Enabling and Disabling Protocols
This can be specified by the network administrator. For details about logging in and logging out with
administrator authentication, see p.30 "Logging in Using Administrator Authentication" and p.32 "Logging
out Using Administrator Authentication".
Specify whether to enable or disable the function for each protocol. By making this setting, you can specify
which protocols are available and so prevent unauthorized access over the network. Network settings can
be specified on the control panel, or using Web Image Monitor, telnet. For details about making settings
using telnet, see "Remote Maintenance Using telnet", Network and System Settings Reference. To disable
SMTP on Web Image Monitor, in E-mail settings, set the protocol to anything other than SMTP. For details,
see Web Image Monitor Help.
Protocol Port Setting Method When Disabled
IPv4 -
• Control Panel
• Web Image Monitor
• telnet
All applications that
operate over IPv4
cannot be used.
IPv4 cannot be disabled
from Web Image
Monitor when using
IPv4 transmission.
IPv6 -
• Control Panel
• Web Image Monitor
• telnet
All applications that
operate over IPv6
cannot be used.
IPsec -
• Control Panel
• Web Image Monitor
• telnet
Encrypted transmission
using IPsec is disabled.
FTP TCP: 21
• Web Image Monitor
• telnet
Functions that require
FTP cannot be used.
You can restrict
personal information
from being displayed by
making settings on the
control panel using
"Restrict Display of User
Information".
7. Enhanced Network Security
146
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