> On FreeBSD -CURRENT and -STABLE, packets to broadcast addresses are not
> forwarded. For instance, if I have a FreeBSD router with interfaces
I think it is correct NOT to forward local or subnet broadcasts --
it would be evil to let let an external node flood a subnet
with broadcast traffic.
Plus, a node has no good way (other than guessing) to know what
netmask is used on an external subnet.
cheers
luigi
> 192.168.1.1 and 192.168.2.1, and I send packets from 192.168.1.2 to
> 192.168.2.255, the packets are dropped to the floor. IMO, this is wrong...
> but I haven't consulted all the RFC's so I'm not sure if some standard out
> there calls for it. In any case, the following patch creates a sysctl knob
> to turn on or off this feature (since it can be considered a security risk
> by some). I just want to ask around in case I turned out to be doing
> something incredibly evil. Comments?
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