Proxy configuration
The default values to use with a Tor service are: type=socks5, host=127.0.0.1, port=9050, RemoteDNS=true. The Tor service needs to be installed and running, separately of IceCat.
Type	Select proxy type HTTP HTTPS SOCKS5 SOCKS4
Host
Port
Username (optional)
Password (optional)
Remote DNS
General settings
Don't use proxy for hosts we can detect as local (e.g. LAN IPs)