To: <focus-linux@securityfocus.com>
Date: Thu, 1 May 2003 19:12:24 +0200
Hello,
> Could some one tell me what does it mean, and what can I do ?
From a FAQ:
What does "kernel: martian source aabbccdd for 11223344, dev eth0" mean?
--
These are packets that Linux does not expect from the direction they came
from (i.e. packets from internal hosts coming in on the external interface).
The cause is probably a misconfigured machine on your LAN.
You can turn off logging those packets via
/proc/sys/net/ipv4/conf/*interface*/log_martians
which is documented in /usr/src/linux/Documentation/proc.txt
HTH,
Oliver
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