NS8 security hardening

[davidep (Davide Principi)]

Nice idea! Please do not forget the links to existing discussions around this topic, to avoid repetitions, for example

NS8 Change node SSH port 22 permanently

Hi all, while kicking off from the easy of use of NS7, I am trying to change the default ssh service port 22 to let’s say 777. firewall-cmd --help shows me a lot of info and also Documentation - Manual Pages - firewall-cmd | firewalld But obviously I am overwhelmed I now have changed the ssh config file (change port 22 to 777) and told firewall-cmd the following firewall-cmd --add-port=777/tcp --permanent Then restarted the service (required to take the changes into effect). …