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Neohapsis > Archives > Bugtraq> 1996_4

Bugtraq archives for 4th quarter (Oct-Dec) 1996: Re: Excellent host SYN-attack fix for BSD hosts

Re: Excellent host SYN-attack fix for BSD hosts

Alan Cox (coxacableol.net)
Tue, 15 Oct 1996 09:27:20 +0100

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> | It also breaks TCP's algorithm for
> | recognizing stale data.
>
> how so?

The ISS must always be going forward, and at a suitable rate. If you look
at things like the MD5 secret based secure sequence numbers you will
see that they are monotonically increasing w.r.t. a single IP address

Alan

Next message: James Poland 6-5251: "ftpd bug? Was: bin/1805: Bug in ftpd"
Previous message: Vadim Kolontsov: "another two bugs in ftpd"
In reply to: Jeff Weisberg: "Re: Excellent host SYN-attack fix for BSD hosts"
Next in thread: Darren Reed: "Re: Excellent host SYN-attack fix for BSD hosts"