Samsung SyncMaster VC240 Manuale utente

RADVISION Port Security

Reference Guide

Version 7.6

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RADVISION | Reference Guide for RADVISION Port Security Version 7.6

protected by United States copyright laws, other applicable copyright laws and international treaty provisions.

RADVISION Ltd. retains all rights not expressly granted.

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This publication is RADVISION confidential. No part of this publication may be reproduced in any form whatsoever or used

to make any derivative work without prior written approval by RADVISION Ltd.

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either by RADVISION Ltd. or its agents.

RADVISION Ltd. reserves the right to revise this publication and make changes without obligation to notify any person of

such revisions or changes. RADVISION Ltd. may make improvements or changes in the product(s) and/or the program(s)

described in this documentation at any time.

If there is any software on removable media described in this publication, it is furnished under a license agreement

included with the product as a separate document. If you are unable to locate a copy, please contact RADVISION Ltd.

and a copy will be provided to you.

Unless otherwise indicated, RADVISION registered trademarks are registered in the United States and other territories.

All registered trademarks recognized.

For further information contact RADVISION or your local distributor or reseller.

Reference Guide for RADVISION Port Security Version 7.6, March 2011

http://www.radvision.com

| 3RADVISION |Reference Guide forRADVISION Port Security Version 7.6

Port Security Reference Guide

This document details the use of TCP/IP/UDP ports throughout the SCOPIA Solution, organized by

product name.

Each port entry includes a description of the protocol used by the specific port, the role that the

port serves, the direction of traffic through the port (in, out or both), and the results of blocking

the port on the firewall.

The following SCOPIA Solution products are described in this document:

•SCOPIA Elite MCU ............................................................................... page 4

•SCOPIA Video Gateway for Microsoft Lync .................................................. page 8

•SCOPIA ECS Gatekeeper........................................................................ page 9

•SCOPIA iVIEW Management Suite............................................................ page 12

•SCOPIA PathFinder............................................................................. page 15

•SCOPIA Desktop ................................................................................ page 21

•SCOPIA XT Desktop Server.................................................................... page 26

•SCOPIA XT1000 ................................................................................. page 28

•SCOPIA VC240................................................................................... page 30

•SCOPIA Gateway................................................................................ page 32

•3G Gateway..................................................................................... page 34

•SCOPIA MCU..................................................................................... page 36

This document does not include details of ports required by additional servers such as LDAP, SQL,

or Oracle servers. Always check which ports your back-end servers require and open only these

ports.

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RADVISION | RADVISION Port Security Reference Guide

SCOPIA Elite MCU

SCOPIA Elite MCU 5000 Series

Table 1-1 lists the ports supported by all the models in the SCOPIA Elite MCU 5000 Series,including

SCOPIA Elite 5100 Series MCU and SCOPIA Elite 5200 Series MCU.

Table 1-1 Ports Supported by SCOPIA Elite MCU 5000 Series

Port Range Protocol Functionality Direction Result of Blocking Port

on Firewall Description

21 FTP (TCP) Audio stream recording In Cannot record audio

streams FTP Server

22 SSH (TCP) MCU In Cannot view logs in real

time (logs are collected

on the compact flash

card)

SSH Client

(configurable) HTTP (TCP) MCUAdministratorand

Conference Control

web user interfaces

In Cannot administer MCU Web client

Used for software

upgrade

161 SNMP (UDP) Configuration and

status In Cannot configure or

check the status of the

MCU via SNMP

iVIEW Network Manager,

iVIEW Management Suite

or any other SNMP

manager station

162 SNMP (UDP) SNMP Trap events Out Cannot receive Traps iVIEW Network Manager,

iVIEW Management Suite

or any other SNMP

manager station

443 HTTPS (TCP) Secure web interface In Cannot administer MCU

1024-1324

(configure

within this

range)

H.245 (TCP) H.245 signaling Both Cannot connect H.323

calls Any H.323 entity.

The SCOPIA Elite 5100

Series MCU uses 90 ports

for H.245, while the

SCOPIA Elite 5200 Series

MCU uses 180 ports.

To configure, use the

MCU Advanced

Commands section.

Enter the command

h245baseport to set the

lower port value, and

h245portrangetospecify

the number of ports

above the base port to be

used.

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RADVISION | RADVISION Port Security Reference Guide

In addition to the ports listed in Table 1-1, the SCOPIA Elite MCU offers configurable security

access levels enabling and disabling Telnet, FTP, SNMP and ICMP (ping) services. The security

settings are accessed in the MCU from Configuration > Setup > Security and entering the

Security Mode. Table 1-2 details the implications of each security mode on each communication

type.

1719

(configurable) RAS (UDP) RAS signaling Out Cannot communicate

with H.323 gatekeeper H.323 gatekeeper

1720

(configurable) Q.931 (TCP) Q.931 signaling Both Cannot connect H.323

calls Any H.323 entity

3336 XML (TCP) MCU version 3 XML API Both Cannot use MCU

ConferenceControlweb

user interface. Cannot

use version 3 XML API to

control MCU

Conference Control web

client terminal, iVIEW

Management Suite or

third-party controlling

applications

3337 XML (TCP) MCU version 3

Cascading XML API Both Cannot cascade

between two MCUs Other MCUs

3338 XML (TCP) Administration XML API Both Cannot be blocked

5060

(configurable) SIP

(TCP/UDP) SIP signaling Both Cannot connect SIP calls Any SIP entities

Table 1-1 Ports Supported by SCOPIA Elite MCU 5000 Series

Port Range Protocol Functionality Direction Result of Blocking Port

on Firewall Description

Table 1-2 MCU Security Mode

Security Mode Telnet FTP SNMP ICMP (ping)

Standard Active Active Active Active

High Inactive Inactive Active Active

Maximum Inactive Inactive Inactive Inactive

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RADVISION | RADVISION Port Security Reference Guide

Ports specific to the SCOPIA Elite 5100 Series MCU

Table 1-3 lists the ports specific to the SCOPIA Elite 5100 Series MCU.

Ports Specific to the SCOPIA Elite 5200 Series MCU

Table 1-4 lists the ports supported by the SCOPIA Elite 5200 Series MCU.

Table 1-3 Ports supported by SCOPIA Elite 5100 Series MCU

Port Range Protocol Functionality Direction Results of

blocking port

on firewall

Description

12000-13200

16384-16984

(configure

within these

ranges)

RTP/RTCP

(UDP) RTP video and

audio media Both Cannot

transmit/recei

vevideomedia

streams

Any H.323 or SIP media enabled entity.

Every call uses two audio ports and six

video ports. For highly utilized systems

(above 90%), we recommend multiplying

by a factor of 1.5. Using its full capacity,

the SCOPIA Elite 5100 SeriesMCUuses 180

ports for audio and 540 ports for video.

To configure the video base port, use the

MCUAdvanced Commands section.Enter

thecommand advcmdmpcsetval withthe

parameter mf.BasePort to set the lower

port value.

To configure the audio base port, use the

MCUAdvanced Commands section.Enter

the command setmprtpbaseport to set

the lower port value.

Table 1-4 Ports supported by SCOPIA Elite 5200 Series MCU

Port Range Protocol Functionality Direction Result of

Blocking Port

on Firewall

Description

22 SSH (TCP) MCU In Cannot view

logs in real

time (logs are

collected on

the compact

flash card)

SSH Client

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RADVISION | RADVISION Port Security Reference Guide

12000-13200

(configure

within this

range)

RTP/RTCP (UDP) RTP/RTCP video

media - lower

blade only

Both Cannot

transmit /

receive video

media

streams

Any RTP/RTCP media enabled entity.

Every call uses two audio ports and six

video ports. For highly utilized

systems (above 90%), we recommend

multiplying the number of ports

required by a factor of 1.5.

At full capacity, the SCOPIA Elite 5200

Series MCU uses 1180 ports for video.

To configure the video base port, use

the MCU Advanced Commands

section. Enter the command

advcmdmpcsetval with the

parameter mf.BasePort to set the

lower port value.

16384-16984

(configure

within this

range)

RTP/RTCP (UDP) RTP/RTCP audio

media - upper

blade only

Both Cannot

transmit /

receive audio

media

streams

Any H.323 or SIP media-enabled

entity.

Every call uses two audio ports and six

video ports. For highly utilized

systems (above 90%), we recommend

multiplying the number of ports

required by a factor of 1.5.

At full capacity, the SCOPIA Elite 5200

Series MCU uses 360 ports for video.

To configure the audio base port, use

the MCU Advanced Commands

section. Enter the command

setmprtpbaseport to set the lower

port value.

Table 1-4 Ports supported by SCOPIA Elite 5200 Series MCU

Port Range Protocol Functionality Direction Result of

Blocking Port

on Firewall

Description

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RADVISION | RADVISION Port Security Reference Guide

SCOPIA Video Gateway for Microsoft Lync

Table 1-5 lists the ports supported by SCOPIA Video Gateway for Microsoft Lync.

Table 1-5 Ports supported by SCOPIA Video Gateway for Microsoft Lync

Port Protocol/Use Functionality Direction Result of Blocking

Port on Firewall Description

21 FTP (TCP) Audio stream recording In Cannot record

audio streams FTP Server. Note that this

feature is disabled by

default.

22 SSH (TCP) Logs for the SCOPIA

Video Gateway for

Microsoft Lync

In Cannot view logs in

real time (logs are

collected on the

compact flash

card)

SSH Client

(configurable) HTTP (TCP) Application upgrade

and upload customer

support information

In Cannot upgrade

the SCOPIA Video

Gateway for

Microsoft Lync

Web client

162 SNMP (UDP) SNMP Trap events Out Cannot receive

Traps iVIEW Network Manager,

iVIEW Management Suite

or any other SNMP

manager station

1024-1174

(configurable) H.245 (TCP) H.245 signaling Both Cannot connect

H.323 calls Any H.323 entity

1719

(configurable) RAS (UDP) RAS signaling Both Cannot

communicate with

H.323 gatekeeper

1720

(configurable) Q.931 (TCP) Q.931 signaling Both Cannot connect

H.323 calls Any H.323 entity

3336 XML (TCP) Management XML API Both Cannot be blocked iVIEW Management Suite

3338 XML (TCP) Administration XML API Both Cannot be blocked

5060, 5061

(configurable) SIP (TCP/UDP) SIP signaling Both Cannot connect SIP

calls Any SIP entities

12000-13200

(configurable) RTP/RTCP RTP video media Both Cannot

transmit/receive

video media

streams

Any H.323 or SIP media

enabled entity

16384-16984

(configurable) RTP/RTCP

(UDP) RTP audio media Both Cannot

transmit/receive

audio media

streams

Any H.323 or SIP media

enabled entity

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RADVISION | RADVISION Port Security Reference Guide

SCOPIA ECS Gatekeeper

Table 1-6 and Table 1-7 list the ports supported by the ECS.

Table 1-6 ECS incoming port connections

Port Range Protocol Functionality Direction Result of

Blocking Port

on Firewall

Description

21 FTP (TCP) File Transfer

Protocol for

offline viewing

of ECS logs and

CDRs

Both Cannot view

logs or

retrieve CDR

files

FTP client/CDR server

80 (configure

via webs.ini

file)

HTTP (TCP) Web interface Both Cannot view

ECS web user

interface

Web client terminal

161 SNMP (UDP) Configuration

and status Both Cannot

configure or

check the

status of the

ECS

iVIEW Network Manager, or any other SNMP

manager station

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RADVISION | RADVISION Port Security Reference Guide

1024-5000

(configure

within that

range in the

Windows

registry)

H.245 (TCP) H.245 routed

calls Both No H.245

(except in

Q.931 routed

and direct

mode)

Any H.323 entity H.245 port

The number of ports ECS needs for this

purpose is the maximum calls allowed by

your license multiplied by four.

To limit ECS’s use of ports within the range

of 1024-5000:

1. Close ECS.

2. Open the registry.

3. Navigate to HKEY_LOCAL_MACHINE\

SOFTWARE\RADVISION\

Enhanced Communication Server\

Storage\Config\Stack

4. Create a new key of type REG_SZ called

PortMin. Give it the value of the

minimum port number ECS should use.

5. Create a new key of type REG_SZ called

PortMax. Give it the value of the

highest port number ECS should use.

6. Restart ECS.

There may be other applications on the

same computer which altered the global

maximum port for all processes running on

that Windows PC. Verify this global

maximum is unchanged in the

HKEY_LOCAL_MACHINE\

SYSTEM\CurrentControlSet\Services\

Tcpip\Parameters\MaxUserPort registry

key. If this key is not defined, its default

value is 5000.

1719 RAS (UDP) RAS Both No RAS

capabilities Any H.323 entity using RAS signaling

1720 Q.931 (TCP) Q.931 routed

calls Both No signaling

capabilities

(except in

direct mode)

Any H.323 entity using Q.931 signaling

3271 ECS XML Incoming XML

connection Both No incoming

XML

connection

XML server

Table 1-6 ECS incoming port connections

Port Range Protocol Functionality Direction Result of

Blocking Port

on Firewall

Description

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