Zywall Application Patrol License
You can have the ZyWALL use anti-spam, anti-virus, IDP/AppPatrol (Intrusion Detection and Prevention and application patrol), and content filtering subscription services. You can also purchase and enter a license key to have the ZyWALL use more SSL VPN tunnels. See the respective User’s Guide chapters for more information about these features. Application patrol examines every TCP and UDP connection passing through the ZyWALL and identifies what application is using the connection. Then, you can specify, by application, whether or not the ZyWALL continues to route the connection.
We highly recommend consulting an IT or network professional when configuring advanced network settings and equipment.The goal of configuring any router or firewall for use on 8x8 service is to prioritize VoIP traffic on your network and achieve optimum call quality. In the case of the ZyXELL ZyWALL USG-50, we want to. Enable FTP ALG. Enable H.323 ALG. Enable SIP ALG.
Zywall Application Patrol License Requirements
Add port 5199 as a SIP Signaling PortSince the ZyWALL USG-20 has a very similar interface, the instructions below apply to the ZyWALL USG-20 as well.Detailed instructions are available from ZyXELL here.