Andre Oppermann andre at
Sat Oct 2 21:15:49 UTC 2010

On 02.10.2010 11:47, Jordi Espasa Clofent wrote:
> Hi all,
> I've read this interesting article:
> The question is simple
> ¿Is there some way in FreeBSD to randomize the TCP timestamps as OpenBSD does by default? I guess
> some sysctl statement should do it, but I don't know.

The timestamps on FreeBSD for passive open are randomized as
long as you use SYN cookies (enabled by default).  For passive
open they are not (yet) randomized.


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