Re: dmesg analyse

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Le dimanche 14 février 2010 à 20:54 +0300, Kuzin Andrey a écrit :
> Hello list !
> Here is part of my dmesg log...

> [770666.464746] UDP: bad checksum. From 89.85.97.98:42656 to 212.45.5.114:63925 ulen 285
> [770701.508607] UDP: bad checksum. From 150.101.211.131:28465 to 212.45.5.114:8069 ulen 111
> [770839.036065] UDP: bad checksum. From 91.193.68.134:64594 to 212.45.5.114:35955 ulen 331
> [770880.708220] UDP: bad checksum. From 91.193.68.134:64594 to 212.45.5.114:35955 ulen 331
> [770929.042927] UDP: bad checksum. From 95.84.232.203:63126 to 212.45.5.114:26128 ulen 331
> [770934.980900] UDP: bad checksum. From 95.84.232.203:63126 to 212.45.5.114:26128 ulen 331
> [770953.541793] UDP: bad checksum. From 95.84.232.203:63126 to 212.45.5.114:26128 ulen 331
> [770967.215508] UDP: bad checksum. From 95.84.232.203:63126 to 212.45.5.114:26128 ulen 331
> [771099.549203] UDP: bad checksum. From 91.193.68.134:64594 to 212.45.5.114:35955 ulen 331


> Third.
> I think UDP protocol is very noisy with "bad checksum" and "short
> packet" messages. This messages really needed ?

These messages are not logged if you do :

echo 0 >/proc/sys/net/core/warnings

(or add in /etc/sysctl.conf )
net.core.warnings = 0



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