HP Enterprise printers and scanners - Imaging and Printing Security Best Practices (white paper)

Feature Recommended Setting Explanation
EWS Config Disabled***
***NOTE:
The recommendation is to
disable EWS Config, but you
should leave it enabled until you
are finished configuring this
checklist. Otherwise, it will
prevent you from configuring
some of the remaining settings.
Disabling EWS Config closes
down the EWS and it eliminates
the configuration settings that
are controlled by the EWS. It
also removes the affected
settings from Web Jetadmin
menus. This includes settings
for email, send to folder, and
fax. You should disable EWS
Config while the MFPs are in
use, and enable it only to make
changes to the affected
configurations.
Telnet Config Disabled
Disabling Telnet Config
prevents access to
configuration settings and other
features through Telnet.
SLP Config Disabled
Disabling SLP Config prevents
access to configuration settings
and other features through SLP.
FTP Printing Disabled Disabling FTP Printing prevents
access to configuration settings
and other features through FTP.
It also prevents printing through
FTP.
LPD Printing Disabled
Disabling LPD Printing prevents
access to configuration settings
and other features through LPD.
It also prevents printing through
LPD.
9100 Printing Enabled
9100 Printing is the access
point for normal printing
through standard HP print
drivers.
Air Print Disabled
Disabling Air Print prevents also
prevents printing via Air Print. If
you do not operate in an
environment that supports this
feature, we recommend
disabling this feature.
IPP Printing Disabled
Disabling IPP Printing prevents
access to configuration settings
and other features through the
IPP. It also prevents printing
through IPP. If your require IPP
to be enabled. We highly
recommend enabling IPPS.