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Re:FreeBSD Jails Containers by idatum on Tuesday June 27, 2023 @11:57PM (#36502091)
jail.conf:

ssh { exec.start = "/bin/sh /etc/rc"; exec.stop = "/bin/sh /etc/rc.shutdown"; exec.clean; mount.devfs; path = "/var/jail/ssh"; host.hostname = "ssh"; vnet; vnet.interface += "em0"; }

It's IPv6 only, so this is key in rc.conf: rtsold_enable="YES"

OpenBSD PF based router does the rest. IPv6 simplifies things here.

PF on FreeBSD isn't the most ideal, sure, but I can limit local access on inet6.

For SSH tunnel, it's straight forward.

Re:FreeBSD Jails Containers by inferiorhuman on Wednesday June 28, 2023 @01:01AM (#36502505)
FWIW VNET is not inherently IPv6 only. I'm using it in an IPv4 context just fine.