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RADVISION | RADVISION Port Security Reference Guide
In addition to the ports listed in
Table 1-21
and
Table 1-22
, SCOPIA Gateways offer the following
features:
•
The ability to conceal a caller ID for both IP-to-ISDN and ISDN-to-IP calls.
•
Configurable security access levels enabling and disabling Telnet, FTP, SNMP and ICMP (ping)
services, as shown in
Table 1-23
.
12003-12951 (odd
numbers only)
RTCP (UDP)
For terminals connected
to the Gateway and not to
the IVR.
Both
Cannot open media
H.323 entity
Table 1-21
SCOPIA Gateway-supported ports—Incoming connections (continued)
Port Range
Protocol
Functionality
Direction
Result of Blocking
Port on Firewall
Description
Table 1-22
SCOPIA Gateway-supported ports—Outgoing Connections
Port
Range
Protocol
Functionality
Direction Result of Blocking
Port on Firewall
Description
162 SNMP
traps
(UDP)
Sending traps to server
Outgoing
Cannot send traps
Gateway
1719
RAS (UDP)
RAS (sending RRQ/ARQ messages) Both
No RAS capabilities
H.323 entity
1720
Q.931 (TCP) Q.931 (sending Setup/Connect
messages)
Both
No Q.931 capabilities H.323 entity
Table 1-23
SCOPIA Gateway Security Modes
Security Mode
Telnet
FTP
SNMP
ICMP (ping)
Low
Active
Active
Active
Active
Medium
Inactive
Inactive
Active
Active
High
Inactive
Inactive
Inactive
Inactive