Cisco ASA 5540

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Cisco ASA 5500 Series Configuration Guide using ASDM
OL-20339-01
Chapter 38 Configuring Inspection for Voice and Video Protocols
RTSP Inspection
– Gateway to Be Added—Specifies the IP address of the media gateway that is controlled by the
associated call agent. A media gateway is typically a network element that provides conversion
between the audio signals carried on telephone circuits and data packets carried over the
Internet or over other packet networks. Normally, a gateway sends commands to the default
MGCP port for call agents, 2727.
– Add—Adds the specified IP address to the IP address table.
– Delete—Deletes the selected IP address from the IP address table.
– IP Address—Lists the IP addresses of the gateways in the call agent group.
• Call Agents
– Call Agent to Be Added—Specifies the IP address of a call agent that controls the MGCP media
gateways in the call agent group. Normally, a call agent sends commands to the default MGCP
port for gateways, 2427.
– Add—Adds the specified IP address to the IP address table.
– Delete—Deletes the selected IP address from the IP address table.
– IP Address—Lists the IP addresses of the call agents in the call agent group.
Modes
The following table shows the modes in which this feature is available:
RTSP Inspection
This section describes RTSP application inspection. This section includes the following topics:
• RTSP Inspection Overview, page 38-19
• Using RealPlayer, page 38-20
• Restrictions and Limitations, page 38-20
• Select RTSP Map, page 38-21
• RTSP Inspect Map, page 38-21
• Add/Edit RTSP Policy Map, page 38-22
• Add/Edit RTSP Inspect, page 38-22
RTSP Inspection Overview
The RTSP inspection engine lets the adaptive security appliance pass RTSP packets. RTSP is used by
RealAudio, RealNetworks, Apple QuickTime 4, RealPlayer, and Cisco IP/TV connections.
Firewall Mode Security Context
Routed Transparent Single
Multiple
Context System
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