You have learned how to disable SSH password authentication on your server / VPS. This makes your server a lot safer because no one will be able to connect to your server via SSH using a password. Only privileged users using SSH keys or other advanced authentication methods will be able to...
This post showed you how to set up key-based SSH authentication on Ubuntu Linux. Please use the comment form if you find errors or want to add something below.
Once you haveSSH Keys configured, you can add some extra security to your server by disabling password authentication for SSH. (Note that if you do lose your private key, this will make the server inaccessible and you will need to contact HostGator to have this re-enabled.) To disable this...
Authentication Publickey Algorithms:x509v3-ssh-rsa,ssh-rsa,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,x509v3-ecdsa-sha2-nistp256,x509v3-ecdsa-sha2-nistp384,x509v3-ecdsa-sha2-nistp521,rsa-sha2-256,rsa-sha2-512Hostkey Algorithms:x509v3-ssh-rsa,rsa-sha2-512,rsa-sha2-25...
ip ssh authentication-retries 3ip ssh source-interface Loopback0ip ssh break-string ~breakip ssh version 2ip ssh dh min size 1024no ip ssh rekey timeno ip ssh rekey volumeip ssh server authenticate user publickeyip ssh server authenticate user keyboardip ssh server authenticate user passwordno...
Step 2. Check current SSH settings First, let’s look at the default SSH setup: show ip ssh SSH Enabled - version 1.99 Authentication methods:publickey,keyboard-interactive,password Authentication Publickey Algorithms:x509v3-ssh-rsa,ssh-rsa ...
authentication method: publickey debug1: Offering RSA public key: /home/user/.ssh/id_rsa debug1: Authentications that can continue: publickey,password debug1: Trying private key: /home/user/.ssh/id_dsa debug1: Trying private key: /home/user/.ssh/id_ecdsa debug1: Next authentication ...
Disable SSH password authentication Before you do that, you must keep the following things in mind: Make sure to create your ssh key-pair on your personal/work computer andadd this public SSH key to the serverso that at least you can login to the server. ...
sshPrivateKey string 用戶帳戶的 SSH 私鑰。 私鑰不得受到密碼保護。 當集區的 enableInterNodeCommunication 屬性為 true 時,私鑰用於在 Linux 集區中的節點之間自動設定非對稱密鑰型驗證(如果 enableInterNodeCommunication 為 false,則會忽略它)。 其方式是將金鑰組放入使用者的 .ssh 目錄中。 如果未指定,則...
sshd_PasswordAuthentication: 'no' become: yes Alright, run the book like $ ansible-playbook -i /path/to/env disable_ssh_password_playbook.yml the sshd configuration is updated, and target host cannot be ssh anymore with password authentication. ...