PFLOG(4) BSD Kernel Interfaces Manual PFLOG(4)NAMEpflog — packet filter logging interface
SYNOPSIS
pseudo-device pflogDESCRIPTION
The pflog interface is a pseudo-device which makes visible all packets
logged by the packet filter. Logged packets can easily be monitored in
real time by invoking tcpdump(1) on the pflog interface.
Instances of the pflog interface can be created using ifconfig(8).
EXAMPLES
Create a pflog interface and monitor all packets logged on it:
# ifconfig pflog1 create
# tcpdump -n -e -ttt -i pflog1
SEE ALSOinet(4), inet6(4), netintro(4), pf(4), ifconfig(8), tcpdump(1)HISTORY
The pflog device first appeared in OpenBSD 3.0.
BSD June 5, 2024 BSD