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> But you can also be notified about interface changes via a netlink
> socket, so you can cache the interface information.
>
See my reply to Petr: there is an option for that but it's not the
default for historical reasons.
Cheers,
Simon.
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On 22/02/17 21:52, Petr Menšík wrote:
> I would suggest a new option then. For example
> --bind-interfaces-exact. It would listen just like
> --bind-interfaces, but would allow you to listen only on virbr0,
> when ignoring any addresses with
On Mi, 2017-02-22 at 20:51 +, Simon Kelley wrote:
> > You can get the destination address for datagrams from the
> > IP_PTKINFO auxiliary data:
> >
> > man 7 ip IP_PKTINFO (since Linux 2.2) Pass an IP_PKTINFO ancillary
> > message that contains a pktinfo structure that supplies some
> >
