How to secure SSH in your server ?

1) Set a very strong password, keep it in your mind but dont write in somewhere.

2) Disable direct root login

Search for

Set it as

Restart ssh

3) Limit user login

Restart ssh

4) Disable protocol 1

ssh use 2 protocols, protocol 1 is old and less secure, so enable protocol 2

5) Change ssh port to non standard port

Restart ssh

Note: If you are running iptables, then dont forget to open that port in iptables before you change it in sshd_config

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About shk

shk is a DevOps engineer with more than 12 years of experience in different organizations. He enthusiastic about learning new technologies and shares his knowledge through his blogs.

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