[Gllug] security and the /etc/host* files, possibly portmap?

[will]

O' collective brain,

I have an old machine at home that I did a server install on (mandrake 7.1)
and it seems pretty secure.  Nmapping the box from my home network (there is
not outside connectivity) reveals *no* UDP or TCP ports open.  And here is
the problem.  I want to telnet into the box with my other machine on the
network but the connection is obviously refused.  I have played around with
the settings in the /etc/host* files to no avail.  Are there any references
that you can recommend online/book form that will give me a better idea
about Linux security possibly with networking for someone that is pretty new
to the concept?

And any idea how I can let a particular host on my network connect, but
limiting it possiby to just being able to see an open telnet port?

Thanks
Will.



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