How to secure SSH on Remote server ?

Simple strategies to secure ssh server. Ssh is perhaps the most secure remote shell around, and at the same time the most abused one too. I have like a thousand attempts on my servers on default ssh port no 22. The tries are mostly dictionary attacks and brute forcing. Default security of ssh to delay the logins and use of strong passwords usually suffice to tackle this. How attackers plan and execute a dictionary attack ? First of all "nmap" is used to check if port 22 is open and is serving, then script execute dictionary attack on the port. This attack may run for years trying out various passwords…
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