{"id":7972,"date":"2009-10-20T09:32:43","date_gmt":"2009-10-20T13:32:43","guid":{"rendered":"https:\/\/www.bu.edu\/tech\/?page_id=7972"},"modified":"2013-05-02T16:11:14","modified_gmt":"2013-05-02T20:11:14","slug":"tcpwrappers","status":"publish","type":"page","link":"https:\/\/www.bu.edu\/tech\/about\/security-resources\/host-based\/tcpwrappers\/","title":{"rendered":"Using TCP Wrapper"},"content":{"rendered":"<p>TCP Wrappers is a software package that has less functionality than a full firewall but is generally available for all Unix and Linux operating systems.\u00a0 TCP Wrappers allows you to restrict access to TCP services, but not UDP or ICMP services.\u00a0 In BU Linux you can also use this to restrict access to RPC services, but this feature is not available for all operating systems and is notably missing in Solaris.<\/p>\n<p>Indiana University has provided good information on <a href=\"http:\/\/protect.iu.edu\/cybersecurity\/tcp-wrappers\">How To Use\u00a0 TCP Wrappers<\/a> that is platform independent but also includes additional information for using the software on Solaris.<\/p>\n<p>TCP Wrappers is installed automatically when a system is installed via IS&amp;T&#8217;s Jumpstart program and can also be installed via kickstart or yum on <a href=\"https:\/\/www.bu.edu\/tech\/services\/cccs\/desktop\/distribution\/\">BU Linux<\/a>.<\/p>\n<p>We also have instructions for <a href=\"https:\/\/www.bu.edu\/tech\/about\/security-resources\/host-based\/tcpwrappers_macosx\/\">Configuring TCP Wrappers on Mac OS X<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>TCP Wrappers is a software package that has less functionality than a full firewall but is generally available for all Unix and Linux operating systems.\u00a0 TCP Wrappers allows you to restrict access to TCP services, but not UDP or ICMP services.\u00a0 In BU Linux you can also use this to restrict access to RPC services,&#8230;<\/p>\n","protected":false},"author":2127,"featured_media":0,"parent":7971,"menu_order":6,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"_links":{"self":[{"href":"https:\/\/www.bu.edu\/tech\/wp-json\/wp\/v2\/pages\/7972"}],"collection":[{"href":"https:\/\/www.bu.edu\/tech\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.bu.edu\/tech\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.bu.edu\/tech\/wp-json\/wp\/v2\/users\/2127"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bu.edu\/tech\/wp-json\/wp\/v2\/comments?post=7972"}],"version-history":[{"count":14,"href":"https:\/\/www.bu.edu\/tech\/wp-json\/wp\/v2\/pages\/7972\/revisions"}],"predecessor-version":[{"id":16942,"href":"https:\/\/www.bu.edu\/tech\/wp-json\/wp\/v2\/pages\/7972\/revisions\/16942"}],"up":[{"embeddable":true,"href":"https:\/\/www.bu.edu\/tech\/wp-json\/wp\/v2\/pages\/7971"}],"wp:attachment":[{"href":"https:\/\/www.bu.edu\/tech\/wp-json\/wp\/v2\/media?parent=7972"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}