Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Firefox not detecting/using system proxy settings

  • 2 replies
  • 3 have this problem
  • 7 views
  • Last reply by kmantel

more options

I use a command line script to change among various proxies (and none). Firefox does not recognize when a proxy is turned on or fails to connect to it (no error messages), while other browsers and applications do just fine. I have tried selecting "Use system proxy settings" and "Auto-detect proxy settings for this network."

My script contains these lines to activate a proxy

reg add "HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections" /v DefaultConnectionSettings /t REG_BINARY /d 46000000b10000000200000014000000736f636b733d3132372e302e302e313a313131311c0000002a2e6c6f63616c3b3139322e3136382e31312e2a3b3c6c6f63616c3e000000000000000000000000000000000000000000000000000000000000000000000000 /f

reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings" /v ProxyEnable /t REG_DWORD /d 1 /f

reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings" /v MigrateProxy /t REG_DWORD /d 1 /f


The first line enables the proxy to take effect without entering inetcpl.cpl. Again, this works for any application other than Firefox. The proxies are all through ssh with port forwarding.

I do not want to manually configure a proxy in Firefox, because I do not want to change this every time I need to change proxies or turn them off. This is not an acceptable solution.

I am on Windows 8.1 64bit, with Firefox version 35.0

Any idea what might be going on here?

I use a command line script to change among various proxies (and none). Firefox does not recognize when a proxy is turned on or fails to connect to it (no error messages), while other browsers and applications do just fine. I have tried selecting "Use system proxy settings" and "Auto-detect proxy settings for this network." My script contains these lines to activate a proxy reg add "HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections" /v DefaultConnectionSettings /t REG_BINARY /d 46000000b10000000200000014000000736f636b733d3132372e302e302e313a313131311c0000002a2e6c6f63616c3b3139322e3136382e31312e2a3b3c6c6f63616c3e000000000000000000000000000000000000000000000000000000000000000000000000 /f reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings" /v ProxyEnable /t REG_DWORD /d 1 /f reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings" /v MigrateProxy /t REG_DWORD /d 1 /f The first line enables the proxy to take effect without entering inetcpl.cpl. Again, this works for any application other than Firefox. The proxies are all through ssh with port forwarding. I do not want to manually configure a proxy in Firefox, because I do not want to change this every time I need to change proxies or turn them off. This is not an acceptable solution. I am on Windows 8.1 64bit, with Firefox version 35.0 Any idea what might be going on here?

Modified by kmantel

All Replies (2)

more options
more options

Thank you for the response, but as above, the "Auto-detect proxy settings for this network." setting does not work.

Modified by kmantel