DNS\uff08Domain Name System\uff0c\u57df\u540d\u7cfb\u7edf\uff09\uff0c\u56e0\u7279\u7f51\u4e0a\u4f5c\u4e3a\u57df\u540d\u548cIP\u5730\u5740\u76f8\u4e92\u6620\u5c04\u7684\u4e00\u4e2a\u5206\u5e03\u5f0f\u6570\u636e\u5e93\uff0c\u80fd\u591f\u4f7f\u7528\u6237\u66f4\u65b9\u4fbf\u7684\u8bbf\u95ee\u4e92\u8054\u7f51\u3002\u901a\u8fc7\u4e3b\u673a\u540d\uff0c\u6700\u7ec8\u5f97\u5230\u8be5\u4e3b\u673a\u540d\u5bf9\u5e94\u7684IP\u5730\u5740\u7684\u8fc7\u7a0b\u53eb\u505a\u57df\u540d\u89e3\u6790\uff08\u6216\u4e3b\u673a\u540d\u89e3\u6790\uff09\u3002DNS\u8fd0\u884c\u5728UDP\u534f\u8bae\u4e4b\u4e0a\uff0c\u4f7f\u7528\u7aef\u53e3\u53f753\u3002<\/p>\n
<\/p>\n
\u4e0b\u9762\u5f00\u59cb\u5728CentOS7\u4e0b\u642d\u5efaDNS\uff0c\u4ec5\u4f9b\u53c2\u8003\uff01<\/p>\n
<\/p>\n
\u8bf4\u660e\uff1a\u672c\u6587\u53ea\u4ecb\u7ecdchroot\u7684\u65b9\u5f0f\uff0c\u5bf9\u4e8e\u975echroot\u7684\u65b9\u5f0f\u4e0d\u505a\u4ecb\u7ecd\uff01<\/p>\n
<\/p>\n
\u73af\u5883\u51c6\u5907\uff1a<\/p>\n
1. \u4e00\u53f0CentOS7\u7684\u673a\u5668<\/p>\n
2. IP\u5730\u5740\uff1a192.168.0.254<\/p>\n
3. \u4e3b\u673a\u540d\uff1aserver.example.com<\/p>\n
<\/p>\n
\u5f00\u59cb\u642d\u5efaDNS<\/p>\n
1. \u5b89\u88c5\u8f6f\u4ef6\u5305<\/p>\n
# yum install bind \u00a0bind-chroot \u00a0bind-utils -y<\/p>\n
2. \u5f00\u59cb\u914d\u7f6e\uff08\u5b89\u88c5chroot\u8f6f\u4ef6\u5305\u4e4b\u540e\uff0cDNS\u6240\u6709\u76f8\u5173\u7684\u6587\u4ef6\u5747\u5728\/var\/named\/chroot\/\u76ee\u5f55\u4e0b\uff09<\/p>\n
# cd \/var\/named\/chroot\/<\/p>\n
# cp \/etc\/named.conf \u00a0.\/<\/p>\n
# chgrp named named.conf<\/p>\n
# vim named.conf<\/p>\n
options {<\/p>\n
listen-on port 53 {any;};<\/p>\n
directory \u00a0“\/var\/named”;<\/p>\n
};<\/p>\n
zone “.” IN {<\/p>\n
type hint;<\/p>\n
file “named.ca”;<\/p>\n
};<\/p>\n
zone “example.com.” \u00a0IN {<\/p>\n
type master;<\/p>\n
file “example.com.zone”;<\/p>\n
};<\/p>\n
zone “0.168.192.IN-addr.arpa.” IN {<\/p>\n
type master;<\/p>\n
file “192.168.0.zone”;<\/p>\n
};<\/p>\n
# cd ..\/var\/named\/<\/p>\n
# cp \/var\/named\/named.ca \u00a0.\/<\/p>\n
# vim example.com.zone<\/p>\n
$TTL 600<\/p>\n
@ IN SOA ns1.example.com. admin.example.com. {<\/p>\n
20150106<\/p>\n
1H<\/p>\n
5M<\/p>\n
2D<\/p>\n
6H)<\/p>\n
IN NS ns1<\/p>\n
IN MX 10 mail<\/p>\n
ns1 IN A 192.168.0.1<\/p>\n
mail IN A 192.168.0.2<\/p>\n
www \u00a0IN \u00a0A 192.168.0.3<\/p>\n
# vim 192.168.0.zone<\/p>\n
$TTL 600<\/p>\n
@ IN SOA ns1.example.com. admin.example.com. {<\/p>\n
2014122322<\/p>\n
1H<\/p>\n
5M<\/p>\n
2D<\/p>\n
6H)<\/p>\n
IN NS ns1.example.com.<\/p>\n
1 \u00a0IN \u00a0PTR \u00a0ns1.example.com.<\/p>\n
2 \u00a0IN \u00a0PTR \u00a0mail.example.com.<\/p>\n
3 \u00a0IN \u00a0PTR \u00a0www.example.com.<\/p>\n
# chgrp named *<\/p>\n
<\/p>\n
3. \u542f\u52a8bind\u670d\u52a1<\/p>\n
# systemctl \u00a0enable \u00a0named-chroot-setup<\/p>\n
# systemctl \u00a0restart \u00a0named-chroot<\/p>\n
<\/p>\n
4. \u6d4b\u8bd5<\/p>\n
# vim \/etc\/resolv.conf<\/p>\n
nameserver \u00a0192.168.0.254<\/p>\n
search example.com<\/p>\n
# nslookup\u00a0www.example.com<\/p>\n
# nslookup 192.168.0.1<\/p>\n
<\/p>\n
<\/p>\n
\u539f\u6587\u94fe\u63a5\uff1ahttps:\/\/www.centoscn.com\/CentosServer\/dns\/2015\/0109\/4460.html<\/p>\n","protected":false},"excerpt":{"rendered":"
DNS\uff08Domain Name System\uff0c\u57df\u540d\u7cfb\u7edf\uff09\uff0c\u56e0\u7279\u7f51\u4e0a\u4f5c\u4e3a\u57df\u540d\u548cIP\u5730\u5740\u76f8\u4e92\u6620\u5c04\u7684\u4e00\u4e2a\u5206\u5e03\u5f0f\u6570\u636e\u5e93 … \u9605\u8bfb\u66f4\u591a<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[49,5],"tags":[495,129],"class_list":["post-1600","post","type-post","status-publish","format-standard","hentry","category-linux","category-jishu","tag-centos7-x","tag-dns"],"aioseo_notices":[],"jetpack_featured_media_url":"","jetpack-related-posts":[],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/1600","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/comments?post=1600"}],"version-history":[{"count":1,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/1600\/revisions"}],"predecessor-version":[{"id":1601,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/1600\/revisions\/1601"}],"wp:attachment":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/media?parent=1600"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/categories?post=1600"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/tags?post=1600"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}