Ricoh Pro C751EX - Page 149

Protocol Port Setting Method When Disabled
ssh/sftp TCP: 22
• Web Image Monitor
• telnet
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
Commands using telnet
are disabled.
SMTP
TCP: 25
(variable)
• Control Panel
• Web Image Monitor
E-mail notification
function that requires
SMTP reception cannot
be used.
HTTP TCP: 80
• Web Image Monitor
• telnet
Functions that require
HTTP cannot be used.
HTTPS TCP: 443
• Web Image Monitor
• telnet
Functions that require
HTTPS cannot be used.
@Remote cannot be
used.
You can also make
settings to require SSL
transmission using the
control panel or Web
Image Monitor.
SMB TCP: 139
• Control Panel
• Web Image Monitor
• telnet
SMB printing functions
cannot be used.
NBT
UDP: 137
UDP: 138
• telnet
SMB printing functions
via TCP/IP, as well as
NetBIOS designated
functions on the WINS
server cannot be used.
Preventing Unauthorized Access
147
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