Lexmark X652DE Common Criteria Installation Supplement and Administrator Guide - Page 20

Other settings and functions - service manual

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c Set Activate to No. d Touch Submit. The MFP will return to the LexLink screen. From there you can select Back to return to Std Network Setup, or the home icon to return to the home screen. Shutting down port access Disabling virtual ports helps prevent intruders from accessing the MFP using a network connection. Once the HTTP and HTTPS ports have been disabled, you will no longer be able to access the EWS for remote management. For information about accessing the EWS, see "Using the Embedded Web Server" on page 15. 1 From the EWS, click Settings > Security > TCP/IP Port Access. 2 Clear the following check boxes: • TCP 21 (FTP) • UDP 69 (TFTP) • TCP 79 (FINGER) • TCP 80 (HTTP) • UDP 161 (SNMP) • TCP 443 (HTTPS) • TCP 631 (IPP) • TCP 5000 (XML) • TCP 5001 (IPDS) • TCP 6110/UDP6110/TCP6100 • TCP 8000 (HTTP) • TCP 9000 (Telnet) • UDP 9300/UDP 9301/UDP 9302 (NPAP) • TCP 9500/TCP 9501 (NPAP) • TCP 9600 (IPDS) • UDP 9700 (Plug-n-Print) • TCP 10000 (Telnet) • Web Services 3 Click Submit. Other settings and functions Network Time Protocol Use Network Time Protocol (NTP), to automatically sync MFP date and time settings with a trusted clock, so that Kerberos requests and audit log events will be accurately time-stamped. Note: If your network uses DHCP, verify that NTP settings are not automatically provided by the DHCP server before manually configuring NTP settings. 20

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c
Set Activate to
No
.
d
Touch
Submit
. The MFP will return to the LexLink screen. From there you can select
Back
to return to Std
Network Setup, or the home icon to return to the home screen.
Shutting down port access
Disabling virtual ports helps prevent intruders from accessing the MFP using a network connection. Once the HTTP
and HTTPS ports have been disabled, you will no longer be able to access the EWS for remote management. For
information about accessing the EWS, see “Using the Embedded Web Server” on page 15.
1
From the EWS, click
Settings
>
Security
>
TCP/IP Port Access
.
2
Clear the following check boxes:
•
TCP 21 (FTP)
•
UDP 69 (TFTP)
•
TCP 79 (FINGER)
•
TCP 80 (HTTP)
•
UDP 161 (SNMP)
•
TCP 443 (HTTPS)
•
TCP 631 (IPP)
•
TCP 5000 (XML)
•
TCP 5001 (IPDS)
•
TCP 6110/UDP6110/TCP6100
•
TCP 8000 (HTTP)
•
TCP 9000 (Telnet)
•
UDP 9300/UDP 9301/UDP 9302 (NPAP)
•
TCP 9500/TCP 9501 (NPAP)
•
TCP 9600 (IPDS)
•
UDP 9700 (Plug-n-Print)
•
TCP 10000 (Telnet)
•
Web Services
3
Click
Submit
.
Other settings and functions
Network Time Protocol
Use
Network Time Protocol
(NTP), to automatically sync MFP date and time settings with a trusted clock, so that
Kerberos requests and audit log events will be accurately time-stamped.
Note:
If your network uses DHCP, verify that NTP settings are not automatically provided by the DHCP server before
manually configuring NTP settings.
20