CONNECT
From Dark Signs Online
CONNECT [server] [port] [optional-paramaters]
Connect to a server domain name or IP address on the specified port. If no port number is specified, the default port number is 80. You must specify the port number if you are including optional paramaters.
CONNECT mySite.org 80 qwertywert
Connects to mySite.org on port 80, and passes paramater $1 with a string "qwertywert"