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Nmap Development: Re: IPv6 scan not correct ?

Re: IPv6 scan not correct ?

From: Fyodor <fyodor_at_insecure.org>
Date: Fri, 7 May 2004 20:18:33 -0700

On Wed, Jun 25, 2003 at 05:05:02PM +0200, Ruediger Rissmann wrote:
>
> I just run nmap against one of my IPv6 routers, and found that every port
> was
> reported to be open. I had a look into the router configureation and
> found that every port is blocked by an acl and that all the packets
> from my nmap scan were discarded. Instead the router send back an ICMPv6
> destination unreachable type 1:
> "communication with destination administratively prohibited" back wich
> seems
> to be not understood correctly by nmap.
>
> I remove the access-list, and nmap reported the correct ports to be open,
> so the problem seems to be only that specific icmpv6 message.
>
> I debugged the problem in scan_engine.cc
> and found that

Sorry it took me so long to respond. I have applied your patch for the
next version of Nmap.

Cheers,
Fyodor

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