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Configuring Application Level Gateway
Cisco ISA500 Series Integrated Security Appliances Administration Guide 290
6
• H.323 Support: H.323 is a standard teleconferencing protocol suite that
provides audio, data, and video conferencing. It allows for real-time
point-to-point and multipoint communication between client computers over
a packet-based network that does not provide a guaranteed quality of
service. Check this box to enable H.323 ALG support, or uncheck this box to
disable this feature.
• FTP Support on TCP port: Check the box to enable FTP support, or
uncheck the box to disable the this feature. Then choose a listening port. The
default port is FTP-CONTROL (21).
STEP 3 Click Save to apply your settings.