Date: Fri, 17 Jan 1997 14:39:29 +1100 (EST) From: Anthony Hill <ahill@interconnect.com.au> To: Nick Liu <nickliu@value.net> Cc: questions@freebsd.org Subject: Re: How to restrict users from telneting in? Message-ID: <Pine.BSI.3.91.970117141033.14902A-100000@tulpi.interconnect.com.au> In-Reply-To: <Pine.BSI.3.95.970115152550.20529A-100000@value.net>
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On Wed, 15 Jan 1997, Nick Liu wrote: > > I'd like to restrict users from telneting into my server. Is there anyway > in doing that? > > I think I've seen the discussion some where, but I couldn't remember the > place. > > If you know, please cc me. If you dont want ANYONE to telnet into your system then you should comment the telnet line out of /etc/inetd.conf, then restart the inet process will a 'kill -HUP "the inetd process id"'. If you still want people on your local network to be able to telnet in, the two traditional methods have been to use tcpwrappers, or a filter package. Tcpwappers seems to be declining in popularity these days, and I would recommend a filter package - specificaly IPfilter, although ipfw seems popular too. You may also want to look at ssh (secure shell) which amongst other things replaces the functionality of telnet with an public/private key encrypted session. (very cool, and quite popular.)
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