Some organizations require that you use a proxy server to access servers outside the organization's local network.
Transmit supports 10 common types of basic FTP proxy server authentication, as well as SOCKS 4, 4a, and 5.To use a proxy server:Choose Transmit > Preferences
Click Advanced
Choose a proxy server type from the popup. A description of the proxy authentication process that you've chosen appears below the popup.
Enter the proxy server address, port, user name, and password (as required) in the fields provided.