| To: | Thomas Graf <tgraf@xxxxxxx> |
|---|---|
| Subject: | Re: skb_checksum_help |
| From: | David Coulson <david@xxxxxxxxxxxxxxxx> |
| Date: | Sun, 23 Jan 2005 20:31:02 -0500 |
| Cc: | netdev@xxxxxxxxxxx |
| In-reply-to: | <20050124003241.GJ23931@xxxxxxxxxxxxxx> |
| References: | <41F432BD.3000300@xxxxxxxxxxxxxxxx> <20050124003241.GJ23931@xxxxxxxxxxxxxx> |
| Sender: | netdev-bounce@xxxxxxxxxxx |
| User-agent: | Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7.5) Gecko/20041217 |
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@xxxxxxxxxxxxxxxx web: http://www.davidcoulson.net/ phone: (216) 920-3100 / (216) 258-4942 |
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