Configure two security rules to allow Skype first, and deny the rest of IM and P2P applications.Technology - browser-based + client-server + network-protocol + peer-to-peer.Subcategory - instant-messaging + voip-video.Click Add to configure an Application Filter that would include all instant messaging and P2P applications, by selecting the Category, Subcategory and Technology, as shown below:.For example, when a 'peer-to-peer' is selected as a Technology Filter, that filter will automatically update if a new application gets added to that category in the latest content package. Any new applications coming to PAN-OS in a content update that match the same filters, the set will automatically be added to the Application Filter created. The application filter is a dynamic item that is created by selecting filter options (Category, Subcategory, Technology) in the application browser. The example shown in this document blocks instant messaging (IM) and peer-to-peer (P2P) application-filter traffic, but still allow the Skype application. This document describes how to configure a Palo Alto Networks firewall to block traffic using on an application filter and still allow an application that is included in the filter.

Blocking ads on skype