If you throw an Error, the user will be sent to the error page with the error message as a query parameter. If you return null then an error will be displayed advising the user to check their details. If you return an object it will be persisted to the JSON Web Token and the user will be signed in, unless a custom signIn() callback is configured that subsequently rejects it. A user object, which indicates the credentials are valid.The Credentials provider is specified like other providers, except that you need to define a handler for authorize() that accepts credentials submitted via HTTP POST as input and returns either: You can override any of the options to suit your own use case. The Credentials Provider comes with a set of default options: You should be prompted to enter your Yubikey token on the next SSH login.The functionality provided for credentials based authentication is intentionally limited to discourage use of passwords due to the inherent security risks associated with them and the additional complexity associated with supporting usernames and passwords.

Then, restart sshd: sudo /etc/init.d/sshd restart You can then edit the /etc/ssh/sshd_config file: # ChallengeResponseAuthentication noĪuthenticationMethods publickey,keyboard-interactiveĮdit the ~/.yubico/authorized_yubikeys file :: Move the binary to the lib64 directory: sudo mv /usr/local/lib/security/pam_yubico.so /lib64/security/Įdit the /etc/pam.d/sshd file: # auth substack password-authĪuth sufficient pam_yubico.so id= Then compiling (without offline validation) and installing the yubico-pam module: git clone Then compiling and installing the yubico-c-client: git clone Then you can install the package: sudo yum install pam_yubicoĬompile sudo yum install git autoconf automake asciidoc libtool pam-devel libcurl-devel help2man

Since pam_yubico only exists in the Fedora/EPEL repository which isn't enabled on Amazon Linux by default, you first have to run: sudo yum-config-manager -enable epel First, you'll need to install the package or compile it from source.

Amazon 2fa yubikey