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Is there a way to prevent users from changing the Advanced, Connection, Settings Tab?

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I need to stop network users from changing the proxy settings to avoid the firewall. Is there any way to disable or prevent them from getting to the advanced, connections tab, and changing the settings for the proxy?

I need to stop network users from changing the proxy settings to avoid the firewall. Is there any way to disable or prevent them from getting to the advanced, connections tab, and changing the settings for the proxy?

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You can lock the corresponding prefs, then users won't be able to change the settings.

See http://kb.mozillazine.org/Locking_preferences

See also http://kb.mozillazine.org/about%3Aconfig_entries