HP Web Jetadmin Software Manuale Utente Scaricare il pdf (Pagina 8)

SSL uses certificates to

accommodate both

authentication and encryption.

HP Web Jetadmin can generate

a signing request that a CA can

use to generate a certificate.

From the application console

only, the user can generate a

signing request through Tools >

Options > Application

Management > Server

Certificates (Figure 8).

After the CA fulfills the request,

the certificate is ready to be

installed on the HP Web

Jetadmin application. The Install Certificate feature is used to browse to and upload the certificate file.

After the certificate is installed, the HTTP service enforces SSL. Any web browser contact with HP Web

Jetadmin should indicate HTTPS in the URL when SSL is enforced. The Remove Certificate feature

uninstalls the certificate and SSL is no longer enforced.

Important points to remember when implementing SSL

SSL-enforced client communication requires one or more of the following considerations:

• When SSL is implemented on HP Web Jetadmin with an internal CA, the CA’s authorizing

certificate must be installed in the client browser. If this certificate is not installed in the client

browser, the HP Web Jetadmin ClickOnce page fails to load.

• Proxy servers tend to use the standard SSL port, which is port 443. If the HP Web Jetadmin

ClickOnce page is called through a proxy server, a redirect error might occur because the URL is

redirected to port 443 rather than port 8443, which is the port that SSL in HP Web Jetadmin

uses. The workaround for this problem is to place the fully qualified domain name (FQDN) for HP

Web Jetadmin in the browser’s exceptions list under Tools > Internet Options > Connections >

LAN Settings > Advanced. The browser pulls HTTP and HTTPS content directly from the HP Web

Jetadmin server.

NOTE The HTTP and HTTPS port numbers in HP Web Jetadmin HTTP and HTTPS can be

changed to something other than ports 8000 and 8443. A procedure for implementing

custom ports is outlined in the online Help for HP Web Jetadmin.

• When a user implements SSL in HP Web Jetadmin, a redirect occurs when the browser URL uses

port 8000. For example:

• Known URL prior to SSL implementation: http://servername.domain.domain.xxx:8000

• After SSL implementation, HP Web Jetadmin redirects to the new URL:

HTTPS://servername.domain.domain.xxx:8443

• The URLs shown here use FQDN. In most cases the certificate issued and installed in the SSL

implementation for HP Web Jetadmin contain an FQDN for the host on which HP Web Jetadmin

is installed. If a non-FQDN is used in the browser, a certificate failure occurs. As a general rule,

create the HP Web Jetadmin URL with FQDN when HP Web Jetadmin is implemented with SSL.

• The server host FQDN used in the certificate must be DNS resolvable. If it is not, the client

application might fail to launch.

Figure 8

—Server certificates

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