K 10
svn:author
V 2
kp
K 8
svn:date
V 27
2023-01-28T01:41:06.716676Z
K 7
svn:log
V 657
pf tests: test fast port re-use with syncookies

When a src/dst ip/port tuple is re-used before the pf state fully
expires we clean up the state and create a new one, unless syncookies
are enabled.

Test this, by running two back-to-back nc sessions, with a fixed source
port. Move the interface and IP to a different (vnet) jail, to trick the
network stack into letting us do this.

MFC after:      2 weeks
Event:          Aberdeen hackathon 2022
Differential Revision:  https://reviews.freebsd.org/D36886

(cherry picked from commit dc698b2cd59ebc08b05a261dbba8ee5707450d28)

Git Hash:   1279c260c05320854cddead34a52dfcea34576ea
Git Author: kp@FreeBSD.org
END