[ale] Linux Box is Garbage Spewer please help!

[Stephen J. Pellicer]

you can 'tcpdump -i eth0' to see what's leaving your box on the ISP side.
Should work with most interfaces on Linux (haven't tried it on more obscure
interfaces like PPPoA and PPPoE, but I can't see why it wouldn't work). Man
on tcpdump to see the filtering capabilities to sift through it.

-----Original Message-----
From: owner-ale at ale.org [mailto:owner-ale at ale.org]On Behalf Of djinn
To: ale at ale.org
Sent: Wednesday, June 20, 2001 11:45 AM
To: ale at ale.org
Subject: [ale] Linux Box is Garbage Spewer please help!


Greetings

My ISP just waved a paper in my face proclaiming that one of two boxen
that I run, both Linux, is spewing forth garbage...but he doesn't know
which one.  Our outbound traffic went thru the roof last night, while
inbound is its normal, sedate, tiny self.

Now, I certainly don't have anything set up to spew garbage, and I
*think* all is well with my boxen...they're not acting peculiar and I
know them pretty well.  Can anyone give me any diagnostic pointers in
this case?  I'm not very knowledgable about what happens once a packet
leave my box, so I'm having a hard time trying to figure out what to
diagnose here or even how to diagnose it.

While I await help, I'm going to run a clean lsof and my usual "have we
been cracked" checksums and diagnostics...but should those fail to tell
me anything...what do you guys suggest?

Please help??

TIA
jenn
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