[mirror-admin] Server DOS?

Scott Baker bakers at canbytel.com
Fri Jul 31 13:34:39 EDT 2009


I think my server is being DOSd, or maybe it's another server on my 
network. This isn't strictly mirror related, but there are a lot of 
sysadmins on here maybe you can help.

I've port mirrored the port in question to another box so I can sniff the 
traffic and see what's going on. Is there a simple way to see the "top 
talker" so I can filter them out at the router level. If I tcpdump I get a 
bajillion packets, so I'd need some software with some intelligence to 
filter out how's sending the most packets (not bandwidth). iftop? iptraf? 
I'm open to ideas.

Sorry if this is the wrong place for this, I'm running out of options.

-- 
Scott Baker - Canby Telcom
System Administrator - RHCE - 503.266.8253

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