A

Multimedia Server

IP Payload ip address 10.1.1.1

PIX Has To Modify „ the Embedded IP Address as Well When Doing NAT

Packet With Embedded Source IP Address

Problem 2

Multimedia <Client

©Negotiation To

Agree Upon Port # To Use

Multimedia Server Initiates Connections on Agreed Upon Ports

Multimedia Server

(3 PIX Has To Sniff Negotiation To

Open Holes for Negotiated Port Numbers.

Apart from H.323 and SIP, PIX also supports RTSP, RAS v2, RealAudio Streamworks, CU-SeeMe, Internet Phone, IRC, Vxtreme, and VDO Live.

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