NextCloud : LDAP Integration2020/10/12

	Configure LDAP Integration to NextCloud to login with LDAP user accounts.
[1]	Install OpenLDAP Server, refer to here.
[2]	Configure NextCloud to access to LDAP Server from PHP scripts.

root@dlp:~#

apt -y install php-ldap

root@dlp:~#

systemctl restart php7.4-fpm

[3]	Login to NextCloud Web with admin account and open [Apps].

[4]	Select [Your apps] on the left pane and Click [Enable] button on [LDAP user and group backend] section.

[5]	After enabling [LDAP user and group backend], open settings again and select [Administration] - [LDAP / AD integration] on the left pane.

[6]

Input LDAP server's information to connect.
Like this example to use OpenLDAP on Ubuntu Server, it's OK to input server's hostname or IP addreess and Base DN only.
Click [Test Base DN] button and if [Configuration OK] message is displayed like follows, that's OK, Click [Continue] to proceed.

For [User DN] and its [Password] fields, generally input a LDAP user account to bind LDAP server. However, OpenLDAP on Ubuntu server, anonymous bind is enabled by default as following setting, so it does not need to input them.
⇒ olcAccess: {0}to attrs=userPassword by self write by anonymous auth by * none

[7]	Configure on [Users] tab. It's OK with default setting if using OpenLDAP on Ubuntu Server like this example. Confirm [Configuration OK] and Click [Continue] to proceed.

[8]	Configure on [Login Attributes] tab. It's OK with default setting if using OpenLDAP on Ubuntu Server like this example. Confirm [Configuration OK] and Click [Continue] to proceed.

[9]	Configure on [Groups] tab. If you'd like to limit groups they can search LDAP directory, configure here. But it's OK with default setting if using OpenLDAP on Ubuntu Server like this example. Confirm [Configuration OK] and finish configuration for admin account.

[10]	Move to Login form and specify a LDAP user.

[11]	If configuration OK, it's possbile to login to NextCloud with LDAP users like follows.

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