Proxy server (Tools=>Options=>Advanced)
If your internet access is via a proxy server (common in work place environments), then enter the details here. The default is to use IE settings, which means GSAK will use the same proxy server (if any configured) as Internet Explorer.
Note: If you are using an authenticating proxy server you *must* uncheck the "Use IE settings" and enter your proxy server details, otherwise your proxy connections will not work (GSAK needs to access the api via the proxy server and IE settings are not supported for this access method when using the Groundspeak api)