UDP connections from NAT'ed jails
kristof at sigsegv.be
Mon Feb 26 12:58:31 UTC 2018
On 26 Feb 2018, at 18:11, Peter Ludikovsky wrote:
> I'm experimenting with jails in preparation for moving my home server
> from Linux to FreeBSD. I'm doing this from within a VirtualBox VM,
> it's easier to revert to a previous state in case I break something.
> My biggest issue ATM is that my first jail can't resolve any host. TCP
> and ICMP packets pass without issue, but DNS requests time out. I
> checked with tcpdump on both the outside interface of the VM and of
> host, neither show any DNS requests. Both hosts use 18.104.22.168 as the
> server in /etc/resolv.conf.
> Anyone got a pointer on what's going wrong here?
Hmm. That’s interesting. Can you tcpdump on the host to see what’s
going on with your DNS packets?
Also, I’d try to remove the ‘set skip on lo’ pf rule.
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