Internet Control Message Protocol. A network layer Internet protocol mainly used for error reporting.
IDS
Intrusion Detection System. A tool used to detect unauthorized access to a computer or network by monitoring and analyzing events for particular characteristics.
IEV
(Cisco) IDS Event Viewer. A Java-based application used to view and monitor up to 5 different IDS sensors at the same time.
IIS
Internet Information Services (Server). Internet-based services implemented as a Microsoft technology.
