Hello Configuration Editor for Firefox https://support.mozilla.org/en-US/kb/about-config-editor-firefox Enter a search term '''network.captive-portal-service.enabled''' and try value '''false''' Enter a search term '''network.connectivity-service.enabled''' and try value '''false''' Restart Firefox Type '''about:networking''' into your address bar, and also, take a look at, '''Logging''', you can create an log Configuration Editor for Firefox Enter a search term '''network.captive-portal-service.enabled''' and try value true Enter a search term '''network.connectivity-service.enabled''' and try value true Restart Firefox Type '''about:networking''' into your address bar, and also, take a look at, '''Logging''', you can create an log