Stateful packet inspection and stateful packet filtering capable firewalls listing

Stateful Packet Inspection (SPI) description is available at fwglossary
Stateful Packet Filtering (SPF) description is available at fwglossary

 Look 'n' Stop - Personal Firewall Look 'n' Stop - Personal Firewall (v2.06p2) - Released on Decemeber 14th 2007

SPF engine type: basic SPF (limited connection state tracking/enforcing, No illegal tcpFlags checking)
Stateful-like over Connectionless IP Protocols: ... UDP, ICMP
DHCP, DNS stateful protocol analysis: DHCP and DNS capable
ARP packets' inspection: Block Gratuitous ARP (or block in an event of ARP conflicts)
SPI Application-layer supported protocols: None
         CHX-I - Packet filtering firewall (v3.0beta) - Released in 2006 ... No longer supported

SPF engine type: advanced SPF (Connection state tracking/enforcing, Sequence/Acknowledge/illegal tcpFlags checking)
Stateful-like over Connectionless IP Protocols:  UDP, ICMP
DHCP, DNS stateful protocol analysis: None
ARP packets' inspection: Block Gratuitous ARP
SPI Application-layer supported protocols: FTP only
         8-Signs - Packet-filtering firewall (v3.0.37) - Released on May 27 2008

SPF engine type: advanced SPF (connection state tracking/enforcing, Sequence/illegal tcpFlags checking)
Stateful-like over Connectionless IP Protocols: None
DHCP, DNS stateful protocol analysis: None
ARP packets' inspection: None
SPI Application-layer supported protocols: None
Comodo - Personal Firewall Comodo - Personal Firewall PRO (v3.0.25.378) - Released on June 3rd 2008

SPF engine type: ? SPF (packet checksum checking)
Stateful-like over Connectionless IP Protocols: UDP
DHCP, DNS stateful protocol analysis: DHCP Only
ARP packets' inspection: Block Gratuitous ARP
SPI Application-layer supported protocols: FTP?
         Jetico - Personal Firewall (v.2.0.2.3) - Released on May 26 2008

SPF engine type: basic SPF
Stateful-like over Connectionless IP Protocols: UDP Only
DHCP, DNS stateful protocol analysis: None
ARP packets' inspection: Block ARP conflicts - Gratuitous ARP
SPI Application-layer supported protocols: None
         PC Tools Firewall Plus (v3.0.1.14) - Released on April 8th 2008

SPF engine type: basic SPF (limited connection state tracking/enforcing, No illegal tcpFlags checking)
Stateful-like over Connectionless IP Protocols: None
DHCP, DNS stateful protocol analysis: None
ARP packets' inspection: None
SPI Application-layer supported protocols: None
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Work in progress...
Page last updated: Wednesday, June 18 2008