multihomed hosts and UDP source address

[Jeremy Jackson]

Hi,

I was reading a debate related to NTPd, multihomed hosts, and Linux UDP
socket source address handling.

I think that Linux's ability to manage source address with a single UDP
socket is great, since adding/removing interfaces and things like DHCP
are easier, however the advocates of the one-socket-per-interface
approach pointed out that if not all interfaces are desired, there is no
way for userspace to return ICMP Port Unreachable.

Is there a solution that lets a single socket "not-bind" to certain
interfaces?

-- 
Jeremy Jackson
Coplanar Networks
(519)489-4903

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