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| !!1.Connectivity and user lookup |
| !!!1. Connectivity settings |
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| !LDAP server URL, fully qualified user name and password of an LDAP account used for queries: |
| LDAP server URL, fully qualified user name and password of an LDAP account used for queries. |
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| Multiple server URLs supported, for high availability, the plugin will round robin between these, need to enter those as comma separated list. |
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| The plugin also allows multiple instances, this feature facilitates integration with different user domains or to have different configurations to catch a certain subset of users, etc. The query order is left to right, as the instances appear on the tab list. First successful hit allows login, we look for the user no further. |
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| [attachments|ldapconn3.png] |
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| Each plugin instance can restrict the allowed users to certain server ports or Sever Connection Groups |
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| [attachments|ldapconn2.png] |
| !!!2. LDAP user lookup |
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| !Lookup parameters: |
| [{Image src='ldaplookupsettings1.jpg' width='..' height='..' align='left' style='..' class='..' }] |
| \\ |
| ;On login, make two attempts using username, and fully qualified username:try to look up the user by both it's FQDN and it's plain user name. This allows to log in by plain username (sAMAccountName) even if the __Search Filter__ is set to userPrincipalName |
| ;Relay LDAP error message to user logging in:in case of access denied, show the LDAP error in the Webinterface or client application along with our standard error message |
| ;Prefer simple username on login attempt:prioritize user lookup by it's sAMAcountName if the __Search Filter__ is set to anything else. With this flag set, on failure we'll make an attempt with simple username appended with the lookup admin user's domain suffix, v10 specific. |
| ;Notify Locked Account:If an account becomes disabled or locked, this option triggers sending an email to the LDAP User's email address. |
| A special email template must be set up for this with the exact name of "LDAP_Locked_Account" on Preferences -> Email Templates page. |
| The "Email address cache" option had been removed from the GUI, a hidden setting now, default 30 minutes. This option prevents the server of sending multiple emails. |
| CrushFTP v10 can discern between LDAP error code 49 subtypes, the above method will provide meaningful feedback for subcode 52e, 773 and 775. The {user_ldap_last_error} server variable |
| can be used to reveal these in the notification email body. |
| ;Allow reverse role lookup:validate role membership by checking the user's memberOf attribute against the roles list |
| ;Allow forward role lookup:validate role membership by checking all roles' member attribute for the user DN |
| One of the role lookup methods is mandatory for role based lookup to work. |
| ;Validate this plugin before calling other plugins:in case multiple integration plugins are linked together, call the LDAP plugin first ( for example in case of RADIUS & LDAP ) |
| \\ |
| !Roles and inheritance |
| Roles allow filtering on LDAP group membership. Each role has two options, a role filter and an optional role template field. Each role filter needs to be set a full LDAP path to a security group as of the user object's memberOf attribute value.\\ |
| \\ |
| __IMPORTANT:__ in case an LDAP user is member of multiple Roles, inherited settings will follow the hierarchy of the Roles order, topmost item has the least prevalence, while lowmost one in the list, the highest. This means |
| the same setting that is configured on multiple Role Template accounts will be inherited from the last Role in the list. Exception being the per-role VFS directories inherited, these cumulate.\\ |
| \\ |
| [attachments|roles1.png]\\ |
| \\ |
| A role template is a local CrushFTP user account for parenting group membership based inheritance. In case such a role template is assigned, all LDAP users member of this group will inherit settings from this account, including it's __VFS__ configuration; this can be used to grant per group based common working directories or local admin rights for example. |
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| !!2.Home folder access |
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| Most important, as the user will be denied login in case of an invalid home directory configuration. |
| A master template can also be designated , with instance wide scope |
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| [attachments|roles2.png] |
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| !!!3. Home folder access |
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| __IMPORTANT:__ the user will be denied login in case of an invalid home directory configuration or (local) home directory path not accessible. |
| \\ |
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| With this option if is enabled, the plugin will match the logging in user name against the local user database, in case of a successful match, the user is allowed to log in with it's LDAP password, and the user settings, including it's VFS configuration, is loaded from the local account. This method allows the most fine grained control over each LDAP integrated account, with the cost of being tedious, will need to create for each allowed user a matching account in User Manager (with blank or random password, since that will be ignored anyways). |
| With this option if is enabled, the plugin will match the logging in user name against the local user database, in case of a successful match, the user is allowed to log in with it's LDAP password, and the user settings, including it's VFS configuration, is loaded from the local account. This method allows the most fine grained control over each LDAP integrated account, with the cost of being tedious, will need to create for each allowed user a matching account in User Manager __manually__ (with blank or random password, since that will be ignored anyways). |
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| [attachments|homedir0.png] |
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| [attachments|homedir1.png] |
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| In case this option is enabled, and loading a valid path as per above, failed, the plugin will attempt to grant local folder |
| In case this option is enabled, and loading a valid path as per above section config, failed, the plugin will attempt to grant local folder |
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| !!3.Key mapping |
| A more advanced use case is to honor ACL permissions using an SMB:// URL and server variables to dynamically reference user credentials at login time |
| {{{ |
| SMB3://INTRANET{backslash}{username}:{password}@srv11.intranet.local/SHAREROOT/ |
| }}} |
|
| [attachments|homedir2.png] |
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| The __Create additional subfolders in home directory :__ section instructs the plugin to automatically create a pre defined set of subfolders below the user's home directory root. |
|
| In stream PGP file Encryption and Sync can be configured using the __Advanced__ menu. |
| !!!4. Key mapping |
| This section allows mapping of LDAP attributes to local user parameters. Most common use case LDAP integration with SSH user public key based authentication. |
| In this case, an otherwise redundant LDAP field, __description__ was used to store the user public key path (or the key file content).\\ |
| __IMPORTANT:__ LDAP user email address is automatically mapped behind the scenes. This works with most LDAP implementations, we do an implicit mapping of the LDAP user's __mail__attribute value to our specific __user_email__ user attribute. Need only to map manually in case of some non-standard LDAP implementations\\ |
|
| [attachments|mapping1.png]. |
|
| !!!Troubleshooting |
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| There are separate test tools to validate connectivity and query account credentials |
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| [attachments|trblshoot1.png] |
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| user lookup and role based filtering |
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| [attachments|trblshoot2.png] |
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| and user login (without the need of the actual end user password, the test tool will fake a login based on user lookup and validate home folder access) |
|
| [attachments|trblshoot3.png] |
| \\ |
| ---- |
| !!!AutoMap |
| LDAP for enterprise customers also supports "automap" feature for the groups. You configure a single role with the name "automap", and the groups that are found from the memberOf attribute (which must be in full DN notation). Then all groups the user is a member of are searched for in the User Manager to find a matching usermanager and they are assigned to them. |
| ---- |
| !!!MFA |
| See [CrushLDAPGroupMFA] for info on how to make CrushFTP v11 do MFA for LDAP. |
