Reviews the Internet and intranets, private communications networks within organizations. Examines extranets (organization's intranet offering password-protected external customer and supplier access to selected portions of its intranet) highlighting the viewpoint of librarians. Discusses extranet issues (security, access, user satisfaction),…

Proposes the use of a special purpose drop-in firewall/VPN gateway called Sieve, that can be inserted between the mobile workstation and the network to provide individualized security services for that particular station. Discusses features and advantages of the system and demonstrates how Sieve was used in various application areas such as at…

Presents a mechanism, the Secure e-Course eXchange (eCX) designed to protect learning material from unauthorized dissemination, and shows how this mechanism can be integrated in the operation model of online learning course providers. The design of eCX is flexible to fit two operating models, the Institutional Server Model and the Corporate Server…

Describes a security architecture, Oasis, which runs on a middleware platform extended for asynchronous operation; shows how the interoperation of independently developed services may be supported under the Oasis architecture. Uses the provision of digital academic library services as an example. (Author/AEF)

Describes installation and configuration of Mosaic and a World Wide Web (WWW) site at Grainger Library. Challenges include choosing a WINSOCK; customizing Mosaic for public-access computers; reducing security risks; maximizing Multipurpose Internet Mail Extensions (MIME); designing a home page; producing Hypertext Markup Language (HTML) documents.…