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Web Filtering Events and Log Overview

Use this page to view information about security events based on Web filtering policies. Web filtering allows you to permit or block access to specific websites by URL or by URL category using cloud-based lookups, a local database, or an external Websense server. Analyzing Web filtering logs yields useful security management information such as users detected accessing restricted URLs and actions taken by the system. Using the time-frame slider, you can quickly focus on the area of activity that you are most interested in. Once the time range is selected, all of the data presented in your view is refreshed automatically. You can also use the Custom button to set a custom time range.

Web Filtering Events—Summary View

Click Summary View for a brief summary of all the Web filtering events in your network. The top of the page has a swim lane graph of all the Web filtering events against the blocked events.

You can use the widgets at the bottom of the page to view critical information such as top URLs blocked, top matched profiles, top sources, and top destinations. See Table 13 for descriptions of the widgets in this view.

Table 13: Widgets in Summary View

Widget

Description

Top URLs blocked

URL names that are blocked; sorted by event count.

Top Matched Profiles

Web filtering profile names; sorted by event count.

Top Sources

Top source IP addresses of the network traffic; sorted by event count.

Top Destinations

Top destination IP addresses of the network traffic; sorted by event count.

Web Filtering Events—Detail View

Click Detail View for comprehensive details of events in a tabular format that includes sortable columns. You can aggregate the events using the Group by option. For example, you can group the events based on source country. The table includes information such as the event name, UTM category, source IP address, source country and so on.

See Table 14 for descriptions of the columns in this view.

Table 14: Columns in Detail View

Column

Description

Time

Time when the event occurred.

Event Name

Event name of the log.

Source Country

Source country name from where the event originated.

Source IP

Source IP address from where the event occurred (IPv4 or IPv6).

Destination Country

Destination country name from where the event occurred.

Destination IP

Destination IP address of the event (IPv4 or IPv6).

Source Port

Source port of the event.

Destination Port

Destination port of the event.

Description

Description of the log.

UTM category or Virus Name

UTM category of the log: enhanced, local, and redirect.

URL

Accessed URL name that triggered the event.

Action

Action taken for the event: warning, allow, and block.

Log Source

IP address of the log source (IPv4 or IPv6).

Host Name

Hostname in the log.

Source Zone

User traffic received from the zone.

Roles

Role names associated with the event.

Reason

Reason for the log generation. For example, unrestricted access.

Path Name

The path name of the log.

Profile Name

Name of the Web filtering profile that triggered the event.

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