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:237
# The system must not respond to Internet Control Message Protocol v4 (ICMPv4) echoes sent to a broadcast address.
# Per-module read mechanism curated from static teardown of DISA's SCC tool
# (SCAP Compliance Checker) -- see the SCC Automation Reference above.
# textfilecontent54_object (textfilecontent54_test)
test_1() {
[ "$(sed -En 's/([0-9]+)/\1/p' '/proc/sys/net/ipv4/icmp_echo_ignore_broadcasts')" -eq 1 ]
}
if test_1; then
echo "PASS"
else
echo "FAIL"
fi Assessment Script Powered by AISandbox-executed
A standalone Shell script to assess this control automatically. Review before running it in your environment.
Syntax-checked and actually executed in an isolated sandbox (not the real system this checks) — confirmed to run without errors.
#!/bin/sh
# OVAL Definition: oval:mil.disa.fso.rhel11:def:237
if grep -q "^net\.ipv4\.icmp_echo_ignore_broadcasts=1$" /etc/sysctl.conf; then
echo "PASS"
exit 0
else
echo "FAIL"
exit 1
fi