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Firefox on my android phone times out on any webpage whenever I am not connected to a Wi-Fi. All webpages and IP addresses timeout with no response. Same issue occurs on Firefox Beta app and Firefox Nightly. All other applications work as expected with full internet access on mobile data. The same pages/addresses respond as expected on Chrome and the built-in browser.

Simply put, all Firefox apps have no internet connectivity on mobile data.

Solutions I've attempted with no success or change: Re-install Firefox. Logging out of Firefox Sync. Clear Firefox data and cache. Disabling tracking protection. Disabling HTTPS-only mode. No proxy settings are enabled. Confirmed Firefox application has mobile data network privileges. Disabling, re-enabling mobile data network privs. Installing Firefox Beta and Firefox Nightly; same issue.

Another possibly related issue: Firefox does not follow routes from a Cisco AnyConnect VPN on my phone. Opening pages/IP addresses routed through the VPN are rejected or timeout as if the VPN is not active at all. The same pages/addresses respond as expected on Chrome and the built-in browser. This occurs over Wi-Fi as well, of course nothing works on mobile data as described above.

Device: Oneplus 8T (KB2003) OS: OxygenOS 13.1 (Android 13) Firefox version: 117.0.1

As of yesterday (1st Nov 2023), Firefox started reporting "Proxy Server Refused Connection" when trying to browse websites over Wifi.

I have a proxy server configured in my phone wifi settings, and this has worked before, and still works in other apps (Chrome, etc)

Checking with tcpdump on the proxy server itself, I see my phone trying to connect to port 80, rather than the configured port (8000)

Firefox version: 119.0.1 Phone: Samsung Galaxy S22 Android version: 13

Hello,

I cannot connect my firefox mobile, I get the following error: NetworklError when attempting to fetch resource.

Note: My mobile phone have access to the internet

I recently logged into the WIFI of my TAFE, which uses a proxy, only to find that Firefox would not work. 1 hour of crazed searching later I have found that you pretty much *cannot use a proxy with Firefox on Android*.

Sure technically you can download the FoxyProxy add-on or go to about:config and change the settings there (but not on the stable build which y'know most people use) but the fact that the stock, stable install has *zero* support for proxies, which are extremely common on school/work networks, is absolutely unacceptable. This is *basic* functionality that was reported as missing as far back as 10 years ago and *nothing* has been done to fix this.

The worst part is Mozilla are clearly aware of this. An issue was opened on github and was only closed to be moved over to bugzilla where it remains open. And for some reason on bugzilla the severity is marked as N/A even though this literally means you cannot use Firefox Android on any network with a proxy

I apologize for the harsh and direct tone but I am truly astonished that no one seems to think that this is as severe as it actually is. I use Firefox because I love open source software and I hate the idea of google having a monopoly over browsers. Things like this where basic features are missing (resulting in the browser being completely unusable on certain networks) make me reconsider if this browser is even worth using. And please don't say that FoxyProxy solves all of this because the fact that basic functionality is locked behind a third party extension is unacceptable.

Just today all my bookmarks , every other site that I try, shows "address not found" and Also each site shows "Your connection is not secure".

I have only 1 add-on, UBlock Origin. Whether this is OFF or ON doesn't matter.

HTTPS-Only Mode : OFF or ON doesn't matter.

I've also re-installed Firefox Android, no change.

Also cleared the cache.

Thanks, Rod

PS: WiFi & Cell connection very good.