Subject: Re: Broadcast and multi-homed routing condition in TCP/IP stack.
To: Charles M. Hannum <>
From: Andrew Brown <>
List: tech-net
Date: 03/07/2001 14:13:25
>> Some stacks will allow TCP connection to be established to the broadcast
>> address configured on any given interface.
>It's true that this doesn't catch packets that are sent by Ethernet
>unicast to the IP broadcast address.  I'm not sure what the prevailing
>opinion on this is, but we should probably filter such packets.

i'm of the opinion that something somewhere ought to be checking that
the layer two address matches the layer three address in type, ie
unicast, broadcast, multicast, (or anycast).

this however, would probably be decidedly non-trivial, and rather

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