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APPL-26-000053 The macOS system must set login grace time to 30.

DISA STIG library V1R4
All changes in this version
first version loaded CAT II

Maps to SC-10 via CCI-001133

Title

The macOS system must set login grace time to 30.

Control

Verify the macOS system is configured to set Login Grace Time to 30 with the following command: /usr/sbin/sshd -G | /usr/bin/awk '/logingracetime/{print $2}' If the result is not "30", this is a finding.

Discussion

If SSHD is enabled, it must be configured to wait only 30 seconds before timing out login attempts. Note: /etc/ssh/sshd_config will be automatically modified to its original state following any update or major upgrade to the operating system.

Related controls

CCI-001133

Fix

Configure the macOS system to set Login Grace Time to 30 with the following command: include_dir=$(/usr/bin/awk '/^Include/ {print $2}' /etc/ssh/sshd_config | /usr/bin/tr -d '*') if [[ -z $include_dir ]]; then /usr/bin/sed -i.bk "1s/.*/Include \/etc\/ssh\/sshd_config.d\/\*/" /etc/ssh/sshd_config fi /usr/bin/grep -qxF 'logingracetime 30' "${include_dir}01-mscp-sshd.conf" 2>/dev/null || echo "logingracetime 30" >> "${include_dir}01-mscp-sshd.conf" for file in $(ls ${include_dir}); do if [[ "$file" == "100-macos.conf" ]]; then continue fi if [[ "$file" == "01-mscp-sshd.conf" ]]; then break fi /bin/mv ${include_dir}${file} ${include_dir}20-${file} done