Last Modified: Aug 15, 2019
See more info
Known Affected Versions:
14.1.0, 18.104.22.168, 22.214.171.124, 126.96.36.199, 188.8.131.52, 184.108.40.206, 220.127.116.11, 15.0.0, 15.0.1
Opened: Jul 17, 2019
On a BIG-IP system configured with remote LDAP/Active Directory authentication, attempting to login to the Configuration Utility or to the command-line interface may proceed very slowly or fail.
BIG-IP system may accept LDAP referrals that it is unable to process, resulting in authentication timeouts/failures.
-- LDAP/Active Directory 'system-auth' authentication configured. -- The Active Directory enables LDAP referrals (the default). -- There are a large number of Active Directory servers in the enterprise, or the BIG-IP system does not have complete network connectivity to all Active Directory servers (caused by firewalls or special routes).
To temporarily disable the referrals, edit one of the configuration files /etc/nslcd.conf or /config/bigip/auth/pam.d/ldap/system-auth.conf, and add the following line: referrals no Note: This change is not persistent and will be lost whenever MCPD re-loads the configuration, or when other changes are made to system-auth configuration values.