https://sourceforge.net/p/firewallpunch/home/Usage/Recent changes to UsageenWed, 22 Jun 2011 15:08:36 -0000https://sourceforge.net/p/firewallpunch/home/Usage/<pre></pre>Sean FiskWed, 22 Jun 2011 15:08:36 -0000https://sourceforge.net03b4a5bbcfbd45648d0376b5e3ff98cf8b461b36https://sourceforge.net/p/firewallpunch/home/Home/<pre>--- v1 +++ v2 @@ -1,5 +1,48 @@ -Welcome to your wiki! - -This is the default page, edit it as you see fit. To add a page simply reference it within brackets, e.g.: [SamplePage]. - -The wiki uses [Markdown](/p/firewallpunch/home/markdown_syntax/) syntax. +Firewall Punch Demo + +Copyright (c) 2011 Sean Fisk + +Licensed under the terms of the MIT/X11 license. + +Description +----------- + +Firewall Punch Demo is a proof-of-concept Java client and server to illustrate the UDP firewall punching technique used by Skype and similar programs. + +It was inspired by an article on The H Security blog, [The Hole Trick : How Skype & Co. Get Round Firewalls](http://www.h-online.com/security/features/How-Skype-Co-get-round-firewalls-747197.html). + +How to Use +---------- + +**Server** + +1. Download the [Server JAR file](http://sourceforge.net/projects/firewallpunch/files/1.3/fp_server.jar/download). +- Open a terminal in the download directory. +- Run the server with + + java -jar fp_server.jar PORT + +**Client** + +1. Download the [Client JAR file](http://sourceforge.net/projects/firewallpunch/files/1.3/fp_client.jar/download). +- Open a terminal in the download directory. +- Run the client with + + java -jar fp_client.jar HOST PORT + +**Running a server and two clients on the same machine** + +**NOTE**: This does not really demonstrate the real use of the program. + +1. Open three terminals. +- Start the server in the first terminal. + + java -jar fp_server.jar 5000 + +- Start a client each in the remaining terminals. + + java -jar fp_client.jar localhost 5000 + +- Once they are connected, kill the server with Ctrl-C. +- Continue communication between the clients! + </pre>Sean FiskWed, 22 Jun 2011 15:07:29 -0000https://sourceforge.net022ef89bbdc8518c1f9631cf3bb54ccfaac01996https://sourceforge.net/p/firewallpunch/home/Home/Welcome to your wiki! This is the default page, edit it as you see fit. To add a page simply reference it within brackets, e.g.: [SamplePage]. The wiki uses [Markdown](/p/firewallpunch/home/markdown_syntax/) syntax. Sean FiskWed, 22 Jun 2011 14:59:32 -0000https://sourceforge.netc8bf5183911a281ef0ab0e8c8214af1c30f07f74