I'm currently configuring a personal Debian server and found out that I made all the mistakes the OP did : ssh is still on port 22, authentication with a passwo

I'm currently configuring a personal Debian server and found out that I made all the mistakes the OP did : ssh is still on port 22, authentication with a password instead of keys, weak password for root, short user names (2 letters) etc ... This is discouraging.