The syntax of the Address bar is:

[protocol://][user@]hostname[:port][/]

Available protocols are ssh, sftp, telnet, rlogin and serial. The default protocol is the one that is specified in the default session. The default ports used by the protocols are defined as following:

Some examples are listed below.
Usage Description
foobar.com Connects to foobar.com with the protocol and port specified in the default session.
ssh://BobSmith@foobar.com/ Connects to foobar.com with the ssh protocol. User account is BobSmith and the default port 22 will be used.
ssh://kay@foobar.com:12345/ Connects to the port 12345 of foobar.com with the ssh protocol. The user account is kay.
telnet://foobar.com/ Connects to foobar.com with the telnet protocol. A user is not defined and the default port 23 is used.
rlogin://kay@foobar.com/ Connects to foobar.com with the rlogin protocol. The user account is kay and the default port 512 is used.
sftp://kay@foobar.com/ Connects to foobar.com with the sftp protocol. The user account is kay and the default port number is used.
ftp://foobar.com/test.zip Connects to foobar.com with ftp protocol, and downloads test.zip.