Danny, Without trying to be clever (and not understanding how your setup is put together), would it not be better if the application sat on port 25 - despammed etc, and then sent to itself on the loopback interface 127.0.0.1:1234 ?
That way you collect all traffic coming into the server from inside or outside, and also can submit to a 'known good IP:port'. -- Best Regards, Steve Leach Network Manager MI International Ltd DISCLAIMER Any opinions expressed in this e-mail are those of the individual and not necessarily of MI International Ltd. This e-mail and any information or files transmitted with it, including replies and forwarded copies, are confidential and intended solely for the use of the intended individual or entity. If you are not the intended recipient, please e-mail [EMAIL PROTECTED], along with a copy of the e-mail. ---------------------------------- Tuesday, June 10, 2003, 8:00:46 PM, you wrote: CDH> Does anyone know if GB-PRO version 3.2 supports (properly) port CDH> translation via tunnels? CDH> Background data: CDH> I have tunnels for true IP 66.xxx.xxx.123 (port 0) to NAT IP CDH> 192.xxx.xxx.456 (port 1234) CDH> I have filters that allow all, TCP, 0, Source=any_IP: port 0, CDH> Dest.=192.xxx.xxx.456: port 1234 CDH> I also have Email Proxy ON. CDH> What I need is any/all inbound POP traffic allowed into server A CDH> (192.xxx.xxx.456) via true IP 66.xxx.xxx.123. The catch is, I want this CDH> traffic redirected to an application on server A that monitors port 1234 CDH> for pop traffic, filters, cleans, de-SPAMS and then sends it to itself CDH> on port 25 - A SCRUBBER system with anti-SPAM capabilities and a mail CDH> server. CDH> I have the server portion working properly. The internal handoff is CDH> working beautifully. However, when I attempt to send email to port 25 CDH> from outside, it is denied. Traffic on port 1234 manages to make its way CDH> through. CDH> It acts like the filters are allowing traffic on port 1234 rather than CDH> 25 to go through. Port 25 is blocked completely. CDH> Any ideas, any input??? CDH> Our "IT" deadline is for a solution by end of day. CDH> All assistance is appreciated! CDH> Thanks, CDH> Danny H. Cox CDH> Yield Dynamics, Inc. CDH> (408) 764-9822 CDH> ------------------------------------------------------ CDH> To unsubscribe: [EMAIL PROTECTED] CDH> For additional commands: [EMAIL PROTECTED] CDH> Archive: http://www.mail-archive.com/[EMAIL PROTECTED] ------------------------------------------------------ To unsubscribe: [EMAIL PROTECTED] For additional commands: [EMAIL PROTECTED] Archive: http://www.mail-archive.com/[EMAIL PROTECTED]
