public static final String LABELS_ldap_provider_url = "{labels.ldap_provider_url}";

    /** The key of the message: User DN */
    public static final String LABELS_ldap_security_principal = "{labels.ldap_security_principal}";

    /** The key of the message: Bind DN */
    public static final String LABELS_ldap_admin_security_principal = "{labels.ldap_admin_security_principal}";

    /** The key of the message: Password */

        fessConfig.setPurgeSuggestSearchLogDay(form.purgeSuggestSearchLogDay);
        fessConfig.setLdapProviderUrl(form.ldapProviderUrl);
        fessConfig.setLdapSecurityPrincipal(form.ldapSecurityPrincipal);
        fessConfig.setLdapAdminSecurityPrincipal(form.ldapAdminSecurityPrincipal);
        if (form.ldapAdminSecurityCredentials != null && StringUtil.isNotBlank(form.ldapAdminSecurityCredentials.replace("*", " "))) {

    /**
     * LDAP security principal for binding to the LDAP server.
     * Used for authenticating with the LDAP server.
     */
    @Size(max = 1000)
    public String ldapSecurityPrincipal;

    /**
     * LDAP admin security principal for administrative operations.
     * Used for admin-level operations on the LDAP server.
     */
    @Size(max = 1000)