fedora 10 avahi & firewall weirdness

Christoph Höger choeger at cs.tu-berlin.de
Fri Nov 14 23:58:53 UTC 2008


> mDNS uses a "push" architecture, not a "pull" architecture. Systems
> broadcast service availability instead of being polled for it. So when
> you query your local mDNS resolver, it checks to see if any services
> have been pushed for a given host/service. A non-firewalled system will
> see all pushes; a firewalled system will see none.

Ok, that explains, why my non firewalled notebook saw all services, but
why did I not see any localhost services? A push from localhgost should
not be firewalled!
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