{"id":18817,"date":"2020-11-19T14:57:26","date_gmt":"2020-11-19T06:57:26","guid":{"rendered":"https:\/\/web.mwwsb.com.my\/pjci\/?post_type=kb&#038;p=18817"},"modified":"2022-09-07T21:40:14","modified_gmt":"2022-09-07T13:40:14","slug":"disable-recursive-dns-dns-recursion","status":"publish","type":"kb","link":"https:\/\/www.casbay.com\/guide\/kb\/disable-recursive-dns-dns-recursion","title":{"rendered":"Disable Recursive DNS\/DNS Recursion"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"18817\" class=\"elementor elementor-18817\" data-elementor-post-type=\"kb\">\n\t\t\t\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-844955d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"844955d\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-9a866e5\" data-id=\"9a866e5\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c2d6fc9 elementor-widget elementor-widget-heading\" data-id=\"c2d6fc9\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-medium\">Disable Recursive DNS\/DNS Recursion<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-289d530 elementor-widget elementor-widget-text-editor\" data-id=\"289d530\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Sometimes a recursive DNS queries occur. This happens when information is requested from a <a href=\"https:\/\/www.cloudflare.com\/learning\/dns\/what-is-a-dns-server\/\" rel=\"noopener\">DNS server<\/a> that does not &#8220;own&#8221; a domain to query subsequent DNS servers until DNS information and the answer is returned.<\/p><p>The servers with recursive DNS queries enabled are vulnerable to fake requests that can flood the server with the results of each query. This overwhelms the server with a volume of traffic that is too large to be processed. Eventually, the performance degrades. In this case, it is known as a DOS\/DDOS (Denial of Service\/Distributed Denial of Service) Attack.<\/p><p>There are ways to disable DNS Recursion on your server. You can simply follow the steps below:<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b0217f0 elementor-widget elementor-widget-text-editor\" data-id=\"b0217f0\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><strong><span style=\"text-decoration: underline;\">Disable Recursion in Plesk<\/span><\/strong><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a70fdcb elementor-widget elementor-widget-text-editor\" data-id=\"a70fdcb\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ol><li>Firstly, log into the Plesk Admin Panel.<\/li><li>Select Tools and Settings.<\/li><li>Next, click DNS Template Settings from the section.<\/li><li>Select Localnets from the DNS Recursion section.<\/li><li>Lastly, click the OK button.<\/li><\/ol>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0e3c4dc elementor-widget elementor-widget-text-editor\" data-id=\"0e3c4dc\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><strong><span style=\"text-decoration: underline;\">Disable Recursion in Windows Server 2003 and 2008<\/span><\/strong><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-66cd088 elementor-widget elementor-widget-text-editor\" data-id=\"66cd088\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ol><li>Access the\u00a0<strong>DNS Manager<\/strong>\u00a0from the\u00a0<strong>Start<\/strong>\u00a0menu:<ul><li>Click the\u00a0<strong>Start<\/strong>\u00a0button.<\/li><li>Select\u00a0<strong>Administrative Tools<\/strong>.<\/li><li>Select\u00a0<strong>DNS<\/strong>.<\/li><\/ul><\/li><li>Right-click on the desired <strong>DNS Server<\/strong>\u00a0in the\u00a0<strong>Console Tree<\/strong>.<\/li><li>Select the\u00a0<strong>Properties<\/strong>\u00a0tab.<\/li><li>Click the <strong>Advanced<\/strong>\u00a0button in the\u00a0<strong>Server Options<\/strong>\u00a0section.<\/li><li>Select the\u00a0<strong>Disable Recursion<\/strong>\u00a0checkbox.<\/li><li>Click the\u00a0<strong>OK<\/strong>\u00a0button.<\/li><\/ol>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-49db61b elementor-widget elementor-widget-text-editor\" data-id=\"49db61b\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"text-decoration: underline;\"><strong>Disable Recursion in Linux<\/strong><\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-24a10ba elementor-widget elementor-widget-text-editor\" data-id=\"24a10ba\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>1. Locate the BIND configuration file within the operating system. You can find the BIND configuration file in one of the following paths:<br \/>Open the named.conf file in your preferred editor<\/p><p>\/etc\/bind\/named.conf<br \/>\/etc\/named.conf<\/p><p>2. Add the following details to the Options section:<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5a4d6a2 elementor-widget elementor-widget-image\" data-id=\"5a4d6a2\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/casbay.com\/guide\/wp-content\/uploads\/2021\/02\/Screenshot-2020-11-20-at-6.59.35-AM.png\" title=\"\" alt=\"\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-31f86f4 elementor-widget elementor-widget-text-editor\" data-id=\"31f86f4\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>3. Restart the device.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fba177b elementor-widget elementor-widget-text-editor\" data-id=\"fba177b\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Read the next article which you might be interested in: <a href=\"https:\/\/www.casbay.com\/guide\/kb\/dns-propagation-ttl\/\"><em>DNS Propagation &amp; TTL<\/em><\/a><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Disable Recursive DNS\/DNS Recursion Sometimes a recursive DNS queries occur. This happens when information is requested from a DNS server that does not &#8220;own&#8221; a domain to query subsequent DNS servers until DNS information and the answer is returned. The servers with recursive DNS queries enabled are vulnerable to fake requests that can flood the [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"no-sidebar","site-content-layout":"page-builder","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}}},"kbtopic":[118],"kbtag":[106],"mkb_version":[],"_links":{"self":[{"href":"https:\/\/www.casbay.com\/guide\/wp-json\/wp\/v2\/kb\/18817"}],"collection":[{"href":"https:\/\/www.casbay.com\/guide\/wp-json\/wp\/v2\/kb"}],"about":[{"href":"https:\/\/www.casbay.com\/guide\/wp-json\/wp\/v2\/types\/kb"}],"author":[{"embeddable":true,"href":"https:\/\/www.casbay.com\/guide\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.casbay.com\/guide\/wp-json\/wp\/v2\/comments?post=18817"}],"version-history":[{"count":10,"href":"https:\/\/www.casbay.com\/guide\/wp-json\/wp\/v2\/kb\/18817\/revisions"}],"predecessor-version":[{"id":36905,"href":"https:\/\/www.casbay.com\/guide\/wp-json\/wp\/v2\/kb\/18817\/revisions\/36905"}],"wp:attachment":[{"href":"https:\/\/www.casbay.com\/guide\/wp-json\/wp\/v2\/media?parent=18817"}],"wp:term":[{"taxonomy":"kbtopic","embeddable":true,"href":"https:\/\/www.casbay.com\/guide\/wp-json\/wp\/v2\/kbtopic?post=18817"},{"taxonomy":"kbtag","embeddable":true,"href":"https:\/\/www.casbay.com\/guide\/wp-json\/wp\/v2\/kbtag?post=18817"},{"taxonomy":"mkb_version","embeddable":true,"href":"https:\/\/www.casbay.com\/guide\/wp-json\/wp\/v2\/mkb_version?post=18817"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}