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Saturday, July 16, 2011

How to Bypass a Firewall or Internet Filter

Don't you hate it when you go to a website at school and find out that the school firewall blocks it? This guide will teach you how to bypass the web filter to access your websites. This may not work on some blockages, whether you use IP or HTML.
If you just type in "https" rather than "http" at the beginning of the address, you can go to some sites, as most blockers aren't configured to block secure web pages. However, some websites just don't work as secure pages.

1. Go to START -> Run. Enter cmd and hit enter, or click on START -> Program Files -> Accessories -> Command Prompt to open the Command Prompt window.
2. If your school has disabled access to the command prompt, right click, go to New, and select Text Document. In the text document simply type cmd then save the file ascommand.bat or, if this doesn't work, command.com Make sure you switch the Save As Type field in Notepad's Save dialogue to All Files. Double Click and you have successfully gained access to the command prompt.
3. If that doesn't work, perform the following steps at home and bring the IP address to school.
4. Once in the Command Prompt, enter ping x replacing the x with any website of your choice. For example, if you are looking to access Google, then you would enterping google.com into the prompt [leave out the HTTP://]. You can also use the nslookup command in a similar fashion. Using the same site as an example you can type nslookup www.google.com at the command prompt. Just be sure to refer to the Non-authoritative Answer for the steps that follow.
5. You will see a set of four numbers [here, 72.14.207.99] is Google's IP address.
6. Open your browser window. In the address bar, type http://x.x.x.x, replacing the x's with the ping address, and hit enter [for example, http://72.14.207.99]. This will give you access to Google.
7. If the web filter blocked even the IP address of the site, you can take each number in the IP and convert it to a Hexadecimal format. Then in the browser enter http:// 0x(hex1).0x(hex2).0x(hex3).0x(hex4)
  1. Note: This method is very easy to trace!


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