Re: NFS packet blocking (Was Mouse EXPLOIT info...)

[avalon () coombs anu edu au (Darren Reed)]

[...]
> if you want the reply.. UDP doesn't have an IP_OPTIONS, thus doesn't support
> source routing.)

*cough*

IP_OPTIONS...they're options for IP which includes TCP, UDP, etc.

Any packet which is using source routing has an IP header > 20 bytes.

Look for IP options straight after the usual IP header and right before
the UDP header, coming soon to a network near you! :)

darren

p.s. in the early days of multicast, it was done with source routing and
     many a router had a heart attack :-)