Maintained by: NLnet Labs

[Unbound-users] unbound does not use "outgoing-interface" for IPv6 TCP requests

sthaug at
Sun Oct 10 18:43:35 CEST 2010

> > In the interest of prevention of feature bloat, I would like to ask,
> > apart from thanking you for reporting the oddity, if such code is really
> > necessary?
> If you're multi-homed and the uplinks are semantically different,
> being able to set the source IP address is basically a requirement for
> correct operation.

Agreed. Simply letting the OS choose the address based on destination/
outgoing interface is *not* enough for a name server.

Look at what for instance BIND is doing. And CNS. And several others.

Steinar Haug, Nethelp consulting, sthaug at