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OPNsense Reviews

Vendor: OPNsense
4.2 out of 5
Badge Leader
1,238 followers
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Featured OPNsense reviews

OPNsense mindshare

As of June 2025, the mindshare of OPNsense in the Firewalls category stands at 11.3%, down from 17.5% compared to the previous year, according to calculations based on PeerSpot user engagement data.
Firewalls

PeerResearch reports based on OPNsense reviews

TypeTitleDate
CategoryFirewallsJun 11, 2025Download
ProductReviews, tips, and advice from real usersJun 11, 2025Download
ComparisonOPNsense vs Netgate pfSenseJun 11, 2025Download
ComparisonOPNsense vs Fortinet FortiGateJun 11, 2025Download
ComparisonOPNsense vs Sophos XGJun 11, 2025Download
Suggested products
TitleRatingMindshareRecommending
Fortinet FortiGate4.221.4%90%350 interviewsAdd to research
Netgate pfSense4.312.7%93%217 interviewsAdd to research
 
 
Key learnings from peers

Valuable Features

Room for Improvement

ROI

Pricing

Popular Use Cases

Service and Support

Deployment

Scalability

Stability

Review data by company size

By reviewers
By visitors reading reviews

Top industries

By visitors reading reviews
Computer Software Company
16%
Comms Service Provider
14%
Government
7%
Educational Organization
6%
University
6%
Manufacturing Company
5%
Financial Services Firm
5%
Media Company
4%
Retailer
4%
Hospitality Company
4%
Healthcare Company
4%
Non Profit
3%
Energy/Utilities Company
3%
Construction Company
3%
Real Estate/Law Firm
2%
Outsourcing Company
2%
Insurance Company
2%
Wholesaler/Distributor
1%
Legal Firm
1%
Transportation Company
1%
Recreational Facilities/Services Company
1%
Performing Arts
1%
Pharma/Biotech Company
1%
Consumer Goods Company
1%

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OPNsense reviews

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SZ
Senior Client Solutions Architect at a tech services company with 1,001-5,000 employees
Verified user of OPNsense
Apr 29, 2025
Offers seamless deployment and feature-rich experience with deep packet inspection

Pros

"Overall, I would rate OPNsense as nine out of ten."
PeerSpot user
Senior Network Engineer at a comms service provider with 11-50 employees
Verified user of OPNsense
Nov 26, 2024
Enhancing network security with reliable firewall functionality and GeoIP features

Pros

"OPNsense is very stable, easy to upgrade, and maintain."

Cons

"OPNsense struggles to handle large volumes of voice traffic, indicating scalability issues in that specific use case."
Find out what your peers are saying about OPNsense. Updated May 2025
855,752 professionals have used our research since 2012.
CA
Owner at Networks srl
Verified user of OPNsense
Jul 30, 2024
Provides good network intrusion detection and prevention

Pros

"I mostly rely on the solution's network intrusion detection and prevention system, along with other systems, CMs, and log management."

Cons

"SD-WAN (software-defined wide area network) is integrated into some restricted service providers for OPNSense."
Akram Zaki Hussein - PeerSpot user
System and Network Administrator at El Sadat City Language School
Verified user of OPNsense
Nov 16, 2023
Robust network security and management offering a user-friendly interface, open-source flexibility, and cost-effectiveness, with challenges regarding initial setup and the absence of official support

Pros

"The DNS-level filtering is impressive for thwarting time scanners."

Cons

"Given that OPNsense plays a pivotal role as a firewall, safeguarding against various threats, having a reliable backup ensures uninterrupted protection even if unforeseen events impact the primary virtual machine."
RicardoDias - PeerSpot user
Network and Programming Specialist at Twentytwo Integration
Verified user of OPNsense
Jun 13, 2024
A FreeBSD system that has a nice library of add-ons

Pros

"The tool's integration is more like a button press. "

Cons

"pfSense has better performance and quicker updates. "
PM
IT Manager at Pride in Azure
Verified user of OPNsense
Nov 30, 2023
Reliable and secure solution with community edition best-suited for small businesses and home networks

Pros

"The most valuable feature is the Dual WAN in OPNSense, which offers advanced capabilities."

Cons

"I would like better documentation concerning the provided packages and their integration."
Eddy Ramirez - PeerSpot user
IT Security Director at a financial services firm with 1,001-5,000 employees
Verified user of OPNsense
Mar 22, 2023
Good interface and firewall capabilities and overall easy to use

Pros

"The solution has high availability. "

Cons

"The reporting part could be better. "
WS
IT Infrastructure and Enterprise Systems Director at Orascom Investment Holding
Verified user of OPNsense
Aug 6, 2023
Provides network checking, firewall, and web filtering capabilities

Pros

" One of the most valuable features is the network checking. Additionally, the firewall and web filtering functionalities are highly useful."

Cons

"There are some add-ons that need enhancements to make management easier for users, especially the reporting features. Some reports don't show the level of detail I'm looking for, and I've had trouble installing certain add-ons, especially for Internet bandwidth shaping within my company."