hi ya jon

check that your telnet daemon is called /usr/sbin/in.telnetd
   grep -i telnetd /etc/inetd.conf

remember that hosts.allow is read before hosts.deny

so you can use positive or negative logic which ever file
you decide to use...

/etc/hosts.allow
----------------
#
# hosts.allow   This file describes the names of the hosts which are
#               allowed to use the local INET services, as decided by
#               the '/usr/sbin/tcpd' server.
#
# Version:      @(#)/etc/hosts.allow    1.00    05/28/93
#
# Author:       Fred N. van Kempen, <[EMAIL PROTECTED]
#
#
# end of empty file

/etc/hosts.deny
---------------
#
# hosts.deny    This file describes the names of the hosts which are
#               *not* allowed to use the local INET services, as decided
#               by the '/usr/sbin/tcpd' server.
#
# Version:      @(#)/etc/hosts.deny     1.00    05/28/93
#
# Author:       Fred N. van Kempen, <[EMAIL PROTECTED]
#
#
# deny everybody telnet access except: ( use ip# is even better )
#
in.telnetd :    ALL EXCEPT mydomain.com
#
ALL : ALL
#
# end of file

restart inetd....and try it....

if you do not want to muck with these files on all machines...
allow/disallow  it from the firewall...

better still use ssh instead of telnet/ftp/pop3/etc/etc

have fun linuxing
alvin


On Sat, 3 Jun 2000, Jon Hughes wrote:

> I am attempting to let machiens from a certain domain
> (mydomain.com we'll call it) telnet into my machine.  
> The IP Address will change each time so I know I can't
> do the simple ALL: xx.xxx.xx.x method.  I've looked in
> hosts_access but the characters it indicates aren't
> showing up correctly (in Console it says type
> xxx.xxx(some character here) but that character is
> different in a terminal in X).
> 
> Can anyone give me some advice on this?  Thank you
> 
> jon
> [EMAIL PROTECTED]
> 
> =====
> "God, Root. What is the difference?"
>       Pitr, User Friendly
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