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-4295 GEN005500 SV-4295r2_rule DCPP-1 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
VMware ESX 3 Server 2016-05-13

Details

Check Text ( C-1875r2_chk )
Examine the sshd configuration file.
cat /opt/ssh/etc/sshd_config | tr '\011' ' ' | tr -s ' ' | sed -e 's/^[ \t]*//' | grep -v '^#' | grep -i "Protocol"

If Protocol 2,1 or Protocol 1 are defined on a line without a leading comment, this is a finding.
Fix Text (F-4206r2_fix)
Edit the configuration file and modify the Protocol line.

Protocol 2

Restart sshd:

/sbin/init.d/secsh stop
/sbin/init.d/secsh start