Configuring SSH Settings
Securing SSH connections is vital when securely connect remote IoT P2P SSH Ubuntu server. Begin by editing the SSH configuration file located at /etc/ssh/sshd_config. Key settings to modify include:
- Port Number: Change the default port (22) to a non-standard port to reduce brute-force attacks.
- Password Authentication: Disable password authentication and use public key authentication instead.
- Root Login: Disable root login to prevent unauthorized access.
After making these changes, restart the SSH service using the command:
sudo systemctl restart ssh
Implementing Firewall Rules
Firewall rules can further enhance the security of your SSH connections. Use ufw (Uncomplicated Firewall) to restrict access to your server:
sudo ufw allow/tcp
Replace
