In this example, a username and a password is supplied:
! U1 setvar "weblink.ip.conn1.authentication.add" "my.server.lan johndoe password"
In this example, no password is supplied
! U1 setvar "weblink.ip.conn1.authentication.add" "my.server.lan johndoe"
In this example, no username is supplied (note the double space)
! U1 setvar "weblink.ip.conn1.authentication.add" "my.server.lan password"
In this example, no username or password is supplied
! U1 setvar "weblink.ip.conn1.authentication.add" "my.server.lan"