{"id":3116,"date":"2017-03-22T19:06:41","date_gmt":"2017-03-22T23:06:41","guid":{"rendered":"https:\/\/antipaucity.com\/?p=3116"},"modified":"2017-03-22T19:06:41","modified_gmt":"2017-03-22T23:06:41","slug":"firewalld","status":"publish","type":"post","link":"https:\/\/merikebi.warrenmyers.com\/?p=3116","title":{"rendered":"firewalld"},"content":{"rendered":"<p>Last week, for the better part of 4.5 days, this site was offline.<\/p>\n<p>Along with, of course, <a href=\"http:\/\/skhtec.cf\">every<\/a> <a href=\"http:\/\/datente.com\">other<\/a> <a href=\"https:\/\/password.cf\">domain<\/a> <a href=\"https:\/\/antipaucity.com\/2016\/02\/24\/its-been-4-5-years\/#.WNKhiRLyuN4\">hosted<\/a> <a href=\"https:\/\/blog.warrenmyers.com\">hereon<\/a>\u00a0.<\/p>\n<p>Here&#8217;s the timeline of\u00a0<em>my actions<\/em><\/p>\n<ul>\n<li>Tuesday, reboot to update kernel revs\n<ul>\n<li>system did not come back online<\/li>\n<\/ul>\n<\/li>\n<li>over the next several days, tried all kinds of diagnostic attempts, including\n<ul>\n<li>verified host was pingable, tracerouteable, etc<\/li>\n<li>rescue environments to chroot and remove out of date packages, update boot menus, etc<\/li>\n<li>remote KVM (which is Java based, and wouldn&#8217;t run on my macOS\u00a0Sierra machine with Java 8 U121)<\/li>\n<\/ul>\n<\/li>\n<li>late Friday (or maybe it was Saturday), received a cron-generated email &#8211; which meant the\u00a0<em>server<\/em> was up\n<ul>\n<li>had a bolt of inspiration, and thought to check the firewall (but couldn&#8217;t for several hours for various reasons)<\/li>\n<\/ul>\n<\/li>\n<li>Saturday evening, using a rescue environment from my hosting provider, chroot&#8217;ed into my server, and reset firewalld\n<ul>\n<li>reboot, and bingo bango! server was back<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>So. What happened? Short version, something enabled firewalld, and setup basic rules to block\u00a0<em>everything<\/em>. And I do mean\u00a0<em>everything<\/em> &#8211; ssh, http, smtp, etc etc.<\/p>\n<p>Not sure exactly <em>how<\/em> the firewall rules got mucked-up, but that was the fix.<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Last week, for the better part of 4.5 days, this site was offline. Along with, of course, every other domain hosted hereon\u00a0. Here&#8217;s the timeline of\u00a0my actions Tuesday, reboot to update kernel revs system did not come back online over the next several days, tried all kinds of diagnostic attempts, including verified host was pingable, &hellip;<br \/><a href=\"https:\/\/merikebi.warrenmyers.com\/?p=3116\" class=\"more-link pen_button pen_element_default pen_icon_arrow_double\">Continue reading <span class=\"screen-reader-text\">firewalld<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":true,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_hide_featured_image":false,"_jetpack_featured_image_duplicate_dismissed":0,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[41],"tags":[325,618],"keyring_services":[],"class_list":["post-3116","post","type-post","status-publish","format-standard","hentry","category-technical","tag-firewalld","tag-rca"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/merikebi.warrenmyers.com\/index.php?rest_route=\/wp\/v2\/posts\/3116","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/merikebi.warrenmyers.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/merikebi.warrenmyers.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/merikebi.warrenmyers.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/merikebi.warrenmyers.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3116"}],"version-history":[{"count":0,"href":"https:\/\/merikebi.warrenmyers.com\/index.php?rest_route=\/wp\/v2\/posts\/3116\/revisions"}],"wp:attachment":[{"href":"https:\/\/merikebi.warrenmyers.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3116"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/merikebi.warrenmyers.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3116"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/merikebi.warrenmyers.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3116"},{"taxonomy":"keyring_services","embeddable":true,"href":"https:\/\/merikebi.warrenmyers.com\/index.php?rest_route=%2Fwp%2Fv2%2Fkeyring_services&post=3116"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}