Symantec 10521146 Administration Guide - Page 131

Responding 131 About automated responses About automated responses Symantec Network Security's automated rule-based response system includes alerting, pinpoint traffic recording, flow tracing, session resetting, and custom responses on both the software and appliance nodes and the Network Security console. Symantec Network Security generates responses based on multiple criteria such as event targets, attack types or categories, event sources, and severity or confidence levels. Multiple responses can be configured for the same event type, as well as the order in which Symantec Network Security executes the responses. Symantec Network Security reviews each event, and iterates through the list of response rules configured by the user. It compares each event against configurable match parameters. If a match occurs on all parameters, it then executes the specified action. After Symantec Network Security processes one rule, it proceeds to one of three alternatives: to the rule indicated by the Next parameter, to a following rule beyond the Next rule, or it stops policy application altogether for this event. Some automated responses also use node parameters through Configuration > Node > Network Security Parameters. Symantec Network Security installs with some of the response rule parameters defaulted; however, they require more information from you to run successfully. Note: Response policy configurations are not immediately propagated. If you establish a response rule in the master node of a cluster, all subsequent nodes will automatically synchronize when you restart them. You can also force the resynchronization by clicking Admin > Force Database Sync. This section describes the following: ■ Setting response parameters ■ Setting response actions Note: SuperUsers and Administrators can read and write response rules; StandardUsers and RestrictedUsers can view only. See "User groups reference" on page 319 for more about permissions.