UCF STIG Viewer Logo
Changes are coming to https://stigviewer.com. Take our survey to help us understand your usage and how we can better serve you in the future.
Take Survey

The SSH daemon must be configured to only use the SSHv2 protocol.


Overview

Finding ID Version Rule ID IA Controls Severity
V-220108 GEN005500 SV-220108r603266_rule High
Description
SSHv1 is not a DoD-approved protocol and has many well-known vulnerability exploits. Exploits of the SSH daemon could provide immediate root access to the system.
STIG Date
Solaris 10 X86 Security Technical Implementation Guide 2020-12-04

Details

Check Text ( C-21817r490075_chk )
Check the SSH daemon configuration for allowed protocol versions.

# grep -i protocol /etc/ssh/sshd_config | grep -v '^#'

If the variables Protocol 2,1 or Protocol 1 are defined on a line without a leading comment, this is a finding.
Fix Text (F-21816r490076_fix)
Edit the configuration file and modify the Protocol line to look like:

Protocol 2

Reload sshd:
kill -HUP