When I upgraded to RC4, DNS stopped working - no application was
picking up UDP/53 and I couldn't figure out why.  After much
troubleshooting and some IRC with Scott, we concluded that the culprit
was the dns-server package I had installed a while ago but
deinstalled.  Even after manually uninstalling that and its
dependencies, however, I found that DNS still wasn't starting -
something was bound to TCP/53 and dnsmasq refused tot start.  After
much digging (which would have been greatly shortened had I been aware
of a utility in FreeBSD that provides precisely the same info as
'netstat -taupe' does in Linux), I remembered that I had at one point
configured OpenVPN to listen on port 53 in order to pass through
certain firewalls more easily.

Lesson learned: assume your services all bind to 0.0.0.0 rather than
given interfaces.  It would have certainly saved me several hours of
troubleshooting.


RB

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