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RADVISION | RADVISION Port Security Reference Guide
SCOPIA XT1000
Table 1-19
lists ports that need to be open on SCOPIA XT1000.
Table 1-19
Ports Supported by SCOPIA XT1000 Series
Port number
Protocol/
Use
Functionality Direction
Result of Blocking Port on
Firewall
Description/External
Client
69
TFTP (UDP)
TFTP client or
server
Both
Cannot send or receive files
via TFTP
Send or receive files via
TFTP
80
HTTP (TCP)
Web server
Both
In: No web server.
Out: Also NAT
auto-discovery using HTTP
does not function.
WEB remote management
or use, NAT autodiscovery
using HTTP.
123
SNTP (UDP)
SNTP client
Both
Cannot get the Internet UTC
time
Get the Internet UTC time
161
SNMP (UDP)
SNTP
Configuration
and Status
Both
Cannot configure or check
the status of the terminal via
SNMP
Interface to iVIEW Network
Manager or any other SNMP
manager station
162
SNMP(UDP)
SNTP Trap
Events
Out
The terminal cannot send
SNMP events
Interface to iVIEW Network
Manager or any other SNMP
manager station
1718
H.225.0/
RAS (UDP)
H.323 call
signaling to a
GK for
"Gatekeeper
Automatic
Discovery"
procedure
Out to the
multicast
IP address
224.0.0.41
(all GK)
The H.323 endpoint cannot
automatically discover a
gatekeeper (only manual
configuration available).
The H.323 endpoint can
automatically discover a
gatekeeper.
1719
H.225.0/
RAS (UDP)
H.323 call
signaling to a
GK
Both
The H.323 endpoint cannot
use the services of a
gatekeeper.
The H.323 endpoint uses
the services of a
gatekeeper
1720
H.225.0/
Q.931 (TCP)
H.323 call
signaling
(Q.931)
Both
Cannot connect H.323 calls. Common H.323 service
port.
3230-3248
(configurable)
H.225.0/
Q.931 and
H.245 and SIP
(TCP)
For H.323 call
control
signaling
(Q.931),
media control
signaling
(H.245), SIP
(TCP) call
signaling, and
BFCP signaling
Both
Cannot connect H.323 calls.
Cannot connect SIP calls on
TCP transport.
Ephemeral TCP ports used
to connect simultaneous
H.323 and SIP calls.
The range can be modified
by selecting Administrator
Settings > Network >
Preferences >Dynamic
Ports
