HP 4250 manual Configuring Internet Explorer

If an administrator uses a browser other than Internet Explorer, SSO will not be supported; the browser will communicate with the PSA through Basic security and all security information will be passed to the PSA in cleartext. The administrator will be prompted with a Basic security password prompt having two fields and can then either choose to use a local administrator account user name and password, or specify a domain user name and password where the user name includes the domain name (for example, domainname\user name). In the latter case, a user with a domain administrator account on the PSA can access the web interface through a Basic security prompt without having a local administrator account. (However, this user name and password are passed in cleartext.) (The screen shown is for Microsoft Windows NT 4.x; this screen might vary depending on your operating system.)

Configuring Internet Explorer

By default, URLs (including IP addresses) with periods in the name (for example, http//www.hp.com and http://10.0.0.1) or URLs that go through a proxy server are not included in a browser's local intranet. An administrator can view or change their local intranet settings in the Internet Options page under the Security tab by selecting Local Intranet and clicking on the Sites button.

In order to have SSO work with IP addresses, the proxy must be bypassed for that IP address; type the IP address under Tools-->Options-->Connections-->Proxy Server-->Advanced-->Exceptions. Also, under Security-->Sites, select Include all sites that bypass the proxy server.