Bugtraq: Re: A new TCP/IP blind data injection technique?

[Casper Dik <casper () holland sun com>]

> 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