This is a How to edit Proxy Settings Guide that also covers operating system specific settings.
Contributions welcomed.
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Browsers:
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Desktop Environments:
- GNOME
- KDE (missing)
- XFCE
- Mac OS X
- Windows XP
- Windows Vista (missing)
- Windows 7 (missing)
- Windows 8 (missing)
Chrome, Chromium and Opera use system-wide settings.
- Go to chrome://settings
- Click on Show advanced settings... (small link on the bottom of the page)
- Scroll down to the Network category
- Click on Change proxy settings... button
This will open the desktop environment's settings window.
Firefox uses either system-wide settings or custom settings. We recommend to use custom settings, because that allows other applications (like your E-Mail client) to function normally as expected.
- Go to about:preferences#advanced
- Click on Network Tab
- Click on Settings... Button
- In the new Window, select Manual proxy configuration and enter details for HTTP Proxy
- Click on OK Button
Safari uses system-wide settings.
- Open the Menu (gear-wheel icon)
- Select Preferences
- Click on Advanced Tab
- Click on Change Settings... Button
This will open the desktop environment's settings window.
- Open Settings Application
- Select Network View
- Select Network Proxy Menu
- Choose Manual as Method and enter details for HTTP Proxy
- Click on Apply system wide Button
- Open XFCE Menu
- Execute gksudo mousepad /etc/environment
- Add the following lines to the file and save it
- Reboot the system (if environment is loaded only on system startup)
http_proxy=http://127.0.0.1:8080/
https_proxy=http://127.0.0.1:8080/
HTTP_PROXY=http://127.0.0.1:8080/
HTTPS_PROXY=http://127.0.0.1:8080/
- Open System Preferences Application
- Select Network View
- Click on Advanced Button
- Select Proxies Tab
- Check Web Proxy (HTTP) and enter details for HTTP Proxy
- Click on OK Button
- Click on Apply Button
If you don't know how to open Inetcpl.cpl in command line, follow the Chrome Browser Tutorial in order to open the Internet Properties Control Panel.
- Open Internet Properties
- Click on LAN settings Button
- Check Use a proxy server ... and Click on Advanced Button
- Enter details for HTTP Proxy and Check Use the same proxy server for all protocols
- Click on OK Button
- Click on OK Button
- Click on Apply Button