Chapter 29 Configuring Filtering Services

Filtering URLs and FTP Requests with an External Server

Click OK to close this dialog box.

Click Apply to save your changes.

Step 8 To modify a filtering rule, select it and click Edit to display the Edit Filter Rule dialog box for the specified filtering rule.

Step 9 Make the required changes, then click OK to close this dialog box.

Step 10 Click Apply to save your changes.

Filtering the Rule Table

To find a specific rule if your rule table includes a lot of entries, you can apply a filter to the rule table to show only the rules specified by the filter. To filter the rule table, perform the following steps:

Step 1 Click Find on the toolbar to display the Filter toolbar.

Step 2 Choose the type of filter from the Filter drop-down list:

Source—Displays rules based on the specified source address or hostname.

Destination—Displays rules based on the specified destination address or hostname.

Source or Destination—Displays rules based on the specified source or destination address or hostname.

Service—Displays rules based on the specified service.

Rule Type—Displays rules based on the specified rule type.

Query—Displays rules based on a complex query composed of source, destination, service, and rule type information.

Step 3 For Source, Destination, Source or Destination, and Service filters, perform the following steps:

a.Enter the string to match using one of the following methods:

Type the source, destination, or service name in the adjacent field.

Click the ellipses to open a Browse dialog box from which you can choose existing services, IP addresses, or host names.

b.Choose the match criteria from the drop-down list. Choose is for exact string matches or contains for partial string matches.

Step 4 For Rule Type filters, choose the rule type from the list.

Step 5 For Query filters, click Define Query. To define queries, see the “Defining Queries” section on page 29-12.

Step 6 To apply the filter to the rule table, click Filter.

Step 7 To remove the filter from the rule table and display all rule entries, click Clear.

Step 8 To show the packet trace for the selected rule, click Packet Trace.

Step 9 To show and hide the selected rule diagram, click Diagram.

Step 10 To remove a filter rule and place it elsewhere, click Cut.

Step 11 To copy a filter rule, click Copy. Then to move the copied filter rule elsewhere, click Paste.

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Cisco Systems ASA Services Module, ASA 5505, ASA 5545-X, ASA 5555-X, ASA 5585-X, ASA 5580 manual Filtering the Rule Table, 29-11

ASA Services Module, ASA 5555-X, ASA 5545-X, ASA 5585-X, ASA 5580 specifications

Cisco Systems has long been a leader in the field of network security, and its Adaptive Security Appliance (ASA) series is a testament to this expertise. Within the ASA lineup, models such as the ASA 5505, ASA 5580, ASA 5585-X, ASA 5545-X, and ASA 5555-X stand out for their unique features, capabilities, and technological advancements.

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For enterprises requiring a balance of performance and security, the ASA 5545-X presents a compelling option. This model features scalable performance metrics, high availability, and integrated advanced threat protection. Coupled with advanced endpoint protection and detailed monitoring capabilities, the ASA 5545-X enables organizations to manage their security posture effectively.

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Each of these Cisco ASA models brings specific advantages to varied environments. Their integrative capabilities enable businesses to enhance their security postures while benefiting from seamless scalability and management. As cybersecurity threats evolve, these advanced appliances play a vital role in protecting valuable digital assets.