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Re: Open Ports



Antony Stace wrote:

> I have just set up a CVS server running RH5.2 and noticed a few ports
> open on it.  I want to turn off anything I don't need.  All I need to be
> able to do on this box is to
>
> 1.  telnet to/from it

Are you sure? Chris will tell you this ain't good.


> 2.  ftp to to/from it
> 3.  run my cvs server on it
>
> so can someone please tell me which of the following I can turn off
> without breaking something.  I am a little bewildered why the linuxconf
> program needs to be sitting on a port, does anyone know why this is the
> case, can you access this program over the network?

You guessed it.

I think you don't need any of the following for telnet, ftp, cvs.
The rule of thumb is to remove everything you don't know or need.


> 25/tcp     open        smtp
> 37/tcp     open        time
> 98/tcp     open        linuxconf
> 111/tcp    open        sunrpc
> 113/tcp    open        auth
> 139/tcp    open        netbios-ssn
> 513/tcp    open        login
> 514/tcp    open        shell
> 635/tcp    open        unknown

B0Ti.


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