{"id":7972,"date":"2026-10-14T15:15:18","date_gmt":"2026-10-14T12:15:18","guid":{"rendered":"https:\/\/support.withsecure.com\/?post_type=support_article&#038;p=7972"},"modified":"2026-10-14T15:15:18","modified_gmt":"2026-10-14T12:15:18","slug":"how-to-install-linux-security-64-in-an-offline-or-isolated-environment-without-any-internet-connection","status":"publish","type":"support_article","link":"https:\/\/support.withsecure.com\/en\/support-articles\/how-to-install-linux-security-64-in-an-offline-or-isolated-environment-without-any-internet-connection\/","title":{"rendered":"How to install Linux Security 64 in an offline or isolated environment, without any internet connection?"},"content":{"rendered":"<h3>Issue:<\/h3>\n<p>How to install Linux Security 64 in an offline or isolated environment?\u00a0 Is it possible for Linux Security 64 to operate in an environment without any internet connection?<\/p>\n<h3>Resolution:<\/h3>\n<div>It is possible to install Linux Security 64 in an isolated environment without the internet connection and without the connectivity to the Policy Manager Server.<\/div>\n<div>\u00a0<\/div>\n<div>In order to achieve this, you need to enter &quot;0.0.0.0&quot; as the Policy Manager Server address when exporting the installation package from the Policy Manager Console for stand-alone deployment on the client, which is not connected to the Policy Manager Server.<\/div>\n<div>\u00a0<\/div>\n<div>First you need to create a new policy domain in the Policy Manager Console domain tree where you enter the 0.0.0.0 address:\u00a0<\/div>\n<div>\n<ol>\n<li>Log in to the Policy Manager Console<\/li>\n<li>Right-click <strong>Root <\/strong>in the policy domain tree<\/li>\n<li>Click <strong>New policy domain<\/strong><\/li>\n<li>Enter name, for example &quot;Linux Stand-alone&quot;<\/li>\n<li>Go to the <strong>Settings <\/strong>tab<\/li>\n<li>Navigate to <strong>Linux &gt; Centralized management\u00a0<\/strong><\/li>\n<li>Enter in the <strong>Policy Manager Server address <\/strong>field: 0.0.0.0<\/li>\n<li>Distribute the policy (Ctrl + D)<\/li>\n<\/ol>\n<p>Now you can export the Linux Security 64 installer and select the newly created policy domain as the intial policy:<\/p>\n<ol>\n<li>Go to the <strong>Installation <\/strong>tab<\/li>\n<li>Click <strong>Installation packages\u00a0<\/strong><\/li>\n<li>Select the wsls64.jar package from the list and click <strong>Export<\/strong><\/li>\n<li>Enter the license keycode for Linux Security 64 and click <strong>Next<\/strong><\/li>\n<li>In the <strong>Initial policy <\/strong>stage, select <strong>Policy for <\/strong>and select the <strong>Linux Stand-alone <\/strong>policy domain and click <strong>OK<\/strong><\/li>\n<li>Click <strong>Finish<\/strong><\/li>\n<\/ol>\n<\/div>\n<div>\u00a0<\/div>\n<div>After you have created the Linux Security 64 installer, you also need to create the content package (withsecure-updates<span class=\"nonlistitem\"><span class=\"filepath\">.zip<\/span><\/span>) for isolated environments that includes all the malware definitions and engine updates. Instructions how to create the content package for isolated linux environments can be found in the Linux Security 64 user guide: <a href=\"https:\/\/support.withsecure.com\/userguides\/product.html#business\/linux-security-64\/latest\/en\/creating_content_package_for_isolated_environments-latest-en\" target=\"_blank\">Creating the content package for isolated environments | Linux Security 64 | Latest | WithSecure User Guides<\/a>\u00a0<\/div>\n<div>\u00a0<\/div>\n<div>Once it is done, please run the following command to install the product on an isolated client using the created content package (withsecure<span class=\"nonlistitem\"><span class=\"filepath\">-updates.zip<\/span><\/span>).<\/div>\n<div>\u00a0<\/div>\n<div># bash linuxsecurity-pm-installer\/linuxsecurity-installer &#8211;package=\/PATH\/TO\/withsecure-updates.zip &#8211;automatic-updates=none<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Is Linux Security 64 compatible to be used in an isolated environment?<\/p>\n","protected":false},"template":"","support_article_product":[106],"class_list":["post-7972","support_article","type-support_article","status-publish","hentry"],"acf":{"source_foreign_id":"000005440","source_version":1,"source_system":"salesforce","source_date_updated":"2026-10-14 12:15:18","import_hash":"4cd9dd8746c5d1ae1fd9338cf31dc5a7016ae82e","vanilla_article_id":"","vanilla_url":"","vanilla_kb_id":"","vanilla_category_id":"","machine_translated":false,"reactions_helpful_yes":"","reactions_helpful_no":""},"_links":{"self":[{"href":"https:\/\/support.withsecure.com\/en\/wp-json\/wp\/v2\/support_article\/7972","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/support.withsecure.com\/en\/wp-json\/wp\/v2\/support_article"}],"about":[{"href":"https:\/\/support.withsecure.com\/en\/wp-json\/wp\/v2\/types\/support_article"}],"wp:attachment":[{"href":"https:\/\/support.withsecure.com\/en\/wp-json\/wp\/v2\/media?parent=7972"}],"wp:term":[{"taxonomy":"support_article_product","embeddable":true,"href":"https:\/\/support.withsecure.com\/en\/wp-json\/wp\/v2\/support_article_product?post=7972"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}