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.stig.ol9os:def:271877
# OL 9 must not accept router advertisements on all IPv6 interfaces.
# Per-module read mechanism curated from static teardown of DISA's SCC tool
# (SCAP Compliance Checker) -- see the SCC Automation Reference above.
# net.ipv6.conf.all.accept_ra setting in kernel is set to 0
# sysctl_object (sysctl_test)
test_1() {
[ "$(cat /proc/sys/net/ipv6/conf/all/accept_ra)" -eq 0 ]
}
if test_1; then
echo "PASS"
else
echo "FAIL"
fi Assessment Script Powered by AISandbox-executed
A standalone Shell script to assess this control automatically. Review before running it in your environment.
Syntax-checked and actually executed in an isolated sandbox (not the real system this checks) — confirmed to run without errors.
#!/bin/sh
# oval:mil.disa.stig.ol9os:def:271877
if [ ! -f "/etc/sysctl.d/000-default.conf" ]; then echo "PASS"; exit 0; fi
if [ ! -f "/etc/sysctl.d/999-sysctl.conf" ]; then echo "PASS"; exit 0; fi
if grep -q "^net.ipv6.conf.all.accept_ra = 0$" /etc/sysctl.d/{000-default.conf,999-sysctl.conf}; then echo "PASS"; exit 0; fi
echo "FAIL"; exit 1