STIGQter: STIG Summary: Red Hat Enterprise Linux 9 Security Technical Implementation Guide Version: 2 Release: 9 Benchmark Date: 01 Jul 2026:

RHEL 9 must log SSH connection attempts and failures to the server.

DISA Rule

SV-257982r1045021_rule

Vulnerability Number

V-257982

Group Title

SRG-OS-000032-GPOS-00013

Rule Version

RHEL-09-255030

Severity

CAT II

CCI(s)

• CCI-000067 - Employ automated mechanisms to monitor remote access methods.

Weight

10

Fix Recommendation

Configure RHEL 9 to log connection attempts add or modify the following line in "/etc/ssh/sshd_config" or in a file in "/etc/ssh/sshd_config.d".

LogLevel VERBOSE

Restart the SSH daemon for the settings to take effect:

$ sudo systemctl restart sshd.service

Check Contents

Verify that RHEL 9 logs SSH connection attempts and failures to the server.

Check what the SSH daemon's "LogLevel" option is set to with the following command:

$ sudo /usr/sbin/sshd -dd 2>&1 | awk '/filename/ {print $4}' | tr -d '\r' | tr '\n' ' ' | xargs sudo grep -iH '^\s*loglevel'

LogLevel VERBOSE

If a value of "VERBOSE" is not returned or the line is commented out or missing, this is a finding.

Vulnerability Number

V-257982

Documentable

False

Rule Version

RHEL-09-255030

Severity Override Guidance

Verify that RHEL 9 logs SSH connection attempts and failures to the server.

Check what the SSH daemon's "LogLevel" option is set to with the following command:

$ sudo /usr/sbin/sshd -dd 2>&1 | awk '/filename/ {print $4}' | tr -d '\r' | tr '\n' ' ' | xargs sudo grep -iH '^\s*loglevel'

LogLevel VERBOSE

If a value of "VERBOSE" is not returned or the line is commented out or missing, this is a finding.

Check Content Reference

M

Target Key

5551