How to Make Firefox Wait Longer for a Time Out

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Mozilla Firefox enables you to adjust the timeout configuration when you access the about:config screen. The about:config screen includes a long list of preferences with defined behaviors and values. The advanced preferences editor enables you to modify the values to update a behavior. For example, edit the timeout value for the proxy server connection to extend the time limit for a connection between your PC and the server.

1 Enter about : config''

Enter "about:config" (without quotation marks) in the Firefox Location bar, and then press "Enter." The screen message states, "This might void your warranty."

2 Click the I ll be careful

Click the "I’ll be careful, I promise!" button to open the list with four columns: Preference Name, Status, Type and Value.

3 Enter timeout

Enter "timeout" in the Search bar, and then press "Enter" to filter the Preference Name configuration options that contain "timeout."

4 Double-click

Double-click "network.proxy.failover_timeout" to open the Enter Integer Value pop-up window. The current value displays in the field.

5 Enter a larger value

Enter a larger value to replace the current value and then click "OK" to save. Close your Firefox browser and then launch Firefox again.

  • Information in this article applies to Mozilla Firefox 24.0. It may vary slightly or significantly with other versions or products.
  • The value is measured in seconds. For example, 1800 seconds equals 30 minutes.
  • Be careful when you edit the preferences. To be safe, copy the preference and default value from the list and paste to a text document, such as WordPad, for example, to keep a record. If you must return to the default settings, you have a record of that preference.
  • The screen message jokingly refers to a “warranty,” but no warranty exists.