known TCP vulnerability ??

[Garrett Wollman]

<<On Fri, 11 Feb 2005 21:19:16 +0100, Andre Oppermann <oppermann at networx.ch> said:

> "Li, Qing" wrote:
>> Ran the packet tests against FreeBSD 5.3 and 6-CURRENT and both
>> respond to the SYN+FIN packets with SYN+ACK.

> This is expected behaviour because of FreeBSD used to implement T/TCP
> according to RFC1644.

Actually, it is expected behavior because FreeBSD used to implement
TCP according to RFC 793.

-GAWollman