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<title data-rh="true">Configuring OpenLDAP | Rancher</title><meta data-rh="true" name="viewport" content="width=device-width,initial-scale=1"><meta data-rh="true" name="twitter:card" content="summary_large_image"><meta data-rh="true" property="og:url" content="https://ranchermanager.docs.rancher.com/v2.5/reference-guides/configure-openldap"><meta data-rh="true" name="docusaurus_locale" content="en"><meta data-rh="true" name="docsearch:language" content="en"><meta data-rh="true" name="docusaurus_version" content="2.5"><meta data-rh="true" name="docusaurus_tag" content="docs-default-2.5"><meta data-rh="true" name="docsearch:version" content="2.5"><meta data-rh="true" name="docsearch:docusaurus_tag" content="docs-default-2.5"><meta data-rh="true" property="og:title" content="Configuring OpenLDAP | Rancher"><meta data-rh="true" name="description" content="If your organization uses LDAP for user authentication, you can configure Rancher to communicate with an OpenLDAP server to authenticate users. This allows Rancher admins to control access to clusters and projects based on users and groups managed externally in the organisation's central user repository, while allowing end-users to authenticate with their LDAP credentials when logging in to the Rancher UI."><meta data-rh="true" property="og:description" content="If your organization uses LDAP for user authentication, you can configure Rancher to communicate with an OpenLDAP server to authenticate users. This allows Rancher admins to control access to clusters and projects based on users and groups managed externally in the organisation's central user repository, while allowing end-users to authenticate with their LDAP credentials when logging in to the Rancher UI."><link data-rh="true" rel="icon" href="/img/favicon.png"><link data-rh="true" rel="alternate" href="https://ranchermanager.docs.rancher.com/v2.5/reference-guides/configure-openldap" hreflang="en"><link data-rh="true" rel="alternate" href="https://ranchermanager.docs.rancher.com/zh/v2.5/reference-guides/configure-openldap" hreflang="zh"><link data-rh="true" rel="alternate" href="https://ranchermanager.docs.rancher.com/v2.5/reference-guides/configure-openldap" hreflang="x-default"><link data-rh="true" rel="preconnect" href="https://30NEY6C9UY-dsn.algolia.net" crossorigin="anonymous"><link data-rh="true" rel="canonical" href="https://ranchermanager.docs.rancher.com/pages-for-subheaders/configure-openldap"><link rel="preconnect" href="https://www.googletagmanager.com">
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class="docItemContainer_Djhp"><article><nav class="theme-doc-breadcrumbs breadcrumbsContainer_Z_bl" aria-label="Breadcrumbs"><ul class="breadcrumbs" itemscope="" itemtype="https://schema.org/BreadcrumbList"><li class="breadcrumbs__item"><a aria-label="Home page" class="breadcrumbs__link" href="/"><svg viewBox="0 0 24 24" class="breadcrumbHomeIcon_YNFT"><path d="M10 19v-5h4v5c0 .55.45 1 1 1h3c.55 0 1-.45 1-1v-7h1.7c.46 0 .68-.57.33-.87L12.67 3.6c-.38-.34-.96-.34-1.34 0l-8.36 7.53c-.34.3-.13.87.33.87H5v7c0 .55.45 1 1 1h3c.55 0 1-.45 1-1z" fill="currentColor"></path></svg></a></li><li itemscope="" itemprop="itemListElement" itemtype="https://schema.org/ListItem" class="breadcrumbs__item"><a class="breadcrumbs__link" itemprop="item" href="/v2.5/reference-guides"><span itemprop="name">Reference Guides</span></a><meta itemprop="position" content="1"></li><li itemscope="" itemprop="itemListElement" itemtype="https://schema.org/ListItem" class="breadcrumbs__item breadcrumbs__item--active"><span class="breadcrumbs__link" itemprop="name">Configuring OpenLDAP</span><meta itemprop="position" content="2"></li></ul></nav><span class="theme-doc-version-badge badge badge--secondary">Version: v2.5</span><div class="tocCollapsible_ETCw theme-doc-toc-mobile tocMobile_ITEo"><button type="button" class="clean-btn tocCollapsibleButton_TO0P">On this page</button></div><div class="theme-doc-markdown markdown"><header><h1>Configuring OpenLDAP</h1></header><p>If your organization uses LDAP for user authentication, you can configure Rancher to communicate with an OpenLDAP server to authenticate users. This allows Rancher admins to control access to clusters and projects based on users and groups managed externally in the organisation's central user repository, while allowing end-users to authenticate with their LDAP credentials when logging in to the Rancher UI.</p><h2 class="anchor anchorWithStickyNavbar_LWe7" id="prerequisites">Prerequisites<a href="#prerequisites" class="hash-link" aria-label="Direct link to Prerequisites" title="Direct link to Prerequisites"></a></h2><p>Rancher must be configured with a LDAP bind account (aka service account) to search and retrieve LDAP entries pertaining to users and groups that should have access. It is recommended to not use an administrator account or personal account for this purpose and instead create a dedicated account in OpenLDAP with read-only access to users and groups under the configured search base (see below).</p><blockquote><p><strong>Using TLS?</strong></p><p>If the certificate used by the OpenLDAP server is self-signed or not from a recognised certificate authority, make sure have at hand the CA certificate (concatenated with any intermediate certificates) in PEM format. You will have to paste in this certificate during the configuration so that Rancher is able to validate the certificate chain.</p></blockquote><h2 class="anchor anchorWithStickyNavbar_LWe7" id="configure-openldap-in-rancher">Configure OpenLDAP in Rancher<a href="#configure-openldap-in-rancher" class="hash-link" aria-label="Direct link to Configure OpenLDAP in Rancher" title="Direct link to Configure OpenLDAP in Rancher"></a></h2><p>Configure the settings for the OpenLDAP server, groups and users. For help filling out each field, refer to the <a href="/v2.5/reference-guides/configure-openldap/openldap-config-reference">configuration reference.</a></p><blockquote><p>Before you proceed with the configuration, please familiarise yourself with the concepts of <a href="/v2.5/how-to-guides/advanced-user-guides/authentication-permissions-and-global-configuration/about-authentication#external-authentication-configuration-and-principal-users">External Authentication Configuration and Principal Users</a>.</p></blockquote><ol><li>Log into the Rancher UI using the initial local <code>admin</code> account.</li><li>From the <strong>Global</strong> view, navigate to <strong>Security</strong> > <strong>Authentication</strong></li><li>Select <strong>OpenLDAP</strong>. The <strong>Configure an OpenLDAP server</strong> form will be displayed.</li></ol><h3 class="anchor anchorWithStickyNavbar_LWe7" id="test-authentication">Test Authentication<a href="#test-authentication" class="hash-link" aria-label="Direct link to Test Authentication" title="Direct link to Test Authentication"></a></h3><p>Once you have completed the configuration, proceed by testing the connection to the OpenLDAP server. Authentication with OpenLDAP will be enabled implicitly if the test is successful.</p><blockquote><p><strong>Note:</strong></p><p>The OpenLDAP user pertaining to the credentials entered in this step will be mapped to the local principal account and assigned administrator privileges in Rancher. You should therefore make a conscious decision on which LDAP account you use to perform this step.</p></blockquote><ol><li>Enter the <strong>username</strong> and <strong>password</strong> for the OpenLDAP account that should be mapped to the local principal account.</li><li>Click <strong>Authenticate With OpenLDAP</strong> to test the OpenLDAP connection and finalise the setup.</li></ol><p><strong>Result:</strong></p><ul><li>OpenLDAP authentication is configured.</li><li>The LDAP user pertaining to the entered credentials is mapped to the local principal (administrative) account.</li></ul><blockquote><p><strong>Note:</strong></p><p>You will still be able to login using the locally configured <code>admin</code> account and password in case of a disruption of LDAP services.</p></blockquote><h2 class="anchor anchorWithStickyNavbar_LWe7" id="annex-troubleshooting">Annex: Troubleshooting<a href="#annex-troubleshooting" class="hash-link" aria-label="Direct link to Annex: Troubleshooting" title="Direct link to Annex: Troubleshooting"></a></h2><p>If you are experiencing issues while testing the connection to the OpenLDAP server, first double-check the credentials entered for the service account as well as the search base configuration. You may also inspect the Rancher logs to help pinpointing the problem cause. Debug logs may contain more detailed information about the error. Please refer to <a href="/v2.5/faq/technical-items#how-can-i-enable-debug-logging">How can I enable debug logging</a> in this documentation.</p></div><footer class="theme-doc-footer docusaurus-mt-lg"><div class="theme-doc-footer-edit-meta-row row"><div class="col"><a href="https://github.com/rancher/rancher-docs/edit/main/versioned_docs/version-2.5/reference-guides/configure-openldap/configure-openldap.md" target="_blank" rel="noreferrer noopener" class="theme-edit-this-page"><svg fill="currentColor" height="20" width="20" viewBox="0 0 40 40" class="iconEdit_Z9Sw" aria-hidden="true"><g><path d="m34.5 11.7l-3 3.1-6.3-6.3 3.1-3q0.5-0.5 1.2-0.5t1.1 0.5l3.9 3.9q0.5 0.4 0.5 1.1t-0.5 1.2z m-29.5 17.1l18.4-18.5 6.3 6.3-18.4 18.4h-6.3v-6.2z"></path></g></svg>Edit this page</a></div><div class="col lastUpdated_vwxv"><span class="theme-last-updated">Last updated<!-- --> on <b><time datetime="2024-01-12T00:36:20.000Z">Jan 12, 2024</time></b></span></div></div></footer></article><nav class="pagination-nav docusaurus-mt-lg" aria-label="Docs pages"><a class="pagination-nav__link pagination-nav__link--prev" href="/v2.5/reference-guides/backup-restore-configuration/examples"><div class="pagination-nav__sublabel">Previous</div><div class="pagination-nav__label">Backup and Restore Examples</div></a><a class="pagination-nav__link pagination-nav__link--next" href="/v2.5/reference-guides/configure-openldap/openldap-config-reference"><div class="pagination-nav__sublabel">Next</div><div class="pagination-nav__label">OpenLDAP Configuration Reference</div></a></nav></div></div><div class="col col--3"><div class="tableOfContents_bqdL thin-scrollbar theme-doc-toc-desktop"><ul class="table-of-contents table-of-contents__left-border"><li><a href="#prerequisites" class="table-of-contents__link toc-highlight">Prerequisites</a></li><li><a href="#configure-openldap-in-rancher" class="table-of-contents__link toc-highlight">Configure OpenLDAP in Rancher</a><ul><li><a href="#test-authentication" class="table-of-contents__link toc-highlight">Test Authentication</a></li></ul></li><li><a href="#annex-troubleshooting" class="table-of-contents__link toc-highlight">Annex: Troubleshooting</a></li></ul></div></div></div></div></main></div></div><footer class="footer footer--dark"><div class="container container-fluid"><div class="footer__bottom text--center"><div class="footer__copyright">Copyright © 2024 SUSE Rancher. 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