1. Switch on the proxy of your browser and enter the protocol types HTTP, HTTPS and FTP the address 127.0.0.1 and port 8080.
2. Check the configuration: http://127.0.0.1:8080/httpProxyConfiguration

Opera Classic menu bar

• 1 Menu / 2 Settings / Preferences...

Dialog Preferences

• 3 Select the tab Advanced
• 4 Select the Category Network
• 5 Click on Proxy Server...

Dialog Proxy servers

• 6 Select Use manual proxy configuration
• 7 Enable the protocols HTTP, HTTPS and FTP and enter the address 127.0.0.1 and port 8080.

  Note

  If entries are already available here then you transfer these in the WebAssistant from Surf Set/Protocol/Proxy.

• 8 Disable Use proxy for local servers
• 9 Exit dialog Proxy servers with OK
• 10 Exit previous dialog Preferences with OK

Please, check this settings now:
http://127.0.0.1:8080/httpProxyConfiguration
You need the WebAssistant - Proxy Offline Browser for this check.

You very simply can switch between the direct connection to the internet and a proxy setting. You press the key F12 and switch the entry activate proxy servers.