> Am 20.08.2018 um 16:59 schrieb Bjoern A. Zeeb > <bzeeb-li...@lists.zabbadoz.net>: > > On 20 Aug 2018, at 14:47, Stefan Bethke wrote: > >> I have a Go program (acme-dns) that wants to bind 53, 80, and 443, and I’d >> rather have it run as a non-privileged user. The program doesn’t provide a >> facility to drop privs after binding the ports. I’m planning to run it in a >> jail. >> >> After some googling, it appears that a couple of years ago I should have >> been able to do: >> sysctl net.inet.ip.portrange.reservedhigh=0 >> and allow all processes to bind to „low“ ports. This does not work in my >> jails on a 11-stable host. >> >> $ sudo sysctl net.inet.ip.portrange.reservedhigh=0 >> net.inet.ip.portrange.reservedhigh: 1023 >> sysctl: net.inet.ip.portrange.reservedhigh=0: Operation not permitted >> >> Securelevel should not interfere: >> $ sysctl kern.securelevel >> kern.securelevel: -1 >> >> Is there a way to allow regular processes to bind to low ports? > > you have to set it on the base system; alternatively with vnet you might be > able to change it per-jail.
Do you feel it’s OK to enable VIMAGE in -stable? When I tried last in 2016, I had stability issues, I think related to pf. Stefan -- Stefan Bethke <s...@lassitu.de> Fon +49 151 14070811 _______________________________________________ freebsd-stable@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "freebsd-stable-unsubscr...@freebsd.org"
