Security

VIDEO CONFERENCING

Prior to using HEAnet's videoconferencing service, there are a number of security issues involved in allowing H.323 conferencing.

The following ports are used in H.323 conferencing:

H.323 Ports (open in both directions)

Function	Port	Type
HTTP Interface	80	TCP
Gatekeeper discovery	1718	TCP
Gatekeeper RAS	1719	TCP
Q.931 Call Setup	1720	TCP
Audio Call Control	1731	TCP
H.245 Control Channel	1024-65535	TCP
RTP (Video/Audio)	1024-65535	UDP
H.235 secure signaling	1300	TCP
T.120	1503	TCP

Because H.323 uses dynamically assigned ports it is difficult to control. Some solutions to overcome this are as follows:

Open the ports listed above on your institutions firewall
Use H.323 aware firewalls, e.g. Cisco Secure IS, Cisco PIX, Checkpoint FW-1, Netscreen
Use a separate network for H.323 (H.323 DMZ)

LATEST NEWS

HEAnet hosts RIPE 66 in Dublin

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HEAnet is very happy to be the local host for the RIPE 66 meeting which is taking place on 13 - 17 May 2013 at The Burlington Hotel, Dublin.

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