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]
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pfsense HA / High Availability Setup and Testing Using CARP, XMLRPC & pfsync
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Basics of pfSense, CARP, High Availability, pfsync, Virtual IPs, outbound NAT, etc.
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OpenBSD Network Firewall CARP/PFSYNC Setup part 1/3 Introduction
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PFSENSE High Availability Installation #ERKLÄRT #part1 #pfsync #firewall #HA #Linux
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PFSENSE High Availability TESTEN #ERKLÄRT #part1 #pfsync #firewall #HA #Linux
Transcription
See also
References
- ^ "/etc/protocols". BSD Cross Reference. OpenBSD.
pfsync 240
- ^ "/sys/net/if_pfsync.h". BSD Cross Reference. OpenBSD.
- ^ Federico Biancuzzi (2004-04-15). "OpenBSD PF Developer Interview". ONLamp. O'Reilly Media. Archived from the original on 2004-05-08. Retrieved 2019-03-20.
- ^ Federico Biancuzzi (2004-05-06). "OpenBSD PF Developer Interview, Part 2". ONLamp. O'Reilly Media. Archived from the original on 2004-06-19. Retrieved 2019-03-20.
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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This page was last edited on 28 April 2022, at 10:02