Application Patrol; Overview; What You Can Do In This Chapter; What You Need To Know - ZyXEL Communications ZyWALL 110 User Manual

28.1 Overview

Application patrol provides a convenient way to manage the use of various applications on the
network. It manages general protocols (for example, HTTP and FTP) and instant messenger (IM),
peer-to-peer (P2P), Voice over IP (VoIP), and streaming (RSTP) applications. You can even control
the use of a particular application's individual features (like text messaging, voice, video
conferencing, and file transfers). You can also configure bandwidth management with application
patrol in the Configuration > BWM screen for traffic prioritization to enhance the performance of
delay-sensitive applications like voice and video.

28.1.1 What You Can Do in this Chapter

• Use the Profile summary screen (see
signature information.
• Use the Profile Add/Edit screens (see
categories and for specific applications within the category.

28.1.2 What You Need to Know

If you want to use a service, make sure both the Security Policy and application patrol allow the
service's packets to go through the ZyWALL/USG.
Note: The ZyWALL/USG checks secure policies before it checks application patrol rules for
traffic going through the ZyWALL/USG.
Application patrol examines every TCP and UDP connection passing through the ZyWALL/USG and
identifies what application is using the connection. Then, you can specify whether or not the
ZyWALL/USG continues to route the connection. Traffic not recognized by the application patrol
signatures is ignored.
Application Profiles & Policies
An application patrol profile is a group of categories of application patrol signatures. For each
profile, you can specify the default action the ZyWALL/USG takes once a packet matches a
signature (forward, drop, or reject a service's connections and/or create a log alert).
Use policies to link profiles to traffic flows based on criteria such as source zone, destination zone,
source address, destination address, schedule, user.
C
HAPTER
Section 28.2 on page
Section 28.2 on page
ZyWALL/USG Series User's Guide
468

Application Patrol

469) to view license registration and
469) to set actions for application
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