DNS服务相关概念详解

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要学习的知识

 DNS:域名解析,BIND:Berkeley Internet Name Domain SSL/TLS:http-->https,OpenSSL,CA,Digital Certificate,PKI     HTTP:http协议,Apache,LAMP,Nginx(Engeer X) ,LNMP,MySQL,PHP,varnish(与Web缓存相关的) CDN:DNS(view)+varnish File Server:NFS,SMB/CIFS,FTP     Netfilter(文件过滤器):iptables(filter,nat,mangle,raw)   ;tcp warpper NSSwitch:framework,platform;PAM SMTP/POP3/IMAP4:Mail Server  SElinux: Security Enhanced Linux      C2-->SElinux-->B2 MySQL:

DNS :Domain Name Service

 域名:www.dearamaze.com(主机,Full Qualified Domain Name ,完全限定域名) DNS:名称解析,Name Resolving,名称转换(背后有查询过程,数据库)     FQDN<-->IP NSSwitch:libnss_files.so  libnss_dns.so hosts:files   dns file:/etc/hosts dns:DNS stub resolver:名称解析器 hosts:     IPADDR  FQDN Ailances172.16.0.1  www.dearamaze.com  fdl IANA:IP,FQDN ICANN:

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