第一章:DNS 的起源和背景.................................................................................................................1
第二章:DNS 的体系结构和原理.........................................................................................................3
2.1 域名空间和体系结构....................................................................................................................3
2.2 域和域名.......................................................................................................................................3
2.3 区和域的不同...............................................................................................................................4
2.4 域名服务器的类型........................................................................................................................5
2.4.1 主域名服务器.........................................................................................................................6
2.4.2 辅域名服务器(次级域名服务器) ....................................................................................6
2.4.3 隐藏服务器(stealth server) ..............................................................................................6
2.4.4 高速缓存域名服务器(caching only server).....................................................................6
2.4.5 转发服务器(forwarding server) .......................................................................................6
2.5 DNS 基本原理...............................................................................................................................6
第三章:建立DNS 系统服务................................................................................................................8
3.1 DNS 系统的来源...........................................................................................................................8
3.2 系统的要求...................................................................................................................................8
3.2.1 硬件需求...............................................................................................................................8
3.2.2 CPU 需求...............................................................................................................................8
3.2.3 内存需求...............................................................................................................................8
3.2.4 域名服务器的高配置问题....................................................................................................8
3.2.5 支持操作系统........................................................................................................................9
3.2.6 获得bind 9.2.3........................................................................................................................9
第四章:域名服务器配置....................................................................................................................10
4.1 配置实例....................................................................................................................................10
4.1.1 高速缓冲域名服务器(Caching-Only DNS) ...................................................................10
4.1.2 授权的域名服务器(Authoritative-only DNS) ................................................................10
4.2 负载分担....................................................................................................................................11
4.3 通告(NOTIFY)........................................................................................................................12
4.4 域名服务器的运行.....................................................................................................................12
4.4.1 域名服务器后台进程工具的使用......................................................................................12
4.4.1.1 诊断工具.......................................................................................................................................12
4.4.1.2 管理工具......................................................................................................................................13
4.4.2 信号(Signals) ..................................................................................................................16
第五章 高级理念.................................................................................................................................17
5.1 动态更新....................................................................................................................................17
5.1.1 日志文件(journal file) ....................................................................................................17
5.2 增量域传输(IXFR)................................................................................................................17
5.3 拆分DNS...................................................................................................................................18
5.4 TSIG(信号安全处理) .............................................................................................................21
5.4.1 为每对主机产生共享密匙..................................................................................................21
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