Dell B3460dn Mono Laser Printer - Manual (Page 41)

LDAP issues
LDAP lookups fail
Try one or more of the following:
M
AKE SURE
P
ORT
389 (
NON
‑SSL)
AND
P
ORT
636 (SSL)
ARE NOT BLOCKED BY A FIREWALL
The printer uses these ports to communicate with the LDAP server. The ports must be open for LDAP lookups to
work.
V
ERIFY THAT THE ADDRESS BOOK SETUP CONTAINS THE HOST NAME FOR THE
LDAP
SERVER
1 From the Embedded Web Server, click Settings or Configuration.
2 Click Network/Ports > Address Book Setup.
3 Verify that the host name (not the IP address) of the LDAP server appears in the Server Address field.
4 Click Submit.
D
ISABLE REVERSE
DNS
LOOKUPS
The printer uses reverse DNS lookups to verify IP addresses. If reverse DNS lookups are not used on your network,
then do the following:
On printers running the Embedded Solutions Framework (eSF) version 3.0 or later:
1 From the Embedded Web Server, click Settings > Security > Security Setup.
2 From Step 1 under the Advanced Security Setup heading, click Kerberos 5.
3 Under the Kerberos Settings heading, select Disable Reverse IP Lookups.
4 Click Submit.
On printers running eSF version 2.0:
1 Access the Smart Card Authentication Client application configuration settings from the Embedded Web Server.
2 Under the Advanced Settings heading, select Disable Reverse DNS Lookups.
3 Click Apply.
Note: If you are unsure about which version of eSF your printer is running, then see “Checking which version of
the Embedded Solutions Framework is installed on a printer” on page 44 .
I
F THE
LDAP
SERVER REQUIRES
SSL,
THEN ENABLE
SSL
FOR
LDAP
LOOKUPS
1 Access the Smart Card Authentication Client application configuration settings from the Embedded Web Server.
2 Under the Advanced Settings heading, select Use SSL for User Info.
3 Click Apply.
Troubleshooting 41