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Encrypted TCP Tunneler
I am writting a program called Encrypted TCP Tunneler, which I hope to
finish in a month or so. It will allow a secure link to be set up between
an ETT client and an ETT server, using Diffie-Hellman and DSA for
authenticated key exchange, and Blowfish for encryption. A user will be
able to open a TCP connection to the client and have that connection
transparently tunnel across the secure link to a TCP address on the other
I see several uses for this program, such as secure telnet, secure web
access, and access to a secure network across an insecure network. I
realize the program will no be as useful when IPv6 becomes widely
available, but that may not happen for a while. Also, this program can
be used on top of IP security to give users (as opposed to system admins)
more control over their own security.
Please send comments and suggestions.