HP DesignJet and HP PageWide XL Printers - Security Features

HP DesignJet Printer Series Security Settings
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6. Ports used in HP printers
Below you can find a list with the ports used by HP printers. Some connection problems are caused by a firewall blocking the needed port. They are ordered by protocol or
function.
Note: Ports may change as HP products develop and evolve; these changes will be communicated to the official channel and the documentation will be updated.
Protocol/Function
Port
In/
Out
Purpose and consequences of disabling it
Configuration
DesignJet &
PageWide XL
SFP
DesignJet &
PageWide XL
MFP
FTP Printing
TCP 20,21
In/Out
Printing. It will be impossible to send documents to
the device via FTP protocol. Rarely used. It depends
on connection tracking (firewall feature).
[EWS] > Network > Other
Settings > FTP Printing
Yes
Yes
Scan to Network
(FTP)
TCP 21
Out
Scan to network folder. MFPs will not be able to
send scanned date to an ftp server.
[EWS] > Setup > Scan to network
No
Yes
Telnet
TCP 23
In
This port can be used for remote configuration of
the HP Jetdirect device when there is no other
configuration method, or it can be used to check the
current configuration.
[EWS] > Network > Other
Settings > Telnet Config
Yes
Yes
Email sending
(alerts & job
scanned)
TCP 25,
465, 587
Out
Email. Newer HP Printers and Multi-Function
Devices have the capability of sending e-mail alerts
directly from the device. The port is configurable,
and others could be selected instead.
[EWS] > Settings > Email Server
Yes
Yes
IPsec/Firewall
TCP
50/51,
UDP 500
In/Out
It will become impossible to use encrypted secure
connection to the device over the Internet or LAN. It
would also become impossible to set up
ports/services mapping/forwarding.
[EWS] > Network > TCP/IP
Settings
Yes
Yes
LLMNR
UDP 5355
In
Resolving device name. The device will not be able
to introduce itself in local network when DNS name
resolving is inaccessible. It should have no impact
for OS X. Mostly used in Windows.
[EWS] > Network > Other
Settings
Yes
Yes
DNS
TCP, UDP
53
Out
DNS. Allows devices to resolve hostnames used by
any feature that requires outgoing connections.
[EWS] > Network > TCP/IP
Settings > Network Identification
Yes
Yes
DHCPv4 and BOOTP
UDP 67,
68
In/Out
DHCPv4 and BOOTP.
[EWS] > Network > TCP/IP
Settings > TCP/IP(v4)
Yes
Yes