Dell Force10 MXL Blade MXL 10/40GbE Switch IO Module Configuration Guide - Page 500

www.dell.com | support.dell.com To configure host-based authentication, use the following steps: Step 1 2 Task Command Syntax Command Mode Configure RSA Authentication. Refer to RSA Authentication of SSH above. Create shosts by copying the public RSA key to the to the file shosts in the diretory .ssh, and write the IP address of the host to the file (Figure 28-12). Figure 28-12. Creating shosts cp /etc/ssh/ssh_host_rsa_key.pub /.ssh/shosts admin@Unix_client# cd /etc/ssh admin@Unix_client# ls moduli sshd_config ssh_host_dsa_key.pub ssh_host_rsa_key.pub ssh_config ssh_host_dsa_key ssh_host_key.pub ssh_host_key ssh_host_rsa_key admin@Unix_client# cat ssh_host_rsa_key.pub ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAIEA8K7jLZRVfjgHJzUOmXxuIbZx/ AyWhVgJDQh39k8v3e8eQvLnHBIsqIL8jVy1QHhUeb7GaDlJVEDAMz30myqQbJgXBBRTWgBpLWwL/ doyUXFufjiL9YmoVTkbKcFmxJEMkE3JyHanEi7hg34LChjk9hL1by8cYZP2kYS2lnSyQWk= admin@Unix_client# ls id_rsa id_rsa.pub shosts admin@Unix_client# cat shosts 10.16.127.201, ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAIEA8K7jLZRVfjgHJzUOmXxuIbZx/AyW hVgJDQh39k8v3e8eQvLnHBIsqIL8jVy1QHhUeb7GaDlJVEDAMz30myqQbJgXBBRTWgBpLWwL/ 3 Create a list of IP addresses and usernames that are permitted to SSH in a file called rhosts (Figure 28-13). Figure 28-13. Creating rhosts admin@Unix_client# ls id_rsa id_rsa.pub rhosts shosts admin@Unix_client# cat rhosts 10.16.127.201 admin 4 Copy the file shosts and rhosts to the Dell Force10 system. 5 Disable password authentication and • no ip ssh password-authentication RSA authentication, if configured • no ip ssh rsa-authentication 6 Enable host-based authentication. ip ssh hostbased-authentication enable 7 Bind shosts and rhosts to host-based ip ssh pub-key-file flash://filename authentication. ip ssh rhostsfile flash://filename • CONFIGURATION • EXEC Privilege CONFIGURATION CONFIGURATION 498 | Security