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Old 08-03-2005, 12:36 AM   #1
hereshashi
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message in /var/log/messges


Hi,
I am getting this message non-stop in tail -f /var/log/messages. i am new to linux so please why is it coming and what is resolution.

NET: 489 messages suppressed.
ns1 kernel: martian source 0.0.0.240 from 0.0.0.240, on dev eth0
ns1 kernel: ll header: ff:ff:ff:ff:ff:ff:00:30:48:2b:6b:70:08:06
 
Old 08-03-2005, 03:28 PM   #2
Mara
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Moved: This thread is more suitable in Linux-Security and has been moved accordingly to help your thread/question get the exposure it deserves.

The messages show you that your machine's receiving large number of strange packets with addresses that don't make sense at all. It's mostly informative. If you're the admin, it may be a good idea to trace the source down. You have interface they are from (eth0) and MAC number of the card that sent them (it may be false, but is worth checking). If you check all your machines and their NICs, you should be able to find it.
 
Old 08-03-2005, 08:00 PM   #3
inaki
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For me it can be called as a spoofing technnique. My suggestion is setup the ids like snort to capture the activity
 
  


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