Agent based system for network availability and vulnerability monitoring

Monitoring of distributed systems for management purposes is a complex task aggravated by heterogeneity and distribution of resources and tools. This paper describes implementation of the agent-based system for network (Internet) services monitoring. The system is designed in a modular fashion to provide easy and efficient inclusion of diverse network services´ monitoring components. Software agents are implemented aimed at verification of accessibility of network services, as well as their potential vulnerability. Specialized services and verifiers for the web and e-mail services are also implemented. The system implementation is based on the XJAF agent framework and the Java EE technology.