HAN Technical Information
How does HAN work?
HAN can be seen as a gateway for the HTTP data flow between the browser und the WWW-Server, substituting parts of the HTML pages, i.e. every link points to HAN. In this way the HAN-Server can automatically authenticate by the providers of e-journals or online-databases, navigating the way to the destination page and skip unimportant pages. The HAN-Server is not a Proxy-Server, so that it doesn’t have to be authenticated as a proxy by the browsers. Instead the HAN-Server provides a persistent URL for each e-journal/every online database that you can simply address in your Intranet www-server, for example.
Before a user can access a HAN-PURL and thereby the online sites, it is recommendable the users have already been authenticated. For this purpose HAN provides a variety of authentication services:
- IP/DNS-address checker
- NT-registration for a particular domain
- Registration over a LDAP-Interface (Microsoft ADS, Netscape iPlanet)
- Microsoft Active Directory
- NetMan Registration
- PICA (CBS und LBS)
- SISIS

Functional Overview
- Authentication by the HAN-Server using the HTTP or HTML-Form
- Automatic navigation in the Internet services
- Automatic authentication for Internet services liable to charges
- Access control for Internet services
- License for the Internet services
- Metering of the chargeable Internet-services with statistical evaluation
- Interface to the Electronic Journal Library in Regensburg (HAN Interface to EJL)
System requirements
- Apache Server for Windows-Platforms Version 2.x (Version 2.046 or higher)
- Windows Server 2003
- Windows 2000 (Service Pack 2 or higher)
- Windows NT 4 Server/Terminal server (Service Pack 6a or higher)
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