CVE-2014-0160 mitigation using iptables

David Hubbard dhubbard at dino.hostasaurus.com
Thu Apr 10 13:54:54 UTC 2014


He was also proven wrong on the Full Disclosure list but he seems to be
pushing this everywhere he can find an audience for some reason. 

-----Original Message-----
From: Nick Hilliard [mailto:nick at foobar.org] 
Sent: Thursday, April 10, 2014 6:13 AM
To: Fabien Bourdaire; nanog at nanog.org
Subject: Re: CVE-2014-0160 mitigation using iptables

On 09/04/2014 11:07, Fabien Bourdaire wrote:
> Following up on the CVE-2014-0160 vulnerability, heartbleed. We've 
> created some iptables rules to block all heartbeat queries using the 
> very powerful u32 module.

as someone pointed out on the UKNOF mailing list yesterday, you make a
number of assumptions in this ruleset which are not necessarily valid.

Please do not claim that this ruleset blocks all heartbeat queries
because it does not.

Nick








More information about the NANOG mailing list