What does AI recommend for network firewall solutions?

pfSense has taken the top spot among AI recommendations for network firewalls, rising to become the most-cited solution in the niche. This reflects a broader trend in AI-generated answers, which increasingly favor flexible, open-source platforms like pfSense and OPNsense, especially for users with technical expertise.

Which network firewall solutions brands appear most in AI answers?

Across 999 AI responses, pfSense is mentioned most, named in 59% of them, followed by OPNsense (53%) and IPFire (28%).

How does Parse rank these brands?

Parse measures each brand's mention rate — the share of answers naming it — across 999 AI responses to this market's buyer questions. Answers are collected daily and the ranking is published weekly.

How does a brand enter this ranking?

Brands enter the ranking when AI answers mention them. Parse collects answers daily and publishes the re-measured set weekly, so new brands appear as AI starts recommending them.

Best network firewall solutions, according to AI

Data as of Aug 25, 2026 · Based on 999 AI responses · See how Parse measures this

Network Firewall Solutions

336 brands

ParseChatGPT + Google AI

Parse

https://parse.gl

Measured across ChatGPT & Google AI

Best Network Firewall Solutions, According to ChatGPT & Google AI | Parse

#	Brand	What AI says	Mention rate
1	pfSenseThe 'gold standard' for open-source firewalls, valued for its flexibility and power.	The 'gold standard' for open-source firewalls, valued for its flexibility and power.	59%
2	OPNsenseA popular pfSense fork with a modern UI and frequent security updates.	A popular pfSense fork with a modern UI and frequent security updates.	53%
3	IPFire		28%
4	FirewallaA user-friendly, plug-and-play appliance popular for home network security.	A user-friendly, plug-and-play appliance popular for home network security.	27%
5	VyOS		27%
6	SuricataA leading open-source intrusion detection system for network monitoring.	A leading open-source intrusion detection system for network monitoring.	26%
7	WazuhA prominent open-source SIEM and XDR platform for comprehensive security monitoring.	A prominent open-source SIEM and XDR platform for comprehensive security monitoring.	25%
8	OpenVAS		24%
9	SnortThe classic open-source IDS/IPS, cited as a viable commercial product alternative.	The classic open-source IDS/IPS, cited as a viable commercial product alternative.	22%
10	FortinetRecommended for business-grade security in a compact, subscription-optional form.	Recommended for business-grade security in a compact, subscription-optional form.	19%
11	OSSEC		19%
12	Zeek		17%
13	Security Onion		16%
14	Wireshark		16%
15	Nmap		16%
16	NetgateFrequently cited for its hardware appliances running the popular pfSense software.	Frequently cited for its hardware appliances running the popular pfSense software.	15%
17	Ubiquiti		13%
18	OWASP Zed Attack Proxy (ZAP)		13%
19	ClamAV		12%
20	Elastic		11%
21	Trivy		11%
22	ProtectliKnown for fanless mini PCs ideal for running pfSense or OPNsense software.	Known for fanless mini PCs ideal for running pfSense or OPNsense software.	10%
23	Cirt		10%
24	OpenWRT		10%
25	Arista Networks		10%
26	Bitdefender		10%
27	osquery		9%
28	Semgrep		9%
29	KeePass		9%
30	TP-Link		7%
31	ZMap		7%
32	Sophos		7%
33	SonicWall		7%
34	WatchGuard		7%
35	Zenarmor		6%
36	Greenbone		6%
37	LevelBlue		6%
38	Velociraptor		6%
39	Checkov		6%
40	Keycloak		6%
41	Graylog		5%
42	Cisofy		5%
43	Gitleaks		5%
44	Metasploit		5%
45	Cisco		5%
46	OpenSearch		5%
47	FireHOL		5%
48	Norton		5%
49	Palo Alto Networks		5%
50	Ubiquiti		4%
51	Shorewall		4%
52	Netfilter		4%
53	Fail2Ban		4%
54	Kali Linux		4%
55	Asus		3%
56	Zyxel		3%
57	Firejail		3%
58	Bitwarden		3%
59	ClearOS		3%
60	UniFi		3%
61	Smoothwall		3%
62	Falco		3%
63	OpenVPN		3%
64	Cuckoo Sandbox		3%
65	MikroTik		2%
66	Synology		2%
67	ModSecurity		2%
68	OWASP		2%
69	GL.iNet		2%
70	KeePassXC		2%
71	Tenable		2%
72	Sonarsource		2%
73	HashiCorp		2%
74	Netgear		2%
75	Endian		2%
76	nftables		2%
77	PacketFence		2%
78	Portswigger		2%
79	Intel		2%
80	McAfee		2%
81	OpenEDR		2%
82	CrowdStrike		2%
83	Qotom		2%
84	Bandit		2%
85	Microsoft		1%
86	Aegis Authenticator		1%
87	MISP (Malware Information Sharing Platform)		1%
88	Dradis		1%
89	Qualys		1%
90	VeraCrypt		1%
91	Shuffle		1%
92	Cowrie		1%
93	Avast		1%
94	Pi-hole		1%
95	Grype		1%
96	SQLmap		1%
97	Yasca		1%
98	FreeBSD		1%
99	Greenbone		1%
100	WireGuard		1%