5.2.2 Ensure SSH Protocol is set to 2

Information

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. SSH v1 suffers from insecurities that do not affect SSH v2.

Solution

Edit the /etc/ssh/sshd_config file to set the parameter as follows: Protocol 2

See Also

https://workbench.cisecurity.org/files/1866

Item Details

Category: CONFIGURATION MANAGEMENT

References: 800-53|CM-7b., CSCv6|3.4

Plugin: Unix

Control ID: 7d210ca96b3309c03cebd77084511f0b1bc7d3628e4e0698bf62f00f33adf024