full-disclosure - Re: A new TCP/IP blind data injection technique?

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From: casper at holland.sun.com (Casper Dik)
Subject: Re: A new TCP/IP blind data injection technique?

>On Thu, Dec 11, 2003 at 12:28:28AM +0100, Michal Zalewski wrote:
>
>>   2. Random IP ID numbers, a feature of some systems (OpenBSD?), although also
>>      risky (increasing reassembly collission probability), make the attack
>>      more difficult.
>
>FreeBSD also has the option of randomizing the IP ID.

Solaris uses a different IP ID sequence for each system it
communicates with; you'll need to be able to see the packets
go by (in which case TCP splicing is child's play).

Casper