connect.c is a simple relaying command to make network connection via SOCKS and https proxy. It is mainly intended to be used as proxy command of OpenSSH. You can make SSH session beyond the firewall with this command, Features of connect.c are: Supports SOCKS (version 4/4a/5) and https CONNECT method. Supports NO-AUTH and USERPASS authentication of SOCKS5 You can input password from tty, ssh-askp