Lexmark C736n PKI-Enabled Device Installation and Configuration Guide - Page 25
LDAP lookups fail almost immediately
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REVERSE DNS LOOKUPS ARE DISABLED ON THE NETWORK The printer uses reverse DNS lookups to verify IP addresses. If reverse lookup is disabled on the network: 1 From the Embedded Web Server, click Settings > Embedded Solutions > PKI Authentication > Configure. 2 Select Disable Reverse DNS Lookups. 3 Click Apply. LDAP REFERRALS ARE ENABLED 1 From the Embedded Web Server, click Settings > Embedded Solutions > PKI Authentication > Configure. 2 Select Disable LDAP Referrals. Note: Leaving LDAP referrals enabled can increase LDAP search times. 3 Click Apply. THE LDAP SEARCH BASE IS TOO BROAD IN SCOPE Narrow the LDAP search base to the lowest possible scope that will include all necessary users. LDAP lookups fail almost immediately This normally occurs during address book searches, user E-mail address searches, or user home directory searches. THE ADDRESS BOOK SETUP CONTAINS AN IP ADDRESS FOR THE LDAP SERVER 1 From the Embedded Web Server, click Settings > Network/Ports > Address Book Setup. 2 Verify that the Server Address has been entered as the hostname (not the IP address), of the LDAP server. 3 Click Submit to save any needed changes. PORT 389 IS BEING USED, BUT THE LDAP SERVER REQUIRES SSL 1 From the Embedded Web Server, click Settings > Network/Ports > Address Book Setup. 2 Verify or adjust the following settings: • Server Port-Should be 636. • Use SSL/TLS-Select SSL/TLS. • LDAP Certificate Verification-Select Never. 3 Click Submit to save any needed changes. THE LDAP SEARCH BASE IS INCORRECT Narrow the LDAP search base to the lowest possible scope that will include all necessary users. THE LDAP ATTRIBUTE BEING SEARCHED FOR IS NOT CORRECT Verify that the LDAP attributes for the user's E-mail address and/or home directory are correct. Troubleshooting 25