How to Check Proxy Settings on Mozilla Firefox

A proxy server creates a protective barrier between an internal network, such as one run by a business or university, and the Internet. If a computer outside of the internal network needs to access information, the proxy server will prompt the computer for authorization, most often in the form of a user name and password, before granting access. The necessary settings are usually provided by the Network Administrator or Technical Support.

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Click on "Go" and select "Applications." Locate and double-click on "Mozilla Firefox."

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Click on "Firefox" in the upper-left corner.

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Select "Preferences."

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Click on "Advanced" and select the Network tab.

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Click "Settings." Verify or set your proxy settings with those provided by your business or university.

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Click "OK" when finished and then "OK" again.

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Click "Start" and select "Programs." Click on "Mozilla Firefox," and then "Mozilla Firefox" to open the program.

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Click on "Tools" and select "Options."

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Click on "Advanced" and select the Network tab.

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Click "Settings." Verify or set your proxy settings with those provided by your business or university.

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Click "OK" when finished and then "OK" again.