{"id":136738,"date":"2024-10-08T15:57:23","date_gmt":"2024-10-08T10:27:23","guid":{"rendered":"https:\/\/www.vskills.in\/certification\/tutorial\/?page_id=136738"},"modified":"2024-10-09T16:00:45","modified_gmt":"2024-10-09T10:30:45","slug":"configuring-dnssec-with-nsd-configuring-zones","status":"publish","type":"page","link":"https:\/\/www.vskills.in\/certification\/tutorial\/configuring-dnssec-with-nsd-configuring-zones\/","title":{"rendered":"Configuring DNSSEC with NSD | Configuring Zones"},"content":{"rendered":"\n<p><strong>DNSSEC<\/strong> (Domain Name System Security Extensions) is a suite of specifications that add a layer of security to the DNS system, helping to prevent DNS spoofing and other attacks. <strong>NSD<\/strong> (Name Server Daemon) is a popular, open-source DNS server implementation that supports DNSSEC.<\/p>\n\n\n\n<h5 class=\"wp-block-heading\"><a><\/a><strong>Prerequisites:<\/strong><\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A running NSD instance.<\/li>\n\n\n\n<li>A DNS zone file for the domain you want to enable DNSSEC for.<\/li>\n\n\n\n<li>A key pair (private and public keys) generated using a tool like dnssec-keygen.<\/li>\n<\/ul>\n\n\n\n<h5 class=\"wp-block-heading\"><strong>Steps to Configure DNSSEC with NSD:<\/strong><\/h5>\n\n\n\n<ul class=\"wp-block-list\" start=\"1\">\n<li><strong>Create a DNSSEC zone:<\/strong><\/li>\n<\/ul>\n\n\n\n<p>Add the following lines to your DNS zone file:<br>key example.com. DS 256 3 5 12345678901234567890123456789012345678901234567890<br>key example.com. KSK 256 3 5 12345678901234567890123456789012345678901234567890<\/p>\n\n\n\n<p>\u2022 Replace the placeholder key values with the actual values from your key pair.<\/p>\n\n\n\n<p>Add the following line to the zone&#8217;s control section:<br>controls {<\/p>\n\n\n\n<p>&nbsp; allow-update { key example.com.; };<\/p>\n\n\n\n<p>};<\/p>\n\n\n\n<ul class=\"wp-block-list\" start=\"1\">\n<li><strong>Create a zone file for the keys:<\/strong><br>Create a new zone file for the keys (e.g., keys.example.com).<\/li>\n<\/ul>\n\n\n\n<p>Add the following lines:<br>key example.com. 256 3 5 12345678901234567890123456789012345678901234567890 13<br>key example.com. 256 3 5 12345678901234567890123456789012345678901234567890 13<\/p>\n\n\n\n<p>\u2022 Replace the placeholder key values with the actual values from your key pair.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Configure NSD to use the keys:<\/strong><br><\/li>\n\n\n\n<li>In your NSD configuration file, add the following lines:<\/li>\n\n\n\n<li>zone &#8220;example.com&#8221; {<\/li>\n\n\n\n<li>&nbsp; type master;<\/li>\n\n\n\n<li>&nbsp; file &#8220;\/etc\/bind\/example.com&#8221;;<\/li>\n\n\n\n<li>&nbsp; allow-update { key example.com.; };<\/li>\n\n\n\n<li>&nbsp; dnssec-validation yes;<\/li>\n\n\n\n<li>&nbsp; key-directory &#8220;\/etc\/bind\/keys&#8221;;<\/li>\n\n\n\n<li>};<\/li>\n<\/ul>\n\n\n\n<p>\u2022 Replace the paths with the actual paths to your zone files and key directory.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Generate the DS record:<\/strong><\/li>\n<\/ul>\n\n\n\n<p>Use the dnssec-signzone tool to generate the DS record for your zone:<br>dnssec-signzone -e example.com. -k keys.example.com. -o example.com.db<\/p>\n\n\n\n<p>\u2022 Add the generated DS record to your main zone file.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Restart NSD:<\/strong><br>\u2022 Restart the NSD service to apply the changes.<\/li>\n\n\n\n<li><strong>Verify DNSSEC:<\/strong><br>Use a DNS lookup tool like dig to verify that the DNSSEC signatures are being generated and validated correctly.<\/li>\n<\/ul>\n\n\n\n<p><strong>Note:<\/strong> This is a basic example. For more complex setups, you may need to configure additional settings, such as key rollovers and delegation. It&#8217;s recommended to consult the NSD documentation for more detailed information.<\/p>\n\n\n\n<div class=\"wp-block-buttons alignwide is-content-justification-space-between is-layout-flex wp-container-core-buttons-is-layout-3d213aab wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button is-style-fill\"><a class=\"wp-block-button__link has-content-heading-color has-text-color has-background has-link-color wp-element-button\" href=\"https:\/\/www.vskills.in\/certification\/tutorial\/transferring-a-domain-public-domains\/\" style=\"background-color:#ffffff\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>&lt;&lt;Prev<\/strong><\/a><\/div>\n\n\n\n<div class=\"wp-block-button is-style-fill\"><a class=\"wp-block-button__link has-content-heading-color has-text-color has-background has-link-color wp-element-button\" href=\"https:\/\/www.vskills.in\/certification\/tutorial\/certificate-in-dns\/\" style=\"background-color:#ffffff\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Back To The Tutorial<\/strong><\/a><\/div>\n\n\n\n<div class=\"wp-block-button is-style-fill\"><a class=\"wp-block-button__link has-content-heading-color has-text-color has-background has-link-color wp-element-button\" href=\"https:\/\/www.vskills.in\/certification\/tutorial\/installing-nsd-zone-replication\/\" style=\"background-color:#ffffff\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Next&gt;&gt;<\/strong><\/a><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>DNSSEC (Domain Name System Security Extensions) is a suite of specifications that add a layer of security to the DNS system, helping to prevent DNS spoofing and other attacks. NSD (Name Server Daemon) is a popular, open-source DNS server implementation that supports DNSSEC. Prerequisites: Steps to Configure DNSSEC with NSD: Add the following lines to&#8230;<\/p>\n","protected":false},"author":15,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-136738","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Configuring DNSSEC with NSD | Configuring Zones - Tutorial<\/title>\n<meta name=\"description\" content=\"Achieve exam success by preparing for the DNS Professional Exam with our latest materials. 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