SonicWALL TZ 180 manual Glossary

Glossary

•Deep Packet Inspection - looking at the data portion of the packet. Enables the firewall to investigate farther into the protocol to examine information at the application layer and defend against attacks targeting application vulnerabilities.

•Distributed Enforcement Architecture - SonicWALL’s unified threat management technology that delivers automated signature updates that provide real-time protection from current and emerging threats

•Signature - code written to detect and prevent intrusions, worms, application exploits, and Peer-to-Peer and Instant Messaging traff

•Stateful Packet Inspection - examines the contents of individual packets at all layers of the OSI model, from network layer to application layer.

•Intrusion Detection - a process of identifying and flagging malicious activity aimed at information technology.

•False Positive - a falsely identified attack traffic pattern.

•Intrusion Prevention - finding anomalies and malicious activity in traffic and reacting to it.

•Snort - an open source network intrusion detection system. SonicWALL IPS includes open-source Snort signatures, as well as signatures from other signature databases, and SonicWALL created signatures. SonicWALL does not use the Snort engine.

•Prevention Mechanism: The message which contains the virus is removed from the head of the sent queue, thus preventing it from being resent, via 552 SMTP response and the connection is terminated.

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