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SubjectRe: TCPv4 bad checksum - weren't they gone?
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On Wed, 8 Jul 1998, Nicholas J. Leon wrote:

> On 8 Jul 1998 peloy@ven.ra.rockwell.com wrote:
>
> # TCPv4 bad checksum from 130.151.17.154:1f90 to 130.151.17.162:0406,
> # len=1206/1206/1226
> #
> # I thought these were gone...
>
> Oh my no ....

<snip>

> I'm getting around 250 of them a day, from various sources. No modems
> involved here ....

I also get the odd one from a FreeBSD box. There are a lot of hops (20
or so) between there and here, but no modems as far as I know. I'm
running 2.1.106ac4. I did not see these with 2.0.3x

> They _appear_ to be harmless, so I've just been ignoring them :)

I've been doing the same. I see maybe 1 a week, always from the same
host (I have a fairly active connection to it so it probably
isn't too surprising I only see the bad checksum from this host), but
it doesn't seem to cause a problem. Doubtless were the rate higher, I
would be more concerned.

Cheers,

Mark

+-------------------------------------------------------------------------+
Mark Cooke The views expressed above are mine and are not
Systems Programmer necessarily representative of university policy
University Of Birmingham URL: http://www.sr.bham.ac.uk/~mpc/
+-------------------------------------------------------------------------+

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