The reconstructed evaluation script behind this rule's OVAL check(s) — every module a compound check combines, with this rule's own concrete values and DISA's SCC tool's real per-module mechanism curated from static teardown of SCC releases.
#!/bin/bash
# Reconstructed from oval:mil.disa.fso.rhel11:def:331
# The SSH daemon must be configured to only use FIPS 140-2 approved ciphers.
# Per-module read mechanism curated from static teardown of DISA's SCC tool
# (SCAP Compliance Checker) -- see the SCC Automation Reference above.
# Check value of Ciphers in /etc/ssh/sshd_config
# textfilecontent54_object (textfilecontent54_test)
test_1() {
(sed -En 's/^[
]*[Cc][Ii][Pp][Hh][Ee][Rr][Ss][
]+([^
]*)[
]*$/\1/p' '/etc/ssh/sshd_config') | grep -Pq '^((aes|3des)[^,]*,?)+$'
}
if test_1; then
echo "PASS"
else
echo "FAIL"
fi Assessment Script Powered by AISandbox-executed
A standalone Shell script to assess this control automatically. Review before running it in your environment.
Syntax-checked and actually executed in an isolated sandbox (not the real system this checks) — confirmed to run without errors.
#!/bin/sh
# OVAL Definition: oval:mil.disa.fso.rhel11:def:331
config_file="/etc/ssh/sshd_config"
if [ ! -f "$config_file" ]; then
echo "PASS"
exit 0
fi
grep -q "^Ciphers " "$config_file" || {
echo "PASS"
exit 0
}
awk '/^Ciphers / {print $2}' "$config_file" | \
grep -E '^((aes|3des)[^,]*,?)+$' > /dev/null
if [ $? -eq 0 ]; then
echo "PASS"
else
echo "FAIL"
fi
exit 0