VPS log

ssh hardening

• enabled keybased auth for server login (ssh-copy-id ssh @)
• disabled root login in sshd-config (PermitRootLogin NO)
• decreased MaxauthTries to 3 (still yet to configure Fail2Ban)
• changed back port 22 as defaultl
• Changed client alive interval to 5min(300) to stay alive in vps

Firewall setup

• installed firewall (ufw and iptables)
• allow OpenSSH (sudo ufw allow OpenSSH)
• To check the wheather the rule is added or not (sudo ufw show added)
• sudo ufw enable to make change effect
• To check for status (ufw status verbose)

/server/ /linux/