{"description": "When network services are using the <tt>xinetd</tt> service, the\n<tt>tcp_wrappers</tt> package should be installed.\nThe <code>tcp_wrappers</code> package can be installed with the following command:\n<pre>\n$ apt-get install tcp_wrappers</pre>", "rationale": "Access control methods provide the ability to enhance system security posture\nby restricting services and known good IP addresses and address ranges. This\nprevents connections from unknown hosts and protocols.", "severity": "medium", "references": {"cis-csc": ["11", "3", "9"], "cobit5": ["BAI10.01", "BAI10.02", "BAI10.03", "BAI10.05"], "isa-62443-2009": ["4.3.4.3.2", "4.3.4.3.3"], "isa-62443-2013": ["SR 7.6"], "iso27001-2013": ["A.12.1.2", "A.12.5.1", "A.12.6.2", "A.14.2.2", "A.14.2.3", "A.14.2.4"], "nist": ["CM-6(a)"], "nist-csf": ["PR.IP-1"], "srg": ["SRG-OS-000480-GPOS-00227"]}, "control_references": {}, "components": [], "identifiers": {}, "ocil_clause": "the package is not installed", "ocil": " Run the following command to determine if the <code>tcp_wrappers</code> package is installed: <pre>$ dpkg -l  tcp_wrappers</pre>", "oval_external_content": null, "fixtext": "", "checktext": "", "vuldiscussion": "", "srg_requirement": "", "warnings": [], "conflicts": [], "requires": [], "policy_specific_content": {}, "platform": null, "platforms": [], "sce_metadata": {}, "inherited_platforms": ["system_with_kernel"], "cpe_platform_names": [], "inherited_cpe_platform_names": ["system_with_kernel"], "bash_conditional": null, "fixes": {}, "title": "Install tcp_wrappers Package", "definition_location": "/aptdata/openscap/scap-security-guide/linux_os/guide/services/obsolete/inetd_and_xinetd/package_tcp_wrappers_installed/rule.yml", "template": {"name": "package_installed", "vars": {"pkgname": "tcp_wrappers"}, "backends": {}}}