{"id":43103,"date":"2019-05-29T15:37:32","date_gmt":"2019-05-29T20:37:32","guid":{"rendered":"https:\/\/www.inmotionhosting.com\/support\/?p=43103"},"modified":"2021-11-19T01:30:20","modified_gmt":"2021-11-19T06:30:20","slug":"server-security-block-ports-csf","status":"publish","type":"post","link":"https:\/\/www.inmotionhosting.com\/support\/security\/server-security-block-ports-csf\/","title":{"rendered":"Block Ports in ConfigServer Security &#038; Firewall (CSF)"},"content":{"rendered":"<p>There are many <a href=\"\/support\/security\/server-security-best-practices\/\" rel=\"noopener noreferrer\" target=\"_blank\">security practices<\/a> for your private cloud hosting. VPS users looking for enhanced security can <a href=\"\/support\/security\/install-csf\/\" rel=\"noopener noreferrer\" target=\"_blank\">upgrade Advanced Policy Firewall (APF) to ConfigServer Security &amp; Firewall (CSF)<\/a>. Below we cover how to <strong>block VPS ports using CSF<\/strong>.<\/p>\n<a class=\"btn btn-primary\" href=\"#temporary\" type=\"button\">Temporary<\/a>\n<a class=\"btn btn-primary\" href=\"#permanent\" type=\"button\">Permanent<\/a>\n<br>\n<p class=\"alert alert-info\"><strong>Note:<\/strong> You\u2019ll need to <a href=\"\/support\/edu\/whm\/log-into-whm\/#whm-root-access\" rel=\"noopener noreferrer\" target=\"_blank\">log into WHM as root<\/a> and select <strong>ConfigServer Security &amp; Firewall<\/strong>. APF users can <a href=\"\/support\/security\/install-csf\/\" rel=\"noopener noreferrer\" target=\"_blank\">upgrade if desired<\/a>.<\/p>\n<a name=\"temporary\"><\/a>\n<h2>Temporarily Block Access to a Port<\/h2>\n<ol class=\"article_list\">\n<li>Under <em>csf \u2013 ConfigServer Firewall<\/em>, specify the <strong>IP address<\/strong>, <strong>port(s)<\/strong>, and <strong>number<\/strong> of seconds, minutes, hours, or days.\n    <br><a href=\"https:\/\/www.inmotionhosting.com\/support\/images\/stories\/whm\/csf\/csf-temp-allow-deny.png\" rel=\"lightbox-0\"><img decoding=\"async\" alt=\"temporary allow\/deny\" class=\"std_ss\" src=\"https:\/\/www.inmotionhosting.com\/support\/images\/stories\/whm\/csf\/csf-temp-allow-deny.png\" title=\"Click for full image\" align=\"none\"><\/a><div style=\"clear:both;\"><\/div><\/li>\n<li>Press <strong>Temporary Allow\/Deny<\/strong>.<\/li><\/ol>\n<a name=\"permanent\"><\/a>\n<h2>Specify Open &amp; Closed Ports<\/h2>\n<ol class=\"article_list\">\n<li>Under <em>csf \u2013 ConfigServer Firewall<\/em>, select <strong>Firewall Configuration<\/strong>.<\/li>\n<li>Add or remove ports listed in the following sections:\n  <br>IPv4 Port Settings \u2013 TCP_IN, TCP_OUT, UDP_IN, UDP_OUT\n  <br>IPv6 Port Settings \u2013 TCP6_IN, TCP6_OUT, UDP_IN, UDP_OUT<\/li>\n<li>Press <strong>Change<\/strong> at the bottom, then <strong>Restart csf+lfd<\/strong>. Press <strong>Return<\/strong> at the bottom.<\/li><\/ol>\n<br><p>Further improve your VPS security by <a href=\"\/support\/email\/schedule-blacklist-email-reports-csf\/\" rel=\"noopener noreferrer\" target=\"_blank\">scheduling email blacklist reports<\/a> and configuring <a href=\"\/support\/product-guides\/dedicated-hosting\/cphulk\" rel=\"noopener noreferrer\" target=\"_blank\">cPHulk<\/a>.<\/p>\n\n\n\n<p>After configuring your firewall, audit your <a href=\"https:\/\/www.inmotionhosting.com\/support\/security\/how-to-view-listening-ports-with-configserver-security-firewall-csf\/\">open ports<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>There are many security practices for your private cloud hosting. VPS users looking for enhanced security can upgrade Advanced Policy Firewall (APF) to ConfigServer Security &amp; Firewall (CSF). Below we cover how to block VPS ports using CSF. Temporary Permanent Note: You\u2019ll need to log into WHM as root and select ConfigServer Security &amp; Firewall.<a class=\"moretag\" href=\"https:\/\/www.inmotionhosting.com\/support\/security\/server-security-block-ports-csf\/\"> Read More ><\/a><\/p>\n","protected":false},"author":57014,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[4299],"tags":[],"class_list":["post-43103","post","type-post","status-publish","format-standard","hentry","category-security"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Block Ports in ConfigServer Security &amp; Firewall (CSF) | InMotion Hosting<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.inmotionhosting.com\/support\/security\/server-security-block-ports-csf\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Block Ports in ConfigServer Security &amp; Firewall (CSF) | InMotion Hosting\" \/>\n<meta property=\"og:description\" content=\"There are many security practices for your private cloud hosting. VPS users looking for enhanced security can upgrade Advanced Policy Firewall (APF) to ConfigServer Security &amp; Firewall (CSF). Below we cover how to block VPS ports using CSF. Temporary Permanent Note: You\u2019ll need to log into WHM as root and select ConfigServer Security &amp; Firewall. Read More &gt;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.inmotionhosting.com\/support\/security\/server-security-block-ports-csf\/\" \/>\n<meta property=\"og:site_name\" content=\"InMotion Hosting Support Center\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/inmotionhosting\/\" \/>\n<meta property=\"article:published_time\" content=\"2019-05-29T20:37:32+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2021-11-19T06:30:20+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.inmotionhosting.com\/support\/images\/stories\/whm\/csf\/csf-temp-allow-deny.png\" \/>\n<meta name=\"author\" content=\"InMotion Hosting Contributor\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@https:\/\/twitter.com\/InMotionHosting\" \/>\n<meta name=\"twitter:site\" content=\"@InMotionHosting\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"InMotion Hosting Contributor\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.inmotionhosting.com\/support\/security\/server-security-block-ports-csf\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.inmotionhosting.com\/support\/security\/server-security-block-ports-csf\/\"},\"author\":{\"name\":\"InMotion Hosting Contributor\",\"@id\":\"https:\/\/www.inmotionhosting.com\/support\/#\/schema\/person\/f9a4fc454cd1df128ee8e898d30d4644\"},\"headline\":\"Block Ports in ConfigServer Security &#038; 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