Re: The Big Bug?


MILLS@USC-ISID.ARPA
23 May 1986 11:00:05 EDT


In response to the message sent 22 May 86 16:16 PDT from Perrine@LOGICON.ARPA

Tom,

The ICMP redirect includes a copy of the IP header (plus a few bits) of the
IPgram that was received and forwarded at the gateway. Presumably, the host
receiving such a thing has the opportunity to determine its authenticity using
this information. Granted this doesn't nab all the bogs, especially with
raw-datagram protocols, but it is much better than nothing at all. What this means
is that it's hard to send gratuitous redirects to reasonable implementations
that remember, at least for a little while, the address/route bindings recently
used.

Dave
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