News

December 2007

Web Filtering at CityU
by Joe Chow
Applications and Data

Background In view that the Internet had rapidly become an unrestricted and uncontrolled source of content other than educational information, the Information Services Advisory Committee (ISAC) chaired by VP (Planning & Information Services) saw the need to filter some categories of websites in 1998 ...

September 2007

Web Application Security
by Wilson Wong
Security, Applications and Data

Introduction In the past, security measures were often focused on the system level (which included networks, operating systems, web servers, and database servers). People may think their websites are safe from hackers if they have a "perfectly" secured system. This may be true if their websites ...

Keeping the e-Learning/e-Portal service in good shape: Performance Audit and Tuning, Capacity Planning for the Blackboard System
by Maria Chin
Applications and Data

The Blackboard (Bb) Academic Suite has been deployed in the university since July 2005. The Sun Solaris/Oracle DBMS based production system is supported by four application servers via a load-balancer and an additional application server is used for virtual classroom. These application servers work ...