Skip header
 

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".

telnet

TCP:23

  • Web Image Monitor

  • Device Manager NX

Commands using telnet are disabled.

SMTP

TCP:25

(variable)

  • Control panel

  • Web Image Monitor

  • Device Manager NX

  • Remote Communication Gate S

E-mail notification function that require SMTP reception cannot be used.

HTTP

TCP:80

  • Web Image Monitor

  • telnet

Functions that require HTTP cannot be used.

Cannot print using IPP on port 80.

HTTPS

TCP:443

  • Web Image Monitor

  • telnet

Functions that require HTTPS 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

  • Device Manager NX

  • Remote Communication Gate S

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.

SNMPv1,v2

UDP:161

  • Web Image Monitor

  • telnet

  • Device Manager NX

  • Remote Communication Gate S

Functions that require SNMPv1, v2 cannot be used.

Using the control panel, Web Image Monitor or telnet, you can specify that SNMPv1, v2 settings are read-only, and cannot be edited.

SNMPv3

UDP:161

  • Web Image Monitor

  • telnet

  • Device Manager NX

  • Remote Communication Gate S

Functions that require SNMPv3 cannot be used.

You can also specify settings to require SNMPv3 encrypted transmission and restrict the use of other transmission methods using the control panel, Web Image Monitor, or telnet.

RSH/RCP

TCP:514

  • Web Image Monitor

  • telnet

  • Device Manager NX

  • Remote Communication Gate S

Functions that require RSH and network TWAIN functions cannot be used.

You can restrict personal information from being displayed by making settings on the control panel using "Restrict Display of User Information".

LPR

TCP:515

  • Web Image Monitor

  • telnet

  • Device Manager NX

  • Remote Communication Gate S

LPR functions cannot be used.

You can restrict personal information from being displayed by making settings on the control panel using "Restrict Display of User Information".

IPP

TCP:631

  • Web Image Monitor

  • telnet

  • Device Manager NX

  • Remote Communication Gate S

IPP functions cannot be used.

IP-Fax

TCP:1720 (H.323)

UDP:1719 (Gatekeeper)

TCP/UDP:5060 (SIP)

TCP:5000 (H.245)

UDP:5004, 5005 (Voice)

TCP/UDP:49152 (T.38)

  • Control panel

  • Web Image Monitor

  • Device Manager NX

  • Remote Communication Gate S

IP-Fax connecting functions using H.323, SIP and T.38 cannot be used.

SSDP

UDP:1900

  • Web Image Monitor

  • telnet

Device discovery using UPnP from Windows cannot be used.

Bonjour

UDP:5353

  • Web Image Monitor

  • telnet

Bonjour functions cannot be used.

@Remote

TCP:7443

TCP:7444

  • Control panel

  • telnet

RICOH @Remote cannot be used.

DIPRINT

TCP:9100

  • Web Image Monitor

  • telnet

  • Device Manager NX

  • Remote Communication Gate S

DIPRINT functions cannot be used.

RFU

TCP:10021

  • Control panel

  • telnet

You can update firmware via FTP.

WSD (Device)

TCP:53000

(variable)

  • Web Image Monitor

  • telnet

WSD (Device) functions cannot be used.

WSD (Printer)

TCP:53001

(variable)

  • Web Image Monitor

  • telnet

WSD (Printer) functions cannot be used.

WSD (Scanner)/DSM

TCP-53002

(variable)

  • Web Image Monitor

  • telnet

WSD (Scanner) and DSM functions cannot be used.

WS-Discovery

UDP/TCP:3702

  • telnet

WSD (Device, Printer, Scanner) search function cannot be used.

RHPP

TCP:59100

  • Web Image Monitor

  • telnet

Cannot print with RHPP.

LLMNR

UDP:5355

  • Web Image Monitor

  • telnet

Name resolution requests using LLMNR cannot be responded.

Note