Re: Martian Source
From: Oliver Nee (o.nee_at_arcor.de)
Date: 05/01/03
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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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