If you are behind a proxy server for network-security reasons, you can transfer files by inputting your proxy host, port number, username and password. To modify your transfer-proxy settings, go to Preferences > Network . Note that the transfer proxy feature is disabled by default. On this screen, you can do the following:

Global Settings

To configure your global proxy settings, select the Edit global settings... button. In the Edit Proxy window, do the following:

Override Global Settings

To override your global settings, enable the Override Global Settings checkbox (note that if this setting is not enabled, then the global proxy settings are used by default). Do the following: