How to setup proxy server settings in browsers

I already set the proxy server configuration to work with any IP so all you need to do is to set the browser to use the manual proxy configuration.

How to setup proxy server settings in Firefox on Windows
To change proxy settings:
- Select Tools and then Options.
- Click the Advanced tab.
- Open the Network tab.
- Click the Settings button in the Connections area.
- Select Manual Proxy Configuration.
- Provide the squid server IP in the HTTP Proxy field
- Set the Port to 8080
- Check "Use this proxy for all protocols"
- Click Ok
- Click Close

------------------------------------------------------------------------------------------------------------------------------------------------------------------
How to setup proxy server settings in Firefox on Linux
- Go to Edit -> Preferences -> Advanced -> Network -> Settings
- Select Manual proxy configuration
- Provide the squid server IP in the HTTP Proxy field
- Set the Port to 8080
- Check "Use this proxy for all protocols"
- Click Ok
- Click Close

------------------------------------------------------------------------------------------------------------------------------------------------------------------
How to setup proxy server settings in Google Chrome
- Click the wrench icon
- Select Preferences
- Click "Under the Hood" tab
- Click "Change proxy settings" button under Network
- Select "Manual proxy configuration"
- Set HTTP proxy field to squid server IP
- Set Port to 8080
- Click Close

------------------------------------------------------------------------------------------------------------------------------------------------------------------
How to setup proxy server settings in Opera
- Go to Menu -> Settings -> Preferences
- Click on Advanced tab
- Select Network
- Click Proxy servers button
- Set HTTP field to squid server IP
- Set Port to 8080
- Click OK