一、默认网站
每一个web服务器软件一般默认都会提供一个用于测试的网站，apache也为用户提供了一个默认网站。默认网站的配置写在默认配置文件中。
二、配置文件
[root@apache_251 conf]# cat httpd.conf
ServerRoot “/usr/local/apache” Listen 80 LoadModule mpm_event_module modules/mod_mpm_event.so LoadModule authn_file_module modules/mod_authn_file.so LoadModule authn_core_module modules/mod_authn_core.so LoadModule authz_host_module modules/mod_authz_host.so LoadModule authz_groupfile_module modules/mod_authz_groupfile.so LoadModule authz_user_module modules/mod_authz_user.so LoadModule authz_core_module modules/mod_authz_core.so LoadModule access_compat_module modules/mod_access_compat.so LoadModule auth_basic_module modules/mod_auth_basic.so LoadModule reqtimeout_module modules/mod_reqtimeout.so LoadModule filter_module modules/mod_filter.so LoadModule mime_module modules/mod_mime.so LoadModule log_config_module modules/mod_log_config.so LoadModule env_module modules/mod_env.so LoadModule headers_module modules/mod_headers.so LoadModule setenvif_module modules/mod_setenvif.so LoadModule version_module modules/mod_version.so LoadModule unixd_module modules/mod_unixd.so LoadModule status_module modules/mod_status.so LoadModule autoindex_module modules/mod_autoindex.so LoadModule dir_module modules/mod_dir.so LoadModule alias_module modules/mod_alias.so User daemon Group daemon ServerAdmin you@example.com ServerName 127.0.0.1 AllowOverride none Require all denied DocumentRoot “/usr/local/apache/htdocs” Options Indexes FollowSymLinks AllowOverride None Require all granted DirectoryIndex index.html Require all denied ErrorLog “logs/error_log” LogLevel warn LogFormat “%h %l %u %t ”%r” %>s %b ”%{Referer}i” ”%{User-Agent}i”” combined LogFormat “%h %l %u %t ”%r” %>s %b” common LogFormat “%h %l %u %t ”%r” %>s %b ”%{Referer}i” ”%{User-Agent}i” %I %O” combinedio CustomLog “logs/access_log” common Redirect permanent /abc http://www.baidu.com Redirect permanent /123 /7878 Redirect seeother /123 /7878 Redirect gone /123 Alias /abc /usr/local/apache/htdocs/7878 ScriptAlias /cgi-bin/ “/usr/local/apache/cgi-bin/“ AllowOverride None Options None Require all granted RequestHeader unset Proxy early TypesConfig conf/mime.types AddType application/x-compress .Z AddType application/x-gzip .gz .tgz Include conf/extra/proxy-html.conf SSLRandomSeed startup builtin SSLRandomSeed connect builtin