Thanks very much for all the E-Mails on this subject.
Most people have suggested Wietse Venema's tcp wrapper program and
using /etc/hosts.allow and /etc/hosts.deny with it.
Basically putting tcpd program in /usr/local/bin/tcpd,
and changing /etc/inetd.conf file to use:
exec stream tcp nowait root /usr/local/bin/tcpd in.rexecd
/etc/hosts.allow should have:
in.rexecd: ip-address1, ip-address2, ....
/etc/hosts.deny should have:
in.rexecd: ALL EXCEPT ip-address1, ip-address2, ....
I have implemented it and it works!
Many people have also suggested using ssh and its built-in X11
forwarding capability. I have not yet done this but I will try it out
in the next few weeks.
Again many thanks to every body.
This was my question:-
I would like to use EXCEED to use the functionality of the xterminal.
However it seems that it depends on REXEC protocol and using that you
can even login as root. You don't have to login as root from the
console! Is there any wrapper program that would ensure that REXEC can
only be used from certain IP addresses?
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