Comparison of firewalls
Features : Configuration : GUI , text or both modes ? Remote Access : Web ( HTTP ) , Telnet , SSH , RDP , Serial COM RS232 , Change rules without requiring restart ? Ability to centrally manage all firewalls together
Untangle both SSH ( Not enabled by default ) , Web GUI , Yes Yes
WinGate GUI Proprietary user interface Yes N/A
ClearOS both RS232 , SSH , WebConfig , Yes Yes with ClearDNS
Zeroshell GUI SSH , Web ( HTTPS ) , RS232 Yes No
pfSense both SSH , Web ( HTTP/HTTPS ) , RS232 Yes No
IPFire both SSH , Web ( HTTPS ) , RS232 Yes No
Firewall rule-set advanced features comparison
Can : work at OSI Layer 4 ( stateful firewall ) work at OSI Layer 7 ( application inspection ) Change TTL ? ( Transparent to traceroute ) Configure REJECT-with answer DMZ ( de-militarized zone ) - allows for single/several hosts not to be firewalled . Filter according to time of day Redirect TCP/UDP ports ( port forwarding ) Redirect IP addresses ( forwarding ) Filter according to User Authorization Traffic rate-limit / QoS Tarpit Log Sidewinder Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Untangle Yes Yes ( Some modules ) No No Yes Yes ( With Policy manager ) Yes Yes Yes Yes Yes Yes WinGate Yes Yes Yes No Yes Yes Yes No Yes Yes No Yes Zeroshell Yes Yes No Yes Yes Yes Yes Yes Yes Yes No Yes pfSense Yes Yes No Yes Yes Yes Yes Yes Yes Yes No Yes IPFire Yes Yes ? No Yes Yes Yes Yes ? Yes No Yes
The following is a comparison of notable firewalls, starting from simple home firewalls up to the most sophisticated Enterprise-level firewalls.