{"id":5573,"date":"2023-02-16T12:36:48","date_gmt":"2023-02-16T07:06:48","guid":{"rendered":"https:\/\/trysiteprice.com\/blog\/?p=5573"},"modified":"2023-02-16T12:36:48","modified_gmt":"2023-02-16T07:06:48","slug":"centos-redhat-turn-on-selinux-protection","status":"publish","type":"post","link":"https:\/\/trysiteprice.com\/blog\/centos-redhat-turn-on-selinux-protection\/","title":{"rendered":"CentOS \/ Redhat: Turn On SELinux Protection"},"content":{"rendered":"<p>SELinux (Security-Enhanced Linux) is a security module built into the Linux kernel that provides access control and other security features. By default, SELinux is usually enabled on CentOS and Red Hat Enterprise Linux, but it may be set to permissive mode, which logs violations but does not enforce them. To turn on SELinux protection, you can follow these steps:<\/p>\n<ol>\n<li>Check the current status of SELinux by running the following command:<\/li>\n<\/ol>\n<div class=\"bg-black mb-4 rounded-md\">\n<div class=\"flex items-center relative text-gray-200 bg-gray-800 px-4 py-2 text-xs font-sans\"><\/div>\n<div class=\"p-4 overflow-y-auto\"><code class=\"!whitespace-pre hljs\">sestatus<br \/>\n<\/code><\/div>\n<\/div>\n<p>This will show the current SELinux mode (enforcing, permissive, or disabled).<\/p>\n<ol start=\"2\">\n<li>If SELinux is currently in permissive mode, you can set it to enforcing mode by editing the <code>\/etc\/selinux\/config<\/code> file with a text editor and changing the <code>SELINUX<\/code> parameter to <code>enforcing<\/code>, like so:<\/li>\n<\/ol>\n<div class=\"bg-black mb-4 rounded-md\">\n<div class=\"flex items-center relative text-gray-200 bg-gray-800 px-4 py-2 text-xs font-sans\"><\/div>\n<div class=\"p-4 overflow-y-auto\"><code class=\"!whitespace-pre hljs language-makefile\">SELINUX=enforcing<br \/>\n<\/code><\/div>\n<\/div>\n<p>Save the file and exit.<\/p>\n<ol start=\"3\">\n<li>Reboot your system to apply the new SELinux mode. Alternatively, you can set SELinux to enforcing mode without a reboot by running the following command:<\/li>\n<\/ol>\n<div class=\"bg-black mb-4 rounded-md\">\n<div class=\"flex items-center relative text-gray-200 bg-gray-800 px-4 py-2 text-xs font-sans\"><\/div>\n<div class=\"p-4 overflow-y-auto\"><code class=\"!whitespace-pre hljs\">setenforce 1<br \/>\n<\/code><\/div>\n<\/div>\n<p>This will immediately change the SELinux mode to enforcing.<\/p>\n<ol start=\"4\">\n<li>After changing the SELinux mode, you may need to modify SELinux policy rules to allow specific services or applications to function properly. You can use tools like <code>semanage<\/code> or <code>audit2allow<\/code> to modify SELinux policy rules.<\/li>\n<\/ol>\n<p>That&#8217;s it! You have successfully turned on SELinux protection on your CentOS or Red Hat Enterprise Linux system.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>SELinux (Security-Enhanced Linux) is a security module built into the Linux kernel that provides access control and other security features. By default, SELinux is usually enabled on CentOS and Red Hat Enterprise Linux, but it may be set to permissive mode, which logs violations but does not enforce them. To turn on SELinux protection, you &#8230; <a title=\"CentOS \/ Redhat: Turn On SELinux Protection\" class=\"read-more\" href=\"https:\/\/trysiteprice.com\/blog\/centos-redhat-turn-on-selinux-protection\/\" aria-label=\"Read more about CentOS \/ Redhat: Turn On SELinux Protection\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-5573","post","type-post","status-publish","format-standard","hentry","category-best-tutorial"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>CentOS \/ Redhat: Turn On SELinux Protection - TrySitePrice<\/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:\/\/trysiteprice.com\/blog\/centos-redhat-turn-on-selinux-protection\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"CentOS \/ Redhat: Turn On SELinux Protection - TrySitePrice\" \/>\n<meta property=\"og:description\" content=\"SELinux (Security-Enhanced Linux) is a security module built into the Linux kernel that provides access control and other security features. By default, SELinux is usually enabled on CentOS and Red Hat Enterprise Linux, but it may be set to permissive mode, which logs violations but does not enforce them. To turn on SELinux protection, you ... 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