[talk] random ip id

Pete Wright pete at nomadlogic.org
Thu Apr 3 18:37:16 EDT 2014

On 04/03/14 13:24, George Rosamond wrote:
> random ip ids...
> I know it's been not just been the default with OpenBSD for a long
> while, but they've also been very polemical about the topic at various
> cons going way way back.
> http://seclists.org/fulldisclosure/2014/Mar/414
> Is this going to be default with FreeBSD at some point?  Only in front
> of 9.x boxes right now, so I don't know if it changed with 10.x or current.
> I vaguely remember someone arguing it was set to 0 by default for some
> compatibility reason....
> fyi: net.inet.ip.random_id=1

i can confirm on 10-RELEASE it is set to "0" by default:

> uname -ar && sysctl net.inet.ip.random_id
FreeBSD pop.rubicorp.com 10.0-RELEASE FreeBSD 10.0-RELEASE #0 r260789:
Thu Jan 16 22:34:59 UTC 2014
root at snap.freebsd.org:/usr/obj/usr/src/sys/GENERIC  amd64
net.inet.ip.random_id: 0


Pete Wright
pete at nomadlogic.org
twitter => @nomadlogicLA

More information about the talk mailing list