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I think Snort's primary packet struct has to smoothly incorporate a
notion of encapsulation in order to effectively handle IPv6 and all
the variations of tunneling that can occur with IPv4/v6 networks.
I've got some prototypes of that sort of thing worked up but even
once the decoder supports it, all the code that references IP
addresses (and uses them for hash tables, etc) has to be updated to
account for v6 addresses.
This is definitely on the TODO list, sorry it's taking so long!
-Marty
On Dec 15, 2005, at 4:14 AM, Chas Tomlin wrote:
If you'd like to try out a version of snort with IPv6 support give
this
modified version a go;
http://www.ecs.soton.ac.uk/~cet/snort/snort-2.3.3-IPv6b4.tar.gz
It has been modified by Ken Renard whom you should contact with any
bugs
etc. It would be really nice if the official snort version had IPv6
support sometime soon? What d'ya think Marty???
Thanks
Chas Tomlin
-----Original Message-----
From: snort-users-admin@lists.sourceforge.net [mailto:snort-users-
admin@lists.sourceforge.net] On Behalf Of Dirk Geschke
Sent: 13 December 2005 19:11
To: Caceres; snort-users@lists.sourceforge.net
Subject: Re: [Snort-users] Snort doubt
Hi Caceres,
What the Snort's state of art about IPv6 support?
Can Snort identify IPv6 attacks attempts in the network?
not yet... A long time ago Marty released a beta (or alpha)
version of snort supporting IPv6. But it was more a framework
than an usable system.
The actual version of snort is only IPv4 capable, IPv6 packets
are only counted.
I searched in the Snort.org page and I discovered that IPv6 appears
in
Snort
Static's. I find to, that exists at least 3 rules for IPv6 (ICMP
IPV6
I-Am-Here, ICMP IPV6 I-Am-Here undefined code, ICMP IPV6
Where-Are-You,
ICMP
IPV6 Where-Are-You undefined code) intrusion detection.
This are IPv4 ICMP messages regarding to an original IPv6 packet. So
this works for snort...
Best regards
Dirk
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- --
Martin Roesch - Founder/CTO, Sourcefire Inc. - +1-410-290-1616
Sourcefire - Security for the Real World - http://www.sourcefire.com
Snort: Open Source Network IDS - http://www.snort.org
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