How to monitoring activity on a card?

[Eric Anderson]

Francisco Reyes wrote:
> My setup 4.9 stable with IPFW. Machine acts as gateway for two machines.
> 
> What are my options on monitoring activity on my external card?
> 
> This morning I noticed my DSL modem activity light is blinking non-stop.
> Looking at /var/log/ don't see anything suspicious.
> 
> I feel tempted to add "log" to all my ipfw pass rules, but wonder if there
> isn't a better way.
> 
> I am mostly concerned there is either some kind of attack going on or
> somehow the machine was hacked and it's running something it's not
> supposed to.

I like trafshow for watching it "live".

Eric


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Eric Anderson     Sr. Systems Administrator    Centaur Technology
Today is the tomorrow you worried about yesterday.
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