probes on udp port 500

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On Wed, 2005-08-03 at 00:32 +0200, Alexander Dalloz wrote:
> Am Di, den 02.08.2005 schrieb Aleksandar Milivojevic um 23:06:
> 
> > Last couple of days some of my hosts were probed for UDP port 500 (IKE daemon,
> > used by IPSec for key exchange) from dialup IPs.  Don't remember seeing similar
> > probes before.  Some new vaulnerability that script kiddies (and pro crackers)
> > are trying out, or is this some old stuff?  I do remember there were some
> > security problems with racoon in the past (that were fixed in current CentOS
> > ipsec-tools packages), but don't remember reading anywhere there were any
> > automated tools to exploit it floating around.  Or are there some new flaws
> > discovered recently in some IKE implementations?
> 
> ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-05:19.ipsec.asc
> 
> Alexander
> 
What relevance to Centos 4.1 does this have?

Ted


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