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RADVISION | RADVISION Port Security Reference Guide
12378
(configurable)
Alternate
Gatekeeper
protocol
Synchronizatio
n and
negotiation
between
Alternate
Gatekeepers
Both
No Alternate
Gatekeeper
functionality
Alternate Gatekeeper
Table 1-6
ECS incoming port connections
Port Range
Protocol
Functionality
Direction Result of
Blocking Port
on Firewall
Description
Table 1-7
ECS outgoing ports connections
Port Range
Protocol
Functionality
Direction Result of Blocking
Port on Firewall
Description
23
Telnet (TCP) Control of Sony
endpoints
Out
No control over
endpoints
Sony endpoint
53
DNS (TCP)
Query DNS for domains
per call
Out
DNS disabled
DNS server
162
(configurable)
SNMP (UDP) SNMP Trap events
Out
No traps are sent
To iVIEW Network Manager,
or to any other SNMP
manager station
1719
RAS (UDP)
Sending LRQ messages to
Neighbor Gatekeepers
Both
No RAS
Neighbor Gatekeepers