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Filtering Message Data

This section describes various ways to filter message data in Message Analyzer so that you can focus on traffic that is isolated by specific message type, field value, address, port communication, string value, diagnosis type, and so on. You can use Filter Expressions to select specific data from saved files or live captures when a Data Retrieval Session or Live Trace Session is running, respectively. You can also apply Filter Expressions when you are working with trace results to narrow down your view to specific data of interest while filtering out all the rest. In addition, you can either specify predefined Filter Expressions, or you can manually create your own.

You can even create a Filter Expression that uses an Alias (typically a friendly name that replaces some cryptic field value; see Using and Managing Aliases), and you can save such a filter in the centralized Filter Expression Library. This enables you to use the Filter Expression that incorporates an Alias as a Session Filter or a View Filter. Note that you can also create Filter Expressions that include Unions.

What You Will Learn
In the topics listed below, you will specifically learn about the following:

  • Applying a predefined or user-developed Session Filter to a Data Retrieval Session or a Live Trace Session.

  • Applying Fast Filters, Keyword filters, WFP Layer Set filters, HTTP filters, TCP filters, and others, to a Live Trace Session.

  • Creating and/or applying View Filters, Color Rules, Column Filters, and Pattern Match expressions to Analysis Sessions where you examine your data.

  • Performing analysis based on the application of specific types of filters.

In This Section

Filtering Loaded Input Data

Filtering Live Trace Session Data

Filtering Live Trace Session Results

Filtering Column Data

Writing Filter Expressions

Go To Procedures
To proceed directly to procedures that demonstrate the filtering features described in this task area, see Procedures: Using the Data Filtering Features.

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