If 1 doesn't already exist, at the highest of the file, determine a bit that will match all hosts. Established the ServerAliveInterval to “one hundred twenty” to ship a packet to the server every single two minutes. This could be sufficient to inform the server not to shut the relationship: https://augustnsxaf.eedblog.com/29977358/how-much-you-need-to-expect-you-ll-pay-for-a-good-servicessh