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Hello i have a problem when i try to connect to my AD with ldap it gives me the 1401 error.

I have seen a lot of posts with this error but none of the solutions they gave me works.

I checked that the firewall is not interfering so i know that the problem is in the config_inc.php

My configuration is like this:

$g_login_method = LDAP;
$g_ldap_server = 'ldap://IP:389';
$g_ldap_root_dn = 'OU=Name,DC=example,DC=com';
$g_ldap_uid_field = 'sAMAccountName';
$g_ldap_organization = '(objectClass=*)';
$g_ldap_realname_field = 'DisplayName';
$g_ldap_bind_dn = 'CN=UserName,OU=Name,OU=name,OU=name,DC=example,DC=com';
$g_ldap_bind_passwd = 'xxxx';
$g_log_level = LOG_LDAP;
$g_log_destination = '/var/log/mantisbt.log';
$g_use_ldap_email = ON;
$g_use_ldap_realname = ON;
$g_ldap_follow_referrals = OFF;
$g_ldap_use_starttls = OFF;
$g_show_realname = ON;
$g_ldap_protocol_version = 3;


PD:
OS: Ububtu 22.04
PHP 8.1
Mantis 2.22.1

Thanks

If you have enabled log_ldap, could you let me know the file content with logs? with this info and cofee break will probably we found the problem.

the log info:
LDAP ldap_api.php:327 ldap_authenticate_by_username() Binding to LDAP server\n
LDAP ldap_api.php:63 ldap_connect_bind() Attempting connection to LDAP server/URI 'ldap://example.com:389'.\n
LDAP ldap_api.php:117 ldap_connect_bind() Connection to ldap server failed\n

It shows me only this three lines over and over.

I assume you replaced example.com with your domain? Just to be sure

yes

I tried using ldapsearch and it works and shows me the information of the user i asked (connects with the AD well)

But when i try to connect via from web browser it gives me the #1401 error Connection to LDAP server failed.

To follow up also on https://www.mantisbt.org/bugs/view.php?id=32458

Thanks i downgraded my php to 8.0 and updated my mantis to 2.25.7 and it works

Ok now i have another error #1406 that says 'Cannot initiate StartTLS on LDAP server.'
My config_inc.php is like this:
$g_login_method = LDAP;
$g_ldap_protocol_version = 3;
$g_ldap_server = 'ldap://example.com:389';
$g_ldap_root_dn = 'ou=name,dc=example,dc=com';
$g_ldap_organization = '';
$g_ldap_uid_field = 'sAMAccountName';
$g_ldap_realname_field = 'cn';
$g_use_ldap_realname = 'ON';
$g_ldap_follow_referrals = 'OFF';
$g_use_ldap_email = 'ON';
$g_ldap_bind_dn = 'CN=name,OU=name,OU=HQ,OU=name,DC=example,DC=com';
$g_ldap_bind_passwd = 'xxxx';
$g_ldap_use_starttls = 'OFF';
$g_log_level = LOG_LDAP;
#$g_log_destination = file:/var/log/mantisldap.log;

I tried to change it to ldaps and 636 but it doesnt matter it keeps giving me th 1406 error

As opposed to your old configuration, your new configuration uses 'ON' and 'OFF'.
It must be ON and OFF.

Thanks now it works

Good to hear, thanks for the feedbacl.