On Wed, 3 Jun 1998, Dave wrote:
> Date: Wed, 3 Jun 1998 13:06:20 +1000
> From: Dave <[EMAIL PROTECTED]>
> To: 'Linux_masq' <[EMAIL PROTECTED]>
> Subject: [masq] failed TCP/UDP checksum
>
> Greetings.
>
> This is a short excerpt from my /var/adm/debug file.
>
> Jun 3 12:13:18 baldrick kernel: MASQ: failed TCP/UDP checksum from 199.232.158.58!
> Jun 3 12:13:20 baldrick last message repeated 9 times
> Jun 3 12:15:59 baldrick kernel: MASQ: failed TCP/UDP checksum from 204.162.96.10!
> Jun 3 12:15:59 baldrick last message repeated 3 times
>
> Running Slakware Linux 3.4, kernel 2.0.33, everything else is standard as supplied
>with Slakware 3.4. The connection to the ISP is thru a 33600 modem. MTU is 296.
>
> Are these messages anything to be concerned about? They occur intermittently, but
>usually for two or three IP addresses within a couple of minutes, and then maybe none
>for an hour or many hours. Not always the same IP addresses.
If it is intermittent, then there is probably nothing to be
concerned about. Occasionally, a system *will* recieve corrupted packets,
but they should just be discarded without any notification, as the sending
system will just re-send the corrupted packets.
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