IETF Logo Mail Archive

RE: Network Scanning

"Brian McGehee" <doc@tavian.com> Fri, 04 April 2008 22:01 UTC

Return-Path: <ipv6-bounces@ietf.org>
X-Original-To: ipv6-archive@megatron.ietf.org
Delivered-To: ietfarch-ipv6-archive@core3.amsl.com
Received: from core3.amsl.com (localhost [127.0.0.1]) by core3.amsl.com (Postfix) with ESMTP id 158153A6854; Fri, 4 Apr 2008 15:01:15 -0700 (PDT)
X-Original-To: ipv6@core3.amsl.com
Delivered-To: ipv6@core3.amsl.com
Received: from localhost (localhost [127.0.0.1]) by core3.amsl.com (Postfix) with ESMTP id 725A73A67F7 for <ipv6@core3.amsl.com>; Fri, 4 Apr 2008 15:01:14 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -1.196
X-Spam-Level:
X-Spam-Status: No, score=-1.196 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, J_CHICKENPOX_42=0.6, MSGID_FROM_MTA_HEADER=0.803]
Received: from mail.ietf.org ([64.170.98.32]) by localhost (core3.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id mTzUssudIg1Z for <ipv6@core3.amsl.com>; Fri, 4 Apr 2008 15:01:13 -0700 (PDT)
Received: from omr12.networksolutionsemail.com (omr12.networksolutionsemail.com [205.178.146.62]) by core3.amsl.com (Postfix) with ESMTP id AB59E3A6849 for <ipv6@ietf.org>; Fri, 4 Apr 2008 15:01:13 -0700 (PDT)
Received: from mail.networksolutionsemail.com (ns-omr12.mgt.hosting.dc2.netsol.com [10.49.6.75]) by omr12.networksolutionsemail.com (8.13.6/8.13.6) with SMTP id m34M1Jec007787 for <ipv6@ietf.org>; Fri, 4 Apr 2008 18:01:19 -0400
Message-Id: <200804042201.m34M1Jec007787@omr12.networksolutionsemail.com>
Received: (qmail 14784 invoked by uid 78); 4 Apr 2008 22:01:19 -0000
Received: from unknown (HELO dochome) (doc@tavian.com@63.64.62.4) by ns-omr12.lb.hosting.dc2.netsol.com with SMTP; 4 Apr 2008 22:01:19 -0000
From: Brian McGehee <doc@tavian.com>
To: 'Jeroen Massar' <jeroen@unfix.org>, 'Prasanna Ram Venkatachalam' <vpram86@gmail.com>
Subject: RE: Network Scanning
Date: Fri, 04 Apr 2008 15:01:16 -0700
MIME-Version: 1.0
X-Mailer: Microsoft Office Outlook, Build 11.0.5510
Thread-Index: AciWniWbJoaIyT0aSSmECKkV+MqP+QAAScYA
In-Reply-To: <47F6A2D0.3040602@spaghetti.zurich.ibm.com>
X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3028
Cc: ipv6@ietf.org
X-BeenThere: ipv6@ietf.org
X-Mailman-Version: 2.1.9
Precedence: list
List-Id: "IPv6 Maintenance Working Group \(6man\)" <ipv6.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/listinfo/ipv6>, <mailto:ipv6-request@ietf.org?subject=unsubscribe>
List-Post: <mailto:ipv6@ietf.org>
List-Help: <mailto:ipv6-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/ipv6>, <mailto:ipv6-request@ietf.org?subject=subscribe>
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
Sender: ipv6-bounces@ietf.org
Errors-To: ipv6-bounces@ietf.org

"ping6 ff02::1

Which should make every single host on a link answer to it."


Answer with it's link-local address, which is probably not the goal.
 

-----Original Message-----
From: ipv6-bounces@ietf.org [mailto:ipv6-bounces@ietf.org] On Behalf Of
Jeroen Massar
Sent: Friday, April 04, 2008 2:51 PM
To: Prasanna Ram Venkatachalam
Cc: ipv6@ietf.org
Subject: Re: Network Scanning

Prasanna Ram Venkatachalam wrote:
> Hi all,
> 
> With the evolving IPv6 which will be a mandate soon(as far as i know), 
> the network discovery is going to be very difficult. Is there any 
> optimized way proposed so far which can be used with IPv6 for network 
> discovery??

ping6 ff02::1

Which should make every single host on a link answer to it.

For the rest, read the excellent paper by Steven M. Bellovin:

http://www.cs.columbia.edu/~smb/papers/v6worms.pdf

Greets,
  Jeroen


--------------------------------------------------------------------
IETF IPv6 working group mailing list
ipv6@ietf.org
Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6
--------------------------------------------------------------------

v2.23.0 | Report a Bug | By Email