{"description": "If the <tt>auditd</tt> daemon is configured to use the\n<tt>augenrules</tt> program to read audit rules during daemon startup (the\ndefault), add the following lines to a file with suffix <tt>.rules</tt> in the\ndirectory <tt>/etc/audit/rules.d</tt>, setting ARCH to either b32 for\n32-bit system, or having two lines for both b32 and b64 in case your system\nis 64-bit:\n<pre>-a always,exit -F arch=ARCH -S sethostname,setdomainname -F key=audit_rules_networkconfig_modification\n-w /etc/issue -p wa -k audit_rules_networkconfig_modification\n-w /etc/issue.net -p wa -k audit_rules_networkconfig_modification\n-w /etc/hosts -p wa -k audit_rules_networkconfig_modification\n\n-w /etc/networks -p wa -k audit_rules_networkconfig_modification\n-w /etc/network/ -p wa -k audit_rules_networkconfig_modification</pre>\n\nIf the <tt>auditd</tt> daemon is configured to use the <tt>auditctl</tt>\nutility to read audit rules during daemon startup, add the following lines to\n<tt>/etc/audit/audit.rules</tt> file, setting ARCH to either b32 for\n32-bit system, or having two lines for both b32 and b64 in case your system\nis 64-bit:\n<pre>-a always,exit -F arch=ARCH -S sethostname,setdomainname -F key=audit_rules_networkconfig_modification\n-w /etc/issue -p wa -k audit_rules_networkconfig_modification\n-w /etc/issue.net -p wa -k audit_rules_networkconfig_modification\n-w /etc/hosts -p wa -k audit_rules_networkconfig_modification\n-w /etc/networks -p wa -k audit_rules_networkconfig_modification\n-w /etc/network/ -p wa -k audit_rules_networkconfig_modification</pre>", "rationale": "The network environment should not be modified by anything other\nthan administrator action. Any change to network parameters should be\naudited.", "severity": "medium", "references": {"cis-csc": ["1", "11", "12", "13", "14", "15", "16", "19", "2", "3", "4", "5", "6", "7", "8", "9"], "cjis": ["5.4.1.1"], "cobit5": ["APO10.01", "APO10.03", "APO10.04", "APO10.05", "APO11.04", "APO12.06", "APO13.01", "BAI03.05", "BAI08.02", "DSS01.03", "DSS01.04", "DSS02.02", "DSS02.04", "DSS02.07", "DSS03.01", "DSS03.05", "DSS05.02", "DSS05.03", "DSS05.04", "DSS05.05", "DSS05.07", "MEA01.01", "MEA01.02", "MEA01.03", "MEA01.04", "MEA01.05", "MEA02.01"], "cui": ["3.1.7"], "hipaa": ["164.308(a)(1)(ii)(D)", "164.308(a)(3)(ii)(A)", "164.308(a)(5)(ii)(C)", "164.312(a)(2)(i)", "164.312(b)", "164.312(d)", "164.312(e)"], "isa-62443-2009": ["4.2.3.10", "4.3.2.6.7", "4.3.3.3.9", "4.3.3.5.8", "4.3.3.6.6", "4.3.4.4.7", "4.3.4.5.6", "4.3.4.5.7", "4.3.4.5.8", "4.4.2.1", "4.4.2.2", "4.4.2.4"], "isa-62443-2013": ["SR 1.13", "SR 2.10", "SR 2.11", "SR 2.12", "SR 2.6", "SR 2.8", "SR 2.9", "SR 3.1", "SR 3.5", "SR 3.8", "SR 4.1", "SR 4.3", "SR 5.1", "SR 5.2", "SR 5.3", "SR 6.1", "SR 6.2", "SR 7.1", "SR 7.6"], "iso27001-2013": ["A.11.2.6", "A.12.4.1", "A.12.4.2", "A.12.4.3", "A.12.4.4", "A.12.7.1", "A.13.1.1", "A.13.2.1", "A.14.1.3", "A.14.2.7", "A.15.2.1", "A.15.2.2", "A.16.1.4", "A.16.1.5", "A.16.1.7", "A.6.2.1", "A.6.2.2"], "nist": ["AU-2(d)", "AU-12(c)", "AC-6(9)", "CM-6(a)"], "nist-csf": ["DE.AE-3", "DE.AE-5", "DE.CM-1", "DE.CM-3", "DE.CM-7", "ID.SC-4", "PR.AC-3", "PR.PT-1", "PR.PT-4", "RS.AN-1", "RS.AN-4"], "pcidss": ["Req-10.5.5"], "anssi": ["R73"], "cis": ["6.3.3.5"], "ism": ["0582"], "pcidss4": ["10.3.4", "10.3"]}, "control_references": {"anssi": ["R73"], "cis": ["6.3.3.5"], "ism": ["0582"], "pcidss4": ["10.3.4", "10.3"]}, "components": [], "identifiers": {}, "ocil_clause": "the system is not configured to audit changes of the network configuration", "ocil": "To determine if the system is configured to audit changes to its network configuration,\nrun the following command:\n<pre>auditctl -l | grep -E '(/etc/issue|/etc/issue.net|/etc/hosts|/etc/networks|/etc/network/)'</pre>\n\nIf the system is configured to watch for network configuration changes, a line should be returned for\neach file specified (and <tt>perm=wa</tt> should be indicated for each).", "oval_external_content": null, "fixtext": "", "checktext": "", "vuldiscussion": "", "srg_requirement": "", "warnings": [], "conflicts": [], "requires": [], "policy_specific_content": {}, "platform": null, "platforms": [], "sce_metadata": {}, "inherited_platforms": ["package[audit]", "system_with_kernel"], "cpe_platform_names": [], "inherited_cpe_platform_names": ["system_with_kernel", "package_audit"], "bash_conditional": null, "fixes": {}, "title": "Record Events that Modify the System's Network Environment", "definition_location": "/aptdata/openscap/scap-security-guide/linux_os/guide/auditing/auditd_configure_rules/audit_rules_networkconfig_modification/rule.yml", "template": null}