well, I think there is nothing to be afraid of.
anyway if U want to disable telnet.in U can simply write it in
/etc/hosts.deny ot even prohibit it in /etc/inetd.conf
also U can disable ftp in /etc/inetd.conf
Regards,
Igor N. Green
On Sun, 28 Jun 1998, David Taylor wrote:
> Hi,
>
> When I dial into my isp using ppp I can then login to a telnet session,
> type "who", and see the IP address of my machine. I try telnetting from
> the isp's host back to my machine, and guess what... it works. Also,
> when I am on my machine, I type "ps aux" and see "sendmail: accepting
> connections on port 25".
>
> Now, all this just seems too dangerous to me. Sendmail and ftp are
> notorious for having security problems, as are numerous other programs.
> And the very fact that my machine permits telnetting inwards worries me.
>
> Can anyone suggest measures that I should take to improve the security
> and reduce the vulnerability of my machine when I'm logged into my isp?
> Is it possible to hide the IP address?
>
> Regards,
> David (worried) Taylor.
>
>
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