ZyXEL ZyWALL ATP700 User Guide - Page 539
Application Patrol Profile
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Chapter 25 Application Patrol is correct. Before confirmation, packets are forwarded by App Patrol with no action taken. The number of packets inspected before confirmation varies by signature. Note: The Zyxel Device allows the first eight packets to go through the security policy, regardless of the application patrol policy for the application. The Zyxel Device examines these first eight packets to identify the application. The second approach is called service ports. The Zyxel Device uses only OSI level-4 information, such as ports, to identify what application is using the connection. This approach is available in case the Zyxel Device identifies a lot of "false positives" for a particular application. Custom Ports for SIP and the SIP ALG Configuring application patrol to use custom port numbers for SIP traffic also configures the SIP ALG to use the same port numbers for SIP traffic. Likewise, configuring the SIP ALG to use custom port numbers for SIP traffic also configures application patrol to use the same port numbers for SIP traffic. 25.2 Application Patrol Profile Use the application patrol screens to customize action and log settings for a group of application patrol signatures. You then link a profile to a policy. Use this screen to create an application patrol profile, and view signature information. It also lists the registration status and details about the signature set the Zyxel Device is using. Note: You must register for the AppPatrol signature service (at least the trial) before you can use it. A profile is an application object(s) or application group(s) that has customized action and log settings. Click Configuration > Security Service > App Patrol to open the following screen. Click the Application Patrol icon for more information on the Zyxel Device's security features. Figure 374 Configuration > Security Service > App Patrol ZyWALL ATP Series User's Guide 539
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