AppleメーカーMac OSの使用説明書/サービス説明書
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M a c OS X Se r v er iChat Service Administration F or V ersi on 1 0.5 L eopard.
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.
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 .
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 onfiguratio.
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 .
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 .
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.
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.
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.
10 Preface About This Guide.
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 .
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.
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.
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.
Chapter 1 Understanding iChat Service 15 W orkgroup Manager W orkgroup Manager provides c omprehensive management of Mac OS X Server clients and users.
16 Chapter 1 Understanding iChat Service.
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.
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.
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.
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.
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.
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.
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.
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 .
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.
26 Chapter 2 Setting Up and Managing iChat Service.
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 .
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 .
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.
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.
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.
32 Chapter 3 Setting Up Advanced iChat Service Configurations.
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.
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.
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.
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.
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.
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.
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.
40 Glossary.
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 approve.
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.
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