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Secure SSH with Custom Port & Private Key | Passwordless Login Tutorial

In this tutorial by Bhagaskara Labs, we demonstrate how to strengthen your Linux server security by:
Creating a dedicated sudo user
Configuring a custom SSH port (2278)
Setting up private key authentication using PuTTY PPK
Enabling passwordless login for maximum security

By following this step-by-step guide, you’ll reduce the risk of brute-force attacks, hide your SSH service from default scans, and ensure that only your trusted private key can grant access to your server.

Why This Matters:
SSH is the primary gateway to your server. Leaving it on the default port with password-based login exposes you to unnecessary risk. With a custom port and private key authentication, you gain both security and convenience.

Bhagaskara Labs — Where technology meets discipline, and security becomes second nature.

#SSH #PuTTY #LinuxSecurity #ServerHardening #BhagaskaraLabs