
Port number Type
Inbound (I) or
Outbound (O)
1
Description
27892 UDP I Traps Listener: HP Web Jetadmin uses this port for SNMP-based alerts and for
By User Data C
ollections.
27893 UDP I WS Hello Listener: HP Web Jetadmin monitors this port for incoming WS Hello
packets from the HP WS Pro Proxy Agent software that is installed on hosts in
the enterprise. When HP Web Jetadmin detects a packet, it follows up to
determine whether there are any printers to discover on the sending host. For
more information, see the HP Web Jetadmin 10.4 Proxy Agents Readme. This
document is available from the HP Web Jetadmin
support page (in English).
59113 TCP O Microsoft SQL Server: By default, HP Web Jetadmin installs the SQL Server
database on the same host. Option
ally, you can congure HP Web Jetadmin
to communicate with a SQL Server database on a dierent host.
HP Web Jetadmin uses this port to facilitate communication with a remote
SQL Server database.
1
The I/O column represents the communication direction with respect to the HP Web Jetadmin server host. HP Web Jetadmin uses
random source por
ts when communicating with ports on remote IP addresses.
2
HP Web Jetadmin uses ports 7627, 3702, and 3910 internally to communicate with devices. To ensure proper communication, these
ports must be kept o
pen for communication directly with the device and with the internal HPWSProAdapter service.
Open the ports in the Windows rewall by using a batch le
HP Web Jetadmin opens the ports listed in the table to communicate with devices. However, the rewall that you
are using might block the connection and pre
vent HP Web Jetadmin from communicating with the network.
Instead of adding rewall rules for these ports one at a time, you can create a batch le that opens all of the
ports that HP Web Jetadmin require
s for the Windows rewall at one time. For instructions, see the Create a
Batch File to Open HP Web Jetadmin Required Ports in the Windows Firewall white paper. This white paper is
available from the HP Web Jetadmin
support page.
Implement SSL
By default, the HP Web Jetadmin HTTP service runs without certicates. If you add a certicate, the HTTP server
runs in HTTPS mode and Secure Sockets Layer (S
SL) communication is enforced. In HTTPS mode, the user and
the HTTP server are authenticated to one another and the trac between them is encrypted. This adds an extra
layer of security to the Smart Client download and other HTTP transactions.
HP Web Jetadmin does not self-generate certicates. You must obtain a certicate from a certicate authority
(CA). CAs can exist inside or outside of an organization. Many companies have their own CAs. The
HP Web Jetadmin Signing Request feature generates a le that you can send to the CA. When the CA sends you a
certicate, use the Install Certicate feature to enable HTTPS.
IMPORTANT: For new server certicates, you must install 2048-bit certicates. Any previously installed 1024-
bit server certicates
continue to function correctly.
Enable Secure Sockets Layer (SSL)
HP Web Jetadmin administrators enable SSL by adding a certicate to the HP Web Jetadmin application. This
certicate forces the browser to use the more secure HTTPS protocol when a user accesses the client logon
page. The administr
ator must enable SSL from the console or host that runs the application by using the
procedure in
Congure HTTPS (Server Certicates or SSL) on page 15. When a remote administrator accesses
ENWW Implement SSL 13
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