{"description": "The <code>iptables</code> package can be installed with the following command:\n<pre>\n$ apt-get install iptables</pre>", "rationale": "<tt>iptables</tt> controls the Linux kernel network packet filtering\ncode. <tt>iptables</tt> allows system operators to set up firewalls and IP\nmasquerading, etc.", "severity": "medium", "references": {"nist": ["CM-6(a)"], "pcidss": ["Req-1.4.1"], "srg": ["SRG-OS-000480-GPOS-00227"], "cis": ["4.3.1.1"]}, "control_references": {"cis": ["4.3.1.1"]}, "components": [], "identifiers": {}, "ocil_clause": "the package is not installed", "ocil": " Run the following command to determine if the <code>iptables</code> package is installed: <pre>$ dpkg -l  iptables</pre>", "oval_external_content": null, "fixtext": "", "checktext": "", "vuldiscussion": "", "srg_requirement": "", "warnings": [], "conflicts": [], "requires": [], "policy_specific_content": {}, "platform": "system_with_kernel and not rhcos4-rhel9 and service_disabled[nftables] and service_disabled[ufw]", "platforms": ["system_with_kernel and not rhcos4-rhel9 and service_disabled[nftables] and service_disabled[ufw]"], "sce_metadata": {}, "inherited_platforms": [], "cpe_platform_names": ["not_rhcos4-rhel9_and_service_disabled_nftables_and_service_disabled_ufw_and_system_with_kernel"], "inherited_cpe_platform_names": [], "bash_conditional": null, "fixes": {}, "title": "Install iptables Package", "definition_location": "/aptdata/openscap/scap-security-guide/linux_os/guide/system/network/network-iptables/package_iptables_installed/rule.yml", "template": {"name": "package_installed_guard_var", "vars": {"pkgname": "iptables", "variable": "var_network_filtering_service", "value": "iptables"}, "backends": {}}}