SSH Security Settings

1. Connect to the server via SSH or access the shell on the console.
2. Type in the following, and then press Enter:

   sudo nano /etc/ssh/sshd_conf

3. Scroll to the bottom of the file.
4. Add the following lines:

5. Ciphers aes128-ctr,aes192-ctr,aes256-ctr

MACs hmac-sha1,umac-64@openssh.com,hmac-ripemd160

1. Type CTRL-X and then press Enter to exit.
2. Enter Y to save changes.
3. Do not change the name of the file, and press Enter to save.
4. Type in the following, and then press Enter:

   sudo service ssh restart