Firewall & Security Question
Steve Bertrand
iaccounts at northnetworks.ca
Wed Apr 30 09:13:25 PDT 2003
> Due to some recent activity, I need to be able to
> monitor who is doing what on the internet. IE,
> maybe a DOS attack being launched through our
> connection, etc. More than likely, I have a user
> with Kazaa or some other service that is periodically
> pumping out quite a bit of data.
>
> What should I use to snoop this out? Should I
> connect something between the firewall and the
> ADSL router to log whats happening ?
man tcpdump(8)
Also, possibly install ethereal.
Steve
>
> Any ideas greatly appreciated. This periodic activity
> brought our DSL throughput down to the point I was
> receiving calls.
>
> thanks,
> Darryl
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