWS marketplace or through a partner purchase. I would rate this product an overall eight out of ten.

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 the Hillstone E-Series are its hardware capacity, innovation, and the throughput that the hardware can take."
"Working with the Hillstone E-Series has, from a remote perspective, allowed me to give my clients secure connectivity from a remote location to their offices or their servers."
"The installation is easy, we have not had any complaints from our customers."
"The initial setup was straightforward. It only took a few hours to deploy."
"This solution has two main features that we find very valuable; a threat-intelligence option, and a web/application filtering option. The technical support team are very good and very quick."
"The most valuable feature of the solution is the ransomware protection that the tool offers."
"Five out of five ROI."
"Working with the Hillstone E-Series has, from a remote perspective, allowed me to give my clients a secure connectivity."
"The most valuable features of the OpenVPN Access Server are the ease of use and integration with different platforms, such as Android and Windows, and I can use the solution on my desktop and mobile devices while it remains secure."
"There is support for multi-factor authentication."
"It can scale well."
"OpenVPN Access Server has positively impacted my organization by allowing access to our private services, enhancing security, and enabling remote work from anywhere, as I just need to connect to the VPN to have encrypted traffic to our private resources."
"The most valuable feature is that I can access my local network remotely and avoid doing all the port forwarding and redirections, and so on."
"The most valuable features of the OpenVPN Access Server are the ease of use and integration with different platforms, such as Android and Windows. I can use the solution on my desktop and mobile devices. Additionally, the solution is secure."
"The product has strong encryption and scalability features. It provides security for private network connections."
"I have found the stability to be good."
 

Cons

"The room for improvement would be the SSL VPN license cost."
"I am not sure if this solution offers active directory integration. Adding that feature will definitely be an advantage."
"The current usage reporting is very basic."
"Having frequent live webinars on a monthly basis would really help."
"Support from Hillstone E-Series has a shortcoming that needs improvement."
"The current usage reporting is very basic. I would like to be able to access more granular data."
"The tool only had some memory-related problems."
"SSL VPN license cost is not cheap."
"There could be an easier way to set up the solution."
"Working on a faster connection might be a good idea for the product's next release."
"The server configuration file needs to be improved, it's the biggest problem in the configuration process."
"OpenVPN does not have the ability to selectively terminate connections."
"I want the tool to be faster. We have experienced connectivity issues while using OpenVPN and FortiClient."
"It could be faster. It could also be more stable."
"The solution can be more compatible with different operating systems."
"The upgrade path from older versions was more difficult than we wanted to tackle, so we ran an older version of the software for longer than I wanted. Patching, updating, and migrating to newer versions was a problem for us. That said, we were on a rather old version that I inherited yet it worked rock solid."
 

Pricing and Cost Advice

"Hillstone's pricing is economical and neither very high nor very low."
"The licensing model is very complex with many subcategories of licenses you can purchase. They could make it more simplified for customers to understand."
"The tool's pricing is reasonable. It depends on the model. The product's pricing is around 600 USD. You need to buy a software license to activate the features. You need to pay around 150 USD for that."
"The cost per year for licensing, and hardware, is approximately $850 for the basic plan."
"Begin with the community version and upgrade to paid one if the need arises."
"The solution was free of charge."
"It is an open-source solution, so we don't pay for anything."
"OpenVPN is an open-source solution. If the solution is used for personal use it is free. For non-personal use, the solution can be expensive."
"OpenVPN Access Server is free and open source."
"Open VPN Access Server is open-source and free of charge."
"The Pro Edition has a reasonable price per user."
"I would say the product's pricing is a good value. I would recommend to other companies to implement it. I've seen other software, in tandem with the service, to be very expensive."
report
Use our free recommendation engine to learn which Enterprise Infrastructure VPN solutions are best for your needs.
895,990 professionals have used our research since 2012.
 

Top Industries

By visitors reading reviews
Comms Service Provider
13%
Construction Company
12%
Financial Services Firm
10%
Manufacturing Company
8%
Comms Service Provider
11%
Computer Software Company
11%
Financial Services Firm
8%
University
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business9
Midsize Enterprise1
By reviewers
Company SizeCount
Small Business36
Midsize Enterprise8
Large Enterprise16
 

Questions from the Community

What needs improvement with Hillstone E-Series?
We received an update for the tool in July. The update was provided for the tool as there was a problem with the firewall, where too much memory was consumed, and the firewall was hanging a lot. Wh...
What is your primary use case for Hillstone E-Series?
I use the solution in my company for site-to-site VPN, SSL VPNs, URL filtering, IPS, IDS and all the other features which are available in the firewall.
What advice do you have for others considering Hillstone E-Series?
Our company did not use the tool's micro-segmentation features. There were no issues while integrating the tool. I have not used any AI in the tool. I recommend the tool to others. I rate the tool ...
How does Fortinet FortiClient compare with Open VPN Access Server?
Fortinet FortiClient is a feature-rich solution that is easy to use and deploy without sacrificing safety and security. It has a very fast connection rate and has a built-in VPN. With this solution...
What is your experience regarding pricing and costs for OpenVPN Access Server?
Regarding pricing for OpenVPN Access Server, I don't remember all the details exactly, but I believe it is really flexible and even provides something like free trials, so anyone can try it. It was...
What needs improvement with OpenVPN Access Server?
I find that connection speed with OpenVPN Access Server loses in comparison to WireGuard, which is very fast. However, compared to any other solution, they are pretty much the same, and they do not...
 

Also Known As

No data available
OpenVPN
 

Overview

 

Sample Customers

Bank of China Macao, Instituto Tecnológico Bolivariano, Ministry of Labor in San Salvador, FEDCO
Verizon, Amazon, Disney, HP, Microsoft, IBM, Samsung
Find out what your peers are saying about Hillstone E-Series vs. OpenVPN Access Server and other solutions. Updated: April 2026.
895,990 professionals have used our research since 2012.