McAfee FIREWALL 2.1-GETTING STARTED Guia de Instalação descarregar pdf (Página 36)

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B.3 Technical Information

The avedia IPTV solution uses multicast IP traffic to transmit both audio/video

data and channel announcements. Multicast traffic is controlled by IGMP

messages between the network switches and the attached devices (e.g. your

PC), and it is essential that these IGMP messages are successfully

transmitted and received whilst viewing a channel. Mcafee Personal Firewall

allows outbound IGMP messages from your PC, enabling you to establish the

initial connection to a TV or radio channel. However, it appears to block

inbound IGMP messages from the switch to your PC meaning that your PC

will not respond to these. The switch will eventually conclude that your PC no

longer wants to receive the multicast traffic and will stop sending it, resulting in

the TV or radio channel stopping playing.

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McAfee FIREWALL 2.1-GETTING STARTED Guia de Instalação Página 36