Comments on: Libnet 1.1 IPv6 fixes and additions

By: Victor Julien

Victor Julien — Mon, 16 May 2011 11:10:04 +0000

@klingon here is some example code that may be of use: https://snort-inline.svn.sourceforge.net/svnroot/snort-inline/tags/2.8.3.2/src/reset.c

In general, IPv6 support in libnet is incomplete. For the code on the link above I had to extend libnet. For your purpose you may need to do the same.

Can’t help you with the Windows part, sorry.

By: klingon

klingon — Mon, 16 May 2011 06:54:25 +0000

Hello,

A few days ago I had successfully built a project to send an ICMP echo request – IPv4 using the libnet library (version 1.1.2.1) using Visual Studio 2008. I captured the packets using WireShark.

I now need to send an ICMP echo request in IPv6. But I am facing a few IPv6 support issues in using libnet. I am using the libnet library version 1.1.5. In this library I am not able to find the functionality support for IPv6 .

When creating a packet these were some issues encountered:
1. The ‘libnet_autobuild_ipv6′ is not yet implemented (resolved by using the ‘libnet_build_ipv6′ function)
2. ‘libnet_name2addr6′ function (in the file libnet_resolve.c) seems to have no functionality.
3. There seems to be no function to build an ICMPv6 Header – similar to libnet_build_icmpv4_echo

Any suggestion and help in this regard will be appreciated.

Does there exist any other library similar to libnet to send IPv6 packets while working in windows.

By: anon

anon — Tue, 15 Dec 2009 21:56:19 +0000

You could send your patch to this guy: http://github.com/sam-github/libnet/tree/libnet-1.1.4 ; he seems to have taken ownership of libnet .

By: Victor Julien

Victor Julien — Wed, 22 Apr 2009 15:41:11 +0000

I mailed it to the author but never got a reply, so I guess not

By: funkdaddy

funkdaddy — Wed, 22 Apr 2009 15:12:10 +0000

Thanks much for this! Will this patch make it back into libnet?

By: Inliniac » Blog Archive » Snort_inline updated to 2.8.0.1 in SVN

Inliniac » Blog Archive » Snort_inline updated to 2.8.0.1 in SVN — Wed, 09 Jan 2008 15:41:22 +0000

[...] unreachable packets you will need the libnet 1.1 patch I wrote a while ago. You can find that here. Get the latest Snort_inline by checking out [...]

By: William Metcalf

William Metcalf — Wed, 17 Oct 2007 00:31:30 +0000

I would like to second that thank you to Nitro. Without the support of Nitro and more specifically Dave Remien (great guy btw) snort_inline wouldn’t have things like support for NFQUEUE etc..

Thanx again,

Will