Apple QuickTime Informacje Techniczne Strona 33
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Oceniono. / 5. Na podstawie oceny klientów
Chapter 3 Managing Your QuickTime Streaming Server 33
Security and Access
A certain level of security is inherent in real-time streaming, since content is delivered
only as the client needs it and no files remain afterward, but you may need to address
some security issues.
The streaming server uses the IETF standard RTSP/RTP protocols. RTSP runs on top of
TCP, while RTP runs on UDP. Many firewalls are configured to restrict TCP packets by
port number, and are very restrictive on UDP.
There are three options for streaming through firewalls with the streaming server.
These options are not mutually exclusive. Typically one or more are used to provide the
most flexible setup. The three configurations outlined below are for clients behind a
firewall.
• Stream via port 80. This option enables the streaming server to encapsulate all RTSP
and RTP traffic inside TCP port 80 packets. Because this is the default port used for
HTTP-based web traffic, it gets through most firewalls. However, encapsulating the
streaming traffic lowers performance on the network and requires faster client
connections to maintain streams. It also increases load on the server.
• Open the appropriate ports on the firewall. This option allows the streaming server
to be accessed via RTSP/RTP on the default ports, and provides better use of network
resources, lower speeds for client connections, and less load on the server. The ports
that need to be open for unrestricted streaming include:
• TCP port 80: Used for signalling and streaming RTSP/HTTP (if enabled on server)
• TCP port 554: Used for RTSP
• UDP ports 6970–9999: Used for UDP streaming (a smaller range of UDP ports,
typically 6970-6999, can usually be used)
• TCP port 7070: Optionally used for RTSP (Real Server uses this port; QTSS/Darwin
can also be configured to use this port)
• TCP ports 8000 and 8001 can be opened for Icecast MP3 streaming.
Also see the port information in the table on page 62.
• Set up a streaming proxy server. The proxy server is placed in the network DMZ—an
area on the network that is between an external firewall to the Internet and an
internal firewall between the DMZ and the internal network. Using firewall rules,
packets with the ports defined above are allowed from the proxy server to clients
through the internal firewall, and also between the proxy server and the Internet via
the external firewall. However, clients are not allowed to make direct connections to
external resource over those ports. This approach ensures that all packets bound for
the internal network come through the proxy server, providing an additional layer of
network security.
- Mac OS X Server 1
- Contents 3
- About This Guide 7
- 8 Preface 8
- About This Guide 8
- Preface 9
- About This Guide 9
- What’s in This Guide 10
- Using Onscreen Help 10
- The Mac OS X Server Suite 11
- Getting Documentation Updates 12
- For More Information 13
- What Is Streaming? 15
- RTSP) Delivery 16
- Instant-On Streaming 16
- Simple Setup for Live Video 17
- Multicast Versus Unicast 19
- Setting Up Your QuickTime 23
- Streaming Server 23
- Bandwidth Considerations 24
- Testing Your Setup 25
- Managing Your QuickTime 27
- QuickTime Streaming 28
- Setting Up Relay Streams 31
- Security and Access 33
- Advanced Management Tasks 35
- Configuring a Multicast Relay 39
- Managing Your Media With 41
- QTSS Publisher 41
- About Playlists and Hinting 42
- Connecting to Mac OS X Server 43
- QuickTime Player 44
- Delivering Your Content 48
- Troubleshooting and 51
- Technical Information 51
- Maintains 53
- Setup Example 57
- 58 Chapter 6 Setup Example 58
- Setting It Up 59
- 60 Chapter 6 Setup Example 60
- Chapter 6 Setup Example 61 61
- • Good-quality DV camera 63
- • Portable lighting kit 63
- 64 Chapter 6 Setup Example 64
- Chapter 6 Setup Example 65 65
- 66 Chapter 6 Setup Example 66
- 68 Chapter 6 Setup Example 68
- Chapter 6 Setup Example 69 69
- 70 Chapter 6 Setup Example 70
- Glossary 71
- 72 Glossary 72
- Glossary 73 73
- 74 Glossary 74
- Glossary 75 75
- 76 Glossary 76
- Glossary 77 77
- 78 Glossary 78
- 80 Index 80
- Index 81 81
- 82 Index 82
- Index 83 83
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Avaya 1150E manuals
Owner’s manuals and user’s guides for IP phones Avaya 1150E.
We providing 4 pdf manuals Avaya 1150E for download free by document types: User Manual, User's Guide
Table of contents
Table of contents
Table of contents
Contents
10
Diagnostics
63
5. USB Devices
104
Features
107
Default login
110
Agent logout
111
Call Forcing
113
Use Not Ready
114
Agent Keys
120
Answer Agent
121
Answer Emergency
121
Call Agent
122
Observe Agent
123
Interflow
125
Night Service
125
Using Predial
128
Using Auto Dial
129
Using Ring Again
130
Using Speed Call
131
Answering a call
135
Using Call Park
139
Override Feature
150
Using Radio Page
151
Using Voice Call
153
Use Call Waiting
157
Forward calls
159
Join a call
165
Use Group Call
167
Using SAVE key
170
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