SSH multiplexing re-uses precisely the same TCP relationship for several SSH sessions. This removes some of the function required to ascertain a whole new session, potentially speeding issues up. Limiting the amount of connections can also be valuable for other reasons. Ultimately, double Test the permissions within the authorized_keys file https://vpn-and-softether-account61605.kylieblog.com/30364489/the-single-best-strategy-to-use-for-servicessh