Using PortChain,it will let you Infinitely port forwarding until the destination ip address is achieved.It forwards any TCP protocol. For example: HTTP, SMTP, POP, TELNET, NETBIOS and SSL.You can completely use this tool wihout learning.
When you try to access some remote computer,maybe this computer located in a LAN that you can't directly access or this computer are configed to deny your computer's ip address.Under this situation,maybe you need to go through a lots of computer to finally access the destination and the computers you must go through maybe run Windows,Solaris or Linux system.It will bother you so much.Now,you can deploy PortChain tool on those computers,no matter those computers' system.After this,you can directly access your destination easily and enjoy your coffee:)