pfsync
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 | This article needs additional citations for verification. (May 2016) |
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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
[edit | edit source]References
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External links
[edit | edit source]- 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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