PortTunnel is a TCP/IP port redirector with logging. TCP/IP port redirector with many features for the advanced user. "Like a Swiss Army Knife".

* TCP: IP security (and stealth ports on 2000/XP)
* TCP: SSL&TLS using OpenSSL
* TCP: tunnelling of connections through HTTP proxies
* TCP: speed limiting, data logging, etc
* TCP: passwording of tunnels
* SMTP: antispam (DNS/RBL & greylisting)
* SMTP: antivirus (using existing installation of Sophos AV or Grisoft AVG)
* SMTP: relay filtering and AUTH
* FTP: translate 'PORT' and 'PASV' commands (FTP Bouncing)
* FTP: FTP over SSL/TLS
* Runs as a service on ALL versions of Windows
* Great for debugging network programs
* Can redirect many ports at once (including port ranges)
* Plus much more

The license of this software is Free Trial Software, the price is $29.00, you can free download and get a free trial.