Changing SSH default port on Ubuntu 20.04 LTS

This video describes how to change SSH default port on Ubuntu 20.04 LTS server.

SSH (Secure Shell) is a protocol that provides users to access a Linux server remotely over the internet.
It is the primary security step to protect our servers or machines from Brute force attack.

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It takes less the 1 second to port scan the server and find the new ssh port. Why bother