Or if you still want to retain the service it offers for your internal
network you can use ipchains like this
/sbin/ipchains -A input -p tcp -s 0/0 -d externalinterface 113 -j DENY
/sbin/ipchains -A input -p udp -s 0/0 -d externalinterface 113 -j DENY
On Tue, 11 Jul 2000, Ray Olszewski wrote:
> Date: Tue, 11 Jul 2000 20:51:22 -0700
> From: Ray Olszewski <[EMAIL PROTECTED]>
> To: John Marr <[EMAIL PROTECTED]>, "LILUG (E-mail)" <[EMAIL PROTECTED]>,
> "Linux-Newbie (E-mail)" <[EMAIL PROTECTED]>
> Subject: Re: Closing port 113
>
> At 11:27 PM 7/11/00 -0400, John Marr wrote:
> >Does anyone know how I can close port 113 on my Linux box. I believe that
> >this is used for irc connections, among other things. I am running
> >Slackware 7.0.
>
> >From /etc/services
>
> auth 113/tcp authentication tap ident
>
> The ident service is used to authenticate your host, most often by IRC but
> sometimes by other services (e.g., smtp mail).
>
> To turn it off, just figure out what has it turned on. The likely candidate
> is a n entry in /etc/inetd.conf . If you find a line there for ident, just
> comment it out, then restart or re-HUP inetd (probably with "killall -HUP
> inetd").
>
>
> --
> ------------------------------------"Never tell me the odds!"---
> Ray Olszewski -- Han Solo
> Palo Alto, CA [EMAIL PROTECTED]
> ----------------------------------------------------------------
>
>
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Noah
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