- Introduction to the Cisco ASA FirePOWER Module
- Managing Reusable Objects
- Managing Device Configuration
- Getting Started with Access Control Policies
- Blacklisting Using Security Intelligence IP Address Reputation
- Tuning Traffic Flow Using Access Control Rules
- Controlling Traffic with Network-Based Rules
- Controlling Traffic with Reputation-Based Rules
- Access Control Rules: Realms and Users
- Access Control Rules: Custom Security Group Tags
- Controlling Traffic Using Intrusion and File Policies
- Intelligent Application Bypass
- Access Control Using Content Restriction
- Understanding Traffic Decryption
- Getting Started with SSL Policies
- Getting Started with SSL Rules
- Tuning Traffic Decryption Using SSL Rules
- Understanding Network Analysis and Intrusion Policies
- Using Layers in a Network Analysis or Intrusion Policy
- Customizing Traffic Preprocessing
- Getting Started with Network Analysis Policies
- Using Application Layer Preprocessors
- Configuring SCADA Preprocessing
- Configuring Transport & Network Layer Preprocessing
- AC Adaptive Profiles
- Getting Started with Intrusion Policies
- Tuning Intrusion Policies Using Rules
- Detecting Specific Threats
- Globally Limiting Intrusion Event Logging
- Understanding and Writing Intrusion Rules
- Introduction to Identity Data
- Realms and Identity Policies
- User Identity Sources
- DNS Policies
- Blocking Malware and Prohibited Files
- Logging Connections in Network Traffic
- Viewing Events
- Configuring External Alerting
- Configuring External Alerting for Intrusion Rules
- Using the ASA FirePOWER Dashboard
- Using ASA FirePOWER Reporting
- Scheduling Tasks
- Managing System Policies
- Configuring ASA FirePOWER Module Settings
- Licensing the ASA FirePOWER Module
- Updating ASA FirePOWER Module Software
- Monitoring the System
- Using Backup and Restore
- Generating Troubleshooting Files
- Importing and Exporting Configurations
- Viewing the Status of Long-Running Tasks
- Security, Internet Access, and Communication Ports
Using ASA FirePOWER Reporting
You can view reports on various time periods to analyze the traffic on your network. Reports aggregate information on various aspects of your network traffic. In most cases, you can drill down from general information to specific information. For example, you can view a report on all users, then view details about specific users.
Overview and detail reports include multiple report components such as top policies and web categories. These reports show the most often occurring items of that type for the report you are viewing. For example, if you are viewing the detail report for a specific user, the top policies show the policy hits most associated with that user.
Understanding Available Reports
Available reports include the main reports available in the ASA FirePOWER module. You can view these reports from the ASA FirePOWER Reporting menu.
In general, you can click on many items, including names and View More links, to get more detailed information about individual items or about the monitored category as a whole.
This report shows summary information about the traffic in the network. Use this information to help identify areas that need deeper analysis, or to verify that the network is behaving within general expectations.
This report shows the top users of your network. Use this information to help identify anomalous activity for a user.
Tip User names are available only when user identity information is associated with traffic flows. If you want to ensure that user identity is available in reports for the majority of traffic, the access control policy should use active authentication.
This report displays applications, which represent the content or requested URL for HTTP traffic detected in the traffic that triggered an intrusion event. Note that if the module detects an application protocol of HTTP, but cannot detect a specific web application, the module supplies a generic web browsing designation here.
This report shows which categories of web sites, such as gambling, advertisements, or search engines and portals are being used in the network based on the categorization of web sites visited. Use this information to help identify the top categories visited by users and to determine whether your access control policies are sufficiently blocking undesired categories.
This report shows how your access control policies have been applied to traffic in the network. Use this information to help evaluate policy efficacy.
This report displays the ingress security zone of the packet that triggered an event.
This report displays the egress security zone of the packet that triggered the event.
This report shows which applications, such as Facebook, are being used in the network based on the analysis of the traffic in the network. Use this information to help identify the top applications used in the network and to determine whether additional access control policies are needed to reduce the usage of unwanted applications.
This report displays the source IP addresses, used by the sending hosts, that triggered an event.
This report displays the destination IP addresses, used by the receiving hosts, that triggered an event.
This report displays the unique identifying number and explanatory text assigned to each detected threat to your network.
This report displays the type of files detected, for example, HTML or MSEXE.
Report Basics
The following sections explain the basics of using reports. These topics apply to reports in general and not to any single specific report.
- Understanding Report Data
- Drilling into Reports
- Changing the Report Time Range
- Controlling the Data Displayed in Reports
- Understanding Report Columns
Understanding Report Data
Report data is collected immediately from the device, so there is little lag time between the data reflected in a report and network activity. However, keep the following points in mind when analyzing the data:
- Data is collected for traffic that matches an access control policy applied to your ASA FirePOWER module.
- Data is aggregated into 5 minute buckets, and 30 minute and one hour graphs show data points in 5 minute increments. At the end of the hour, the 5 minute buckets are aggregated into one hour buckets, which are subsequently aggregated into day and week buckets. The 5 minute buckets are kept for 7 days, the one hour buckets for 31 days, and the day buckets for up to 365 days. The farther back you look, the more aggregated the data. When you query for old data, you get the best results if you align your queries to the availability of these data buckets.
Note
If a data point is missing, for example, because the device was unreachable for longer than 5 minutes, there will be gaps in line charts.
Drilling into Reports
Reports include many links to help you drill down to the information that you need. Mouse over items to see which ones might take you to more information about the item.
For example, in a typical reporting item, you can click the View More link to go to the summary report for that item.
You can also get to a detail report on a specific item by clicking the item in a summary report. For example, clicking Hypertext Transfer Protocol (HTTP) in the applications summary report takes you to the applications detail report for HTTP.
Changing the Report Time Range
When you view a report, you can change the time range that defines the information to include in the report using the Time Range list. The time range list appears at the top of each report, and allows you to select predefined time ranges, such as the last hour or week, or to define a custom time range with specific start and end times. The time range you select is carried over to any other report that you view until you change the selection.
Reports automatically update every 10 minutes.
The following table explains the time range options.
Table 41-1 Time Ranges for reports
Controlling the Data Displayed in Reports
Overview and detail reports include several subordinate reports such as Top Policies and Web Categories. Each report panel includes controls that let you view different aspects of the data. You can use the following controls:
Click these links to view charts based on the number of transactions or the amount of data in the transactions.
The unlabeled drop-down list in the upper right of each report includes these options. Use them to change whether you see denied connections only, allowed connections only, or all connections whether denied or allowed.
Click the View More link to go to the report for the item you are viewing. For example, clicking View More in the Web Categories chart of the Destinations report takes you to the Web Categories report. If you are viewing the report in a detailed report, you go to the detailed Web Categories report for the item you are viewing details about.
Understanding Report Columns
Reports typically contain one or more tables to present information in addition to the information displayed in graphical format.
- The meaning of many columns is modified by the report in which they are included. For example, the transactions column shows the number of transactions for the type of item reported on. You can also toggle the values between raw numbers and as a percentage of the total reported raw values for the item by clicking Values or Percentages.
- You can change the sort order of the columns by clicking the column heading.
The following table explains the standard columns that you can find in the various reports.
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The number of transactions that were allowed for the reported item. |
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The number of transactions that were blocked (based on policy) for the reported item. |
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