+# Disable authentication methods I don't use.
+ ChallengeResponseAuthentication no
+ GSSAPIAuthentication no
+ HostbasedAuthentication no
+ KbdInteractiveAuthentication no
+# Only enable those I need.
+ PasswordAuthentication yes
+ PubkeyAuthentication yes
+
+# Abort if not all requested port forwardings can be set up.
+ ExitOnForwardFailure yes
+