======5.2.2 Ensure SSH Protocol is set to 2 (Scored)====== =====Profile Applicability===== Level 1 - Server Level 1 - Workstation =====Description===== SSH supports two different and incompatible protocols: SSH1 and SSH2. SSH1 was the original protocol and was subject to security issues. SSH2 is more advanced and secure. =====Rationale===== SSH v1 suffers from insecurities that do not affect SSH v2. =====Audit===== Run the following command and verify that output matches: # grep "^Protocol" /etc/ssh/sshd_config Protocol 2 =====Remediation===== Edit the ''/etc/ssh/sshd_config'' file to set the parameter as follows: Protocol 2