HP Web Jetadmin Software Manuale Utente Scaricare il pdf (Pagina 11)

Port number Type Inbound/Outbound

(I/O)

Details

9100 TCP O

Printer Firmware Upgrade and Test File Operation: HP Web Jetadmin uses

this printer port to transfer printer firmware files, test job files, and PJL

configuration files.

27892 UDP I

Traps Listener: HP Web Jetadmin uses this port for SNMP-based alerts and

for By User Data Collections.

37893 UDP I

WS Hello Listener: HP Web Jetadmin monitors this port for incoming WS

Hello packets from the HP WS Pro Proxy Agent software installed on hosts

in the enterprise. When HP Web Jetadmin detects a packet, it follows up to

determine if there are any discoverable printers on the sending host. For

more information, see the HP Web Jetadmin Proxy Agents Readme. This

document is available by going to the HP Web Jetadmin support page

59113 TCP O

Microsoft SQL Server: By default, HP Web Jetadmin installs the SQL Server

database on the same host. Optionally, you can configure HP Web

Jetadmin to communicate with a SQL Server database on a different host.

HP Web Jetadmin uses this port to facilitate communication with a remote

SQL Server database.

NOTE The I/O column represents the communication direction with respect to the HP Web Jetadmin

server host. HP Web Jetadmin uses random source ports when communicating with ports on

remote IP addresses.

NOTE HP Web Jetadmin uses ports 7627, 3702, and 3910 internally to communicate with devices.

To ensure proper communication, these ports must be kept open for communication directly

with the device and the internal HPWSProAdapter service.

NOTE HP Web Jetadmin uses the Internet Control Message Protocol (ICMP) in the discovery process.

HP Web Jetadmin sends an ICMP echo request to determine if the IP is active.

HPWJA Service

HPWJA Service is core to the HP Web Jetadmin application and runs under the low-privilege

Microsoft user account called NT Authority\Network Service. Many environments require that

applications such as HP Web Jetadmin do not have administrative access to the operating system.

SQL Server (HPWJA)—database access and authentication

For HP Web Jetadmin 10.3 SR8 and later, a SQL Server 2012 Express database instance is created

during the installation. For HP Web Jetadmin 10.3 SR7 and earlier, SQL Server Express 2005 is

installed.

NOTE When upgrading HP Web Jetadmin, the existing version of SQL Server does not change. For

instructions how to upgrade a SQL Express version for HP Web Jetadmin, see the Upgrade

Microsoft

SQL Server Express for HP Web Jetadmin white paper. This white paper is

available from the HP Web Jetadmin support page

HP Web Jetadmin uses Windows credentials to access this database instance. The service for this

database instance runs under the NT Authority\Network Service user and is named SQL Server

(HPWJA). HP Web Jetadmin uses the Network Service account in the local Windows system to access

SQL Server. Sensitive information, such as device credentials and other data identity settings, are

encrypted and stored securely in the SQL Server data tables.

NOTE As of November 2009, HP Web Jetadmin 10.2 SR1 (10.2.62227) can be configured to use

a remote instance of SQL Server and authenticate using a SQL user account. Windows

authentication to the SQL Server instance and secure, certificates-based authentication are not

currently possible. This might be considered a security vulnerability in some environments.

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HP Web Jetadmin Software Manuale Utente Pagina 11

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