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Apple Mac OS - page 1
M a c OS X Se r v er iChat Service Administration F or V ersi on 1 0.5 L eopard ...
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Apple Mac OS - page 2
K Apple Inc. © 2007 Apple Inc. All rights reserved. The owner or authoriz ed user of a valid copy of Mac OS X Ser v er software might reproduce this publication for the purpose of learning to use such software. No part of this publication might be reproduced or transmitted f or commercial purposes , such as selling copies of this publication or f ...
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3 1 C ont en ts Prefac e 5 About This Guide 5 What’ s New in V ersion 1 0.5 6 What’ s in this Guide 6 Using Onscreen Help 7 Adv anced Ser ver A dministration Guides 8 Viewing PDF Guides on Screen 8 Printing PDF Guide s 9 Getting Documentation Updates 9 Getting Additional Information Chapter 1 1 1 Understanding iChat Service 11 How iChat Works 1 ...
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4 Contents 22 Setting Access C ontrol for iChat 22 Setting SACL P ermissions for Users and Groups 23 Setting SACL P ermissions for Administrators 23 Using SSL for iChat 24 Locating iChat C onfiguration Files 25 Viewing iChat Logs 25 T urning Auto-Buddy Suppor t On 25 Stopping iChat Chapter 3 27 Setting Up Adv anced iChat Service Configurations 27 L ...
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Apple Mac OS - page 5
5 Prefac e About This Guide This guide pro vides instructions for setting up , configuring, and administering iChat service on Mac OS X Ser ver . Instant messaging in volves liv e interactions between computer users ex changing text, pictures, audio , and video . Instant messaging is also known as chatting, because of its spontaneous , con versatio ...
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Apple Mac OS - page 6
6 Preface About This Guide What’ s in this Guide This guide includes the f ollowing chapters: Â Chapter 1, “Understanding iChat Service,” highlights key concepts and provide s basic information about iChat messaging in action, iChat messaging in organizations, and overviews of the iChat ser vice . Â Chapter 2, “Setting Up and Managing iCh ...
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Apple Mac OS - page 7
Preface About This Guide 7 Adv anced Ser v er Administr ation Guides Getting Star ted covers installation and setup f or standard and workgroup c onfigurations of Mac OS X Ser ver. F or advanced configurations , Ser v er Administration covers planning , installation, setup , and general ser ver administration. A suite of additional guides, listed b ...
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Apple Mac OS - page 8
8 Preface About This Guide Viewing PDF Guides on Screen While reading the PDF version of a guide onscreen: Â Show bookmarks to see the guide’ s outline, and click a bookmark to jump to the corres ponding section. Â Search for a wor d or phrase to see a list of places where it appears in the documen t. Click a listed place to see the page where ...
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Apple Mac OS - page 9
Preface About This Guide 9 Getting Documentation Updates P eriodically , Apple posts revised help page s and new editions of guides. Some revised help pages update the latest editions of the guide s. Â T o view new onscreen help topics for a server application, mak e sur e your server or administrator computer is connected to the In ternet and cli ...
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10 Preface About This Guide ...
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Apple Mac OS - page 11
1 11 1 Understanding iChat Ser vice Mac OS X iChat ser vic e provide s secure instant me ssaging for users suppor ted b y Mac OS X Ser v er . iChat is a ser vic e that permits users to collaborate by chatting and sharing inf ormation using instant messaging and data transf er . This real-time int eraction between computer users promotes collaborati ...
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Apple Mac OS - page 12
12 Chapter 1 Understanding iChat Service Apple uses the jabberd software , which implements the Jabber protocol. Jabber is a trademarked term given to this XMPP prot ocol by the Jabber Software F oundation. iChat provides peer-file transf er between users that can ’t establish direct connections to a network beca use of intervening firewalls that ...
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Chapter 1 Understanding iChat Service 13 Step 1: Initiating a chat T o star t a chat with another user , you must first know the user ’ s short name and the domain name that iChat is configured to use . Step 2: V erifying identity iChat verifies the identity of users by using Open Directory authentication. Users are authenticated only if they’ ...
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Apple Mac OS - page 14
14 Chapter 1 Understanding iChat Service Y ou can also use Ser v er Admin to create cust omized iChat configurations depending on your organizations requir emenets. For more details , see Chapter 3, “Setting Up Adv anced iChat Ser vice C onfigurations.” This includes setting up a server-to-server federation. When the ser ver-to-server federatio ...
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Apple Mac OS - page 15
Chapter 1 Understanding iChat Service 15 W orkgroup Manager W orkgroup Manager provides c omprehensive management of Mac OS X Server clients and users. F or basic information about using Workgroup Manager , see User Management . This includes information such as:  Opening and authenticating in Workgr oup Manager  Administering accoun ts  Cust ...
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16 Chapter 1 Understanding iChat Service ...
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Apple Mac OS - page 17
2 17 2 Setting Up and Managing iChat Ser vice This chapter de scribes how t o set up and manage iChat in Mac OS X Ser ver . This chapter helps you perform the initial iChat service setup and provides information about using, managing, and administering iChat. Understanding iChat Screen Name s iChat screen names are Jabber IDs and use the general f ...
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Apple Mac OS - page 18
18 Chapter 2 Setting Up and Managing iChat Service Setup O v er view Here is an overview of the steps for setting up iChat service: Step 1: Configure and start Open Director y iChat uses Open Directory to authenticate users and must be configured bef ore setting up iChat. S ee “ Configuring and Starting Open Director y ” on page 1 8. Step 2: (O ...
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Apple Mac OS - page 19
Chapter 2 Setting Up and Managing iChat Service 19 Opening F irewall P or ts f or iChat Ser vice iChat requires s pecific por ts to be open on y our ser v er . If y ou have a firewall configur ed or you are using the Mac OS X Server firewall, you must enable these ports before you can use iChat. Depending on the iChat functions you require, make su ...
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Apple Mac OS - page 20
20 Chapter 2 Setting Up and Managing iChat Service  General. Use to set host domains, SSL cer tificate , authentication method , and XMPP ser v er-to-server federation for iChat.  Logging . Use t o configure message log settings f or iChat. The follo wing sections describe how to configure these settings , and a final sec tion tells you how t o ...
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Apple Mac OS - page 21
Chapter 2 Setting Up and Managing iChat Service 21 9 If you are using a certificate with iChat, selec t “Require secure server-to-ser v er federation.” This option require s an SSL cer tificat e to be installed , which is used to secure the ser v er-to-server federation. For more inf ormation, see “Securing S2S Connections” on page 28. 10 T ...
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Apple Mac OS - page 22
22 Chapter 2 Setting Up and Managing iChat Service T o start iChat ser vice: 1 Open Ser v er Admin and connect to the server . 2 Click the triangle to the left of the ser v er . The list of services appears. 3 In the expanded Ser vers list , click iChat. 4 Click Star t iChat (belo w the Ser vers list). Managing iChat In this section you learn about ...
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Apple Mac OS - page 23
Chapter 2 Setting Up and Managing iChat Service 23 5 Select the level of restriction you want for the services: T o restrict access to all services, select “F or all ser vices.” T o set access permissions for individual services, select “F or selected ser vices below” and select the ser vices fr om the Ser vice list. 6 Select the level of r ...
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Apple Mac OS - page 24
24 Chapter 2 Setting Up and Managing iChat Service The digital certificate can be a self-signed cer tificat e or a cer tificat e impor t ed from a certificate authority . For information about defining , obtaining , and installing certificates on your ser v er , see Ser v er Administration . iChat uses SSL to encrypt your chat messages that are sen ...
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Apple Mac OS - page 25
Chapter 2 Setting Up and Managing iChat Service 25 Viewing iChat Logs Y ou can view iChat logs using Ser v er Admin. iChat logs are located in the following locations: Â The iChat service log is located in /var/log/system.log . Â The iChat file pro xy log is located in /private/var/jabberd/log/pr oxy65.log . Â The iChat multiuser confer ence log ...
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26 Chapter 2 Setting Up and Managing iChat Service ...
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3 27 3 Setting Up Adv anced iChat Ser vice C onfigura tions This chapter t ells you how t o customize iChat t o create advanc ed configurations . iChat provides the f ollowing advanced c onfiguration options: Â “Linking Multiple Chat Ser vers (S2S)” on page 27 Â “Securing S2S Connections” on page 28 Â “Integrating with Directory Ser vi ...
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Apple Mac OS - page 28
28 Chapter 3 Setting Up Advanced iChat Service Configurations Using Ser v er Admin, you can take advantage of additional options for securing S2S communications. These options include filtering domains where servers are matched against a given list. T o enable or disable S2S communication: 1 Open Ser v er Admin and connect to the server . 2 Click t ...
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Apple Mac OS - page 29
Chapter 3 Setting Up Advanced iChat Service Configurations 29 By default, iChat selects a por t using a preinstalled , self-signed SSL cer tificate. Y ou can select your own certificate. T he selected cer tificate is used f or client-to-server communications on ports 522 2 and 522 3 and for ser ver-t o-ser v er communications. Jabber provides the f ...
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Apple Mac OS - page 30
30 Chapter 3 Setting Up Advanced iChat Service Configurations 5 Select “ Allow federation with the f ollowing domains ” to restrict S2S communication to those ser v ers listed. Y ou can add or remov e domains using the Add (+) or Delete (–) buttons below the list. The entries can be c omplete host names or domains (this can be a mix of server ...
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Apple Mac OS - page 31
Chapter 3 Setting Up Advanced iChat Service Configurations 31 Setting Up iChat on V irtually Hosted Domains iChat requires that y our host have a host name to be used as the Jabber r ealm by the iChat ser v er that is resolvable using DNS. This host name is used as the Jabber realm by the iChat ser v er , and clients use this realm to c onnect to t ...
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32 Chapter 3 Setting Up Advanced iChat Service Configurations ...
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Apple Mac OS - page 33
33 Glossary Glossar y AFP Apple F iling Prot ocol. A client/ser ver pr otocol used by Apple file service to share files and network services. AFP uses T CP/IP and other protocols to support communication between comput ers on a network. address A number or other identifier that uniquely iden tifies a computer on a network, a block of data stored on ...
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Apple Mac OS - page 34
34 Glossary daemon A program that runs in the background and pro vides important system ser vic es, such as processing incoming email or handling reque sts from the network. DHCP Dynamic Host Configuration Protocol. A protocol used t o dynamically distribute IP addresses to clien t computers. Each time a client computer starts up, the protocol look ...
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Apple Mac OS - page 35
Glossary 35 file server A computer that serves files to clients. A file ser v er may be a general- purpose computer that’ s capable of hosting additional applications or a computer capable only of ser ving file s. file system A scheme for st oring data on storage devices that allows applications t o read and write files without ha ving to deal wi ...
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Apple Mac OS - page 36
36 Glossary IP subnet A portion of an IP network, which ma y be a physically independent netw ork segment, that shares a network addre ss with other por tions of the netw ork and is identified by a subnet number . Kerberos A secure netw ork authentication system. Kerberos uses tickets, which are issued for a specific user , ser vice , and period of ...
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Apple Mac OS - page 37
Glossary 37 nfsd daemon An NFS server process that runs continuously behind the sc enes and processes NFS pr otocol and mount prot ocol requests from clien ts. nfsd can have multiple threads. The more NFS server threads, the better concurrency . Open Directory The Apple director y services architecture , which can access authoritative inf ormation ...
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Apple Mac OS - page 38
38 Glossary protocol A set of rule s that determines how data is sent back and f orth between two applications. Q TSS Quick Time Streaming Server . A technology that lets you deliver media ov er the Internet in real time . queue An orderly waiting area where items wait f or some type of attention from the system. See also print queue . QuickTime A ...
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Apple Mac OS - page 39
Glossary 39 ticket, Kerberos A temporary credential that proves a Kerber os client’ s identity to a ser vic e. T ransmission Contr ol Protoc ol See TC P . UDP User Datagram Pr otocol. A communications method that uses the Internet Prot ocol (IP) to send a data unit (called a datagram) from one comput er to another on a network. Network applicatio ...
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Apple Mac OS - page 40
40 Glossary ...
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Apple Mac OS - page 41
41 Index Index A access, service 30 accounts, adding 17 administrator 30 administrator, privileges of 23 administrator computer 14 AFP (Apple Filing Protocol) service management of 22 After 17 approved list, domain 29, 30 authentication 12, 30 auto-buddy support 25 B buddies 17, 25 business size and iChat 13, 14 C certificates 12, 24, 29 chat servi ...
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Apple Mac OS - page 42
42 Index administrator 23 ports, encryption 29 privileges, administrator 23 public key certificates. See certificates R realms. See Kerberos S S2S connections 12 SACLs (service access control lists) 22 screen names, iChat 17 Secure Sockets Layer. See SSL 17 security access control 30 approved list 29, 30 authentication 12, 30 firewalls 12 s2s sessi ...
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