Software:pfsync
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Revision as of 23:16, 24 July 2022 by imported>MedAI (simplify)
Short description: Computer firewall protocol
pfsync is a computer protocol[1][2] used to synchronise firewall states between machines running Packet Filter (PF) for high availability. It is used along with CARP to make sure a backup firewall has the same information as the main firewall. When the main machine in the firewall cluster dies, the backup machine is able to accept current connections without loss.[3][4]
See also
References
- ↑ "/etc/protocols". OpenBSD. http://bxr.su/o/etc/protocols. ""pfsync 240""
- ↑ "/sys/net/if_pfsync.h". OpenBSD. http://bxr.su/o/sys/net/if_pfsync.h.
- ↑ Federico Biancuzzi (2004-04-15). "OpenBSD PF Developer Interview". O'Reilly Media. http://www.onlamp.com/lpt/a/4767.
- ↑ Federico Biancuzzi (2004-05-06). "OpenBSD PF Developer Interview, Part 2". O'Reilly Media. http://www.onlamp.com/lpt/a/4839.
External links
- PF: Firewall Redundancy with CARP and pfsync (OpenBSD PF FAQ)
pfsync(4)man-page in OpenBSD, FreeBSD and NetBSDsys/net/if_pfsync.hin OpenBSDsys/net/if_pfsync.cin OpenBSD
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