[nsp] bgp vulnerability?

[Dan Hollis]

On Tue, 20 Apr 2004, Dmitry Volkov wrote:
> Well I was not asking about operational workarounds - like MD5 And RFC 2827,
> etc but rather about vendor's fixes like Checkpoint, IIJ, I'm sure cisco
> will come up soon...

Is there any good technique to guessing the source port, other than brute 
force? It would seem that multiplies the search area an attacker must 
guess. Is such an attack practical in that light?

-Dan