How to make sure that I use proxy server in Mozilla Firefox browser?
When the Internet connection problems occur, it is worth checking if the proxy settings were configured correctly.
Click on Tools and Internet Options in the browser.
Click on Advanced, then Network and Settings. In the window that will show up choose Manual proxy configuration.
If it turns out that you use proxy server, provide its address and port number for TRANS messenger.
You can do this by clicking on More Settings in TRANS messenger, then click on Options and Settings.
In the window that will appear click on Connection. Click on Ok after providing the information.