because of security concerns, but also because we're relying on a TLS extension for our multiple certi... otocols'' it should check for. In our example, we're interested only in TLS, SSH and XMPP; please chec
-tty allocation, which is appropriate because you're not trying to create an interactive shell
-N say... ually want to run any remote commands. If all you're creating is a tunnel, then including this option