BIND服务器配置.ppt

配置配置 DNS DNS 服务器( 服务器( RHEL4 RHEL4 ) ) 目录目录 1. 1. DNS DNS 简介简介 2. 2. IP IP地址和主机名地址和主机名( (域名域名) )的转换方法的转换方法 3. BIND BIND 4. 5. ( 配置主( master master ) ) DNS DNS 服务器服务器 6. ( 配置从( slave slave ) ) DNS DNS 服务器服务器例子例子 Names and addresses in general Names and addresses in general ?? An address is how you get to an endpoint An address is how you get to an endpoint ?? Typically, hierarchical (for scaling): Typically, hierarchical (for scaling): ?? 950 Milton Street, Brisbane City, QLD 4064 950 Milton Street, Brisbane City, QLD 4064 ?? ?? A A ““ name name ”” is how an endpoint is referenced is how an endpoint is referenced ?? Typically, no structurally significant hierarchy Typically, no structurally significant hierarchy ??““ David David ””, , ““ Tokyo Tokyo ””, , ““ ”” Purpose of naming Purpose of naming ?? Addresses are used to locate objects Addresses are used to locate objects ?? Names are easier to remember than numbers Names are easier to remember than numbers ?? You would like to get to the address or other objects using a You would like to get to the address or other objects using a name name ?? DNS provides a mapping from names to resources of DNS provides a mapping from names to resources of several types several types Naming History Naming History ?? 1970 1970 ’’ s s ?? maintained by the SRI-NIC maintained by the SRI-NIC ?? pulled from a single machine pulled from a single machine ?? Problems Problems ?? traffic and load traffic and load ?? Name collisions Name collisions ?? Consistency Consistency ?? DNS created in 1983 by Paul DNS created in 1983 by Paul Mockapetris Mockapetris ( ( RFCs RFCs 1034 and 1034 and 1035), modified, updated, and enhanced by a myriad of 1035), modified, updated, and enhanced by a myriad of subsequent subsequent RFCs RFCs 2. IP 2. IP 地址和主机名地址和主机名( (域名域名) )的转换方法的转换方法?? Host Host 表( 表( /etc/hosts /etc/hosts 文件) 文件) ??存放了主机名