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distros:ubuntu_server [2019/10/23 16:05] – Sean Rhonedistros:ubuntu_server [2020/06/12 02:50] – Sean Rhone
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   * See [[Clients:Secure Shell]]   * See [[Clients:Secure Shell]]
 +
 +==== Force Public Key Authentication ====
 +
 +  * :!: Be sure to generate/restore keys and to copy to server before disabling passwords
 +  * :!: See [[clients:secure_shell|Secure Shell]] notes
 +  * :!: Check ''/etc/ssh/sshd_config'' to see what directory is used for ''.conf'' files if this doesn't work
 +
 +  echo 'PasswordAuthentication no' | sudo tee '/etc/ssh/sshd_config.d/custom-pubkey-only.conf' > '/dev/null' && cat '/etc/ssh/sshd_config.d/custom-pubkey-only.conf'
 +
 +  sudo -e '/etc/ssh/sshd_config.d/custom-pubkey-only.conf'
  
 ===== Sensors ===== ===== Sensors =====
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   * Allows SSH   * Allows SSH
 +  * :!: Does not limit SSH ((this caused issues; better to just secure SSH))
 +  * See [[notes:ufw|ufw]] for more notes
  
   sudo ufw reset && sudo ufw default deny && sudo ufw logging off && sudo ufw allow 'ssh' && sudo ufw enable && sudo systemctl enable 'ufw'   sudo ufw reset && sudo ufw default deny && sudo ufw logging off && sudo ufw allow 'ssh' && sudo ufw enable && sudo systemctl enable 'ufw'
/var/www/wiki/data/pages/distros/ubuntu_server.txt · Last modified: 2024/02/07 09:22 by Sean Rhone