hmm, if I understood you correctly, then this should work just fine (on
linux firewall):
/sbin/iptables -t nat -I PREROUTING -p tcp --dport 23 -j DNAT \
--to telnetserverip:port-number
/sbin/iptables -I FORWARD -i external_interface -o internal_interface \
-p tcp -d telnetserverip --dport portnumberontelnetserver -j ACCEPT
after a reboot or firewall service restart it's gone again.
-vahur
Frank M. Ramaekers wrote:
What is the best way to temporarily setup a port relay. I'm trying to
diagnose a problem with Cisco's latest VPN client and need to determine
if the problem is port number related.
e.g. VPN client---------23-(Linux box to relay port)-------xx-(Telnet
server)
(Keep in mind this is temporary and for debugging purposes)
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