IP listening

[Jhair Tocancipa Triana]

R L Reingard writes:

> to which IP address(es) the machine is connected at the moment? (nice
> would be if it could be shown continously refreshed)

watch -d -n1 "netstat -t tcp"

should do it.

> AND
> which IP address does search a connection to the machine at the
> moment?  (and at what door / ports do they knock?)

Take a look at snort with

apt-cache show snort

With

apt-cache search sniff

you can find similar packages for that purpose.

-- 
--Jhair

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