Chapter 29 Configuring Filtering Services

Filtering URLs and FTP Requests with an External Server

Step 12 To delete a selected filter rule, click Delete.

Defining Queries

To define queries, perform the following steps:

Step 1 Enter the IP address or hostname of the source. Choose is for an exact match or choose contains for a partial match. Click the ellipses to display the Browse Source dialog box. You can specify a network mask using CIDR notation (address/bit-count). You can specify multiple addresses by separating them with commas.

Step 2 Enter the IP address or hostname of the destination. Choose is for an exact match or choose contains for a partial match. Click the ellipses to display the Browse Destination dialog box. You can specify a network mask using CIDR notation (address/bit-count). You can specify multiple addresses by separating them with commas.

Step 3 Enter the IP address or hostname of the source or destination. Choose is for an exact match or choose contains for a partial match. Click the ellipses to display the Browse Source dialog box. You can specify

anetwork mask using CIDR notation (address/bit-count). You can specify multiple addresses by separating them with commas.

Step 4 Enter the protocol, port, or name of a service. Choose is for an exact match or choose contains for a partial match. Click the ellipses to display the Browse Service dialog box. You can specify a network mask using CIDR notation (address/bit-count). You can specify multiple addresses by separating them with commas.

Step 5 Choose the rule type from the drop-down list.

Step 6 Click OK to close this dialog box.

After you click OK, the filter is immediately applied to the rule table. To remove the filter, click Clear.

Feature History for URL Filtering

Table 29-2lists the release history for URL filtering. ASDM is backwards-compatible with multiple platform releases, so the specific ASDM release in which support was added is not listed.

Table 29-2

Feature History for URL Filtering

 

 

 

 

 

 

 

Platform

 

Feature Name

 

Releases

Feature Information

 

 

 

 

URL filtering

 

7.0(1)

Filters URLs based on an established set of filtering criteria.

 

 

 

 

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Cisco Systems ASA 5505, ASA 5545-X, ASA 5555-X, ASA 5585-X manual Defining Queries, Feature History for URL Filtering, 29-12
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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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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.
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