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RHEL-09-255165 RHEL 9 SSH daemon must display the date and time of the last successful account logon upon an SSH logon.

DISA STIG library V2R10
All changes in this version
first version loaded CAT II

Maps to CM-6 via CCI-000366

Title

RHEL 9 SSH daemon must display the date and time of the last successful account logon upon an SSH logon.

Control

Verify the SSH daemon provides users with feedback on when account accesses last occurred 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*printlastlog' PrintLastLog yes If the "PrintLastLog" keyword is set to "no", the returned line is commented out, or no output is returned, this is a finding.

Discussion

Providing users feedback on when account accesses last occurred facilitates user recognition and reporting of unauthorized account use.

Related controls

CCI-000366

Fix

Configure the SSH daemon to provide users with feedback on when account accesses last occurred. Add the following line to "/etc/ssh/sshd_config" or to a file in "/etc/ssh/sshd_config.d", or uncomment the line and set the value to "yes": PrintLastLog yes The SSH service must be restarted for changes to take effect: $ sudo systemctl restart sshd.service