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Re: [NSE][patch] targets-sniffer: sniff IPv6 addresses, fix newtargets for -6
From: David Fifield <david () bamsoftware com>
Date: Tue, 17 Apr 2012 14:50:46 -0700

On Fri, Mar 09, 2012 at 12:31:32PM -0600, Daniel Miller wrote:
On 03/09/2012 11:49 AM, Daniel Miller wrote:
List,

Here's a patch to add IPv6 address sniffing to targets-sniffer.
The major difference is changing the BPF from "ip" to "ip or ip6".
I had to add a couple checks for NDP multicast addresses to
check_if_valid, and I may have missed some other invalid IPv6
addresses.

Attaching updated patch. I was correct in thinking I missed some
addresses: All IPv6 addresses starting with 'FF' are multicast, so I
now test for that instead.

Thanks Daniel, I committed your changes.

As for checking for an IPv6 multicast address, I think your check fails
for an address that starts ff1:, for example. (Because that is really
0ff1.) Could you try using host.bin_ip instead?

David Fifield
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