From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Coulson Subject: Re: skb_checksum_help Date: Sun, 23 Jan 2005 20:31:02 -0500 Message-ID: <41F44FD6.4000205@davidcoulson.net> References: <41F432BD.3000300@davidcoulson.net> <20050124003241.GJ23931@postel.suug.ch> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Cc: netdev@oss.sgi.com Return-path: To: Thomas Graf In-Reply-To: <20050124003241.GJ23931@postel.suug.ch> Sender: netdev-bounce@oss.sgi.com Errors-to: netdev-bounce@oss.sgi.com List-Id: netdev.vger.kernel.org Thomas Graf wrote: > Protocol: 17 (UDP) > Checksum: 0x7b08 > Source: 211.32.117.11 (korean ip) > Destination: 10.1.1.5 > > [0] The originator of this packet is likely a BSD based > UNIX box. It is unlikely that it dropped to 49 from 128 > which I think is the base TTL windows uses. Only guessing > though. Looks like a DNS packet. AFAIK, 53 is the only UDP port I NAT through from the outside to 10.1.1.5. No idea if that really matters or not, with respect to the contents of the IP packet. David -- David J. Coulson email: david@davidcoulson.net web: http://www.davidcoulson.net/ phone: (216) 920-3100 / (216) 258-4942