A website may be blocked on a particular server for a host of reasons rendering them inaccessible to users. Schools and public institutions often block websites which they consider to contain inappropriate material or illegal file-sharing capabilities. You can view a list of blocked websites on your server by accessing your Windows root directory and opening the "hosts" file. Alternatively, for Mac users, you can view blocked websites by accessing the "etc/hosts" file from the Terminal application.
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Open the "System32" folder by double clicking "Computer" in Windows Explorer, double clicking on your hard-drive and then opening the "Windows" folder.
Scroll down until you find the folder named "Drivers" and double click your mouse to open it. Open the "Etc" folder.
Double click on the "hosts" file. This will open a new window containing a list of programs to view the file in. Select "Notepad" from the menu and click "OK."
Scroll down to view the websites blocked by your server.
Launch the Terminal application from inside the Utilities folder.
Type "sudo pico /etc/hosts" without the quotation marks in the Terminal window and hit "Enter." Your Mac will now prompt you to enter your administrator password.
Type your password in and press Enter to access the /etc/hosts file.
Scroll down to the bottom of the file where you can view a list of blocked websites. From here you can add any websites you wish to block by adding the IP address "127.0.0.1" followed by the domain name of the website.
Tips and warnings
- You can delete websites from the hosts file, but do not alter any other section.
- Always be careful when in the Windows root directory not to alter any file information as this can lead to your system becoming unstable.
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