Yes, I was thinking along those lines, but I thought I'd ask. THANKS! Frank M. Ramaekers Jr. Systems Programmer MCP, MCP+I, MCSE & RHCE American Income Life Insurance Co. Phone: (254)761-6649 1200 Wooded Acres Dr. Fax: (254)741-5777 Waco, Texas 76710 -----Original Message----- From: centos-bounces at centos.org [mailto:centos-bounces at centos.org] On Behalf Of Vahur Jõesalu Sent: Thursday, April 24, 2008 9:27 AM To: CentOS mailing list Subject: Re: [CentOS] TCP/IP Port Relay 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) > _______________________________________________ CentOS mailing list CentOS at centos.org http://lists.centos.org/mailman/listinfo/centos _____________________________________________________ This message contains information which is privileged and confidential and is solely for the use of the intended recipient. If you are not the intended recipient, be aware that any review, disclosure, copying, distribution, or use of the contents of this message is strictly prohibited. If you have received this in error, please destroy it immediately and notify us at PrivacyAct at ailife.com.