Ricoh PRO C9100, Operating Instructions Manual, Page: 74 / 236

Enabling and Disabling Protocols
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 by using Web Image Monitor, telnet, Device Manager
NX, or Remote Communication Gate S.
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
• Device Manager NX
• Remote
Communication Gate S
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".
ssh/sftp TCP:22 • Web Image Monitor
• telnet
• Device Manager NX
• Remote
Communication Gate S
Functions that require sftp cannot be
used.
You can restrict personal information
from being displayed by making
settings on the control panel using
"Restrict Display of User Information".
telnet TCP:23 • Web Image Monitor
• Device Manager NX Commands using telnet are disabled.
5. Enhanced Network Security
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