TCP Port ReRouter: v2.0.0 Released (Open Source)

by Jon Davis 23. July 2010 19:20

About 6 years or so ago I wrote a heavily pirated little Windows app called TCP Port ReRouter that I tried to sell for a few bucks. It was written in Visual Basic 6.0 using the Winsock ActiveX control and enabled someone to basically redirect all TCP traffic (such as web traffic) coming in on one IP address and port to another IP address and port. It was a needed utility because most utilities I found on the Internet didn’t allow you to modify the port.

I’ve been meaning to rewrite that thing ever since I learned and adopted C#, I just never got around to it. I did have a couple false starts but never got past the sockets learning curve. Until now.

I spent the last two or three days writing the same functionality in C#. Thanks to improvements made to .NET, the implementation turned out to be extremely simple. It’s a basic byte-array-to-byte-array propagation of received socket data to and from a configured routed host and a connecting client.

Here it is, open-sourced, fresh from my laptop to your whatever. Please feel free to scroll down to the bottom and buy me a coffee. :)

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About the author

Jon Davis (aka "stimpy77") has been a programmer, developer, and consultant for web and Windows software solutions professionally since 1997, with experience ranging from OS and hardware support to DHTML programming to IIS/ASP web apps to Java network programming to Visual Basic applications to C# desktop apps.
Software in all forms is also his sole hobby, whether playing PC games or tinkering with programming them. "I was playing Defender on the Commodore 64," he reminisces, "when I decided at the age of 12 or so that I want to be a computer programmer when I grow up."

Jon was previously employed as a senior .NET developer at a very well-known Internet services company whom you're more likely than not to have directly done business with. However, this blog and all of have no affiliation with, and are not representative of, his former employer in any way.

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