Nate Bargmann writes:
> Many texts say something like, "disable unneeded services in inetd.conf"
> which is great advice, until one is unsure what is needed. Most of the
> other services are self explanatory.
You should always disable anything you don't know about. See some discussions
above on the debian-security list.
> A second question. I have performed some nmap scans on my machines and
> noted a couple ports listed as unkown services. How can I indetify
> these mysteries either by cross referencing them to a PID or by some
> other means.
netstat -ap (as root) gives you access to the pid of processus that
uses ports on your machine, even listening or not (-a).
Ports referenced as 'unknown' are generally due to services depending
on a portmapper. You're probably using this machine as nis(+), nfs (or
something like that) server.
Regards.
--
Davy Gigan
System & Network Administration
University Of Caen (France)
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