ssh has connection timeout code example

Example 1: ssh connection timeout

$ sudo vi /etc/ssh/sshd_config # in server

#Add the following
ClientAliveInterval  1200
ClientAliveCountMax 3

$ sudo systemctl reload sshd
# Remember timeout value in seconds = ClientAliveInterval * ClientAliveCountMax

Example 2: ssh connection timeout

$ sudo vi /etc/ssh/sshd_config