{"id":4553,"date":"2012-02-01T08:46:00","date_gmt":"2012-02-01T08:46:00","guid":{"rendered":""},"modified":"2026-04-18T22:49:18","modified_gmt":"2026-04-18T22:49:18","slug":"what-ports-are-open-on-my-system","status":"publish","type":"post","link":"https:\/\/hellem.org\/wblog\/?p=4553","title":{"rendered":"What ports are open on my system?"},"content":{"rendered":"<p>Had an issue today trying to figure out which port to use in order to access a test installation of <a href=\"http:\/\/www.atlassian.com\/software\/jira\/overview\">Atlassian JIRA<\/a> installed by someone else ages ago. The command was simple:<\/p>\n<p><code>nmap -sS -O 127.0.0.1<\/code><\/p>\n<p>Thanks to <a href=\"http:\/\/www.linux-noob.com\/forums\/index.php?\/topic\/1262-check-what-ports-are-open\/\">http:\/\/www.linux-noob.com<\/a> and the frequent member xDamox who created the post back in 2005.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Had an issue today trying to figure out which port to use in order to access a test installation of Atlassian JIRA installed by someone else ages ago. The command was simple: nmap -sS -O 127.0.0.1 Thanks to http:\/\/www.linux-noob.com and the frequent member xDamox who created the post back in 2005.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-4553","post","type-post","status-publish","format-standard","hentry","category-work-geek"],"_links":{"self":[{"href":"https:\/\/hellem.org\/wblog\/index.php?rest_route=\/wp\/v2\/posts\/4553","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hellem.org\/wblog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hellem.org\/wblog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hellem.org\/wblog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hellem.org\/wblog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4553"}],"version-history":[{"count":1,"href":"https:\/\/hellem.org\/wblog\/index.php?rest_route=\/wp\/v2\/posts\/4553\/revisions"}],"predecessor-version":[{"id":13059,"href":"https:\/\/hellem.org\/wblog\/index.php?rest_route=\/wp\/v2\/posts\/4553\/revisions\/13059"}],"wp:attachment":[{"href":"https:\/\/hellem.org\/wblog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4553"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hellem.org\/wblog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4553"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hellem.org\/wblog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4553"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}