| 目标 | 重写设置 | 说明 | 
| 规范化URL | RewriteRule ^/~([^/]+)/?(.*) /u/$1/$2 [R] | 将/~user重写为/u/user的形式 | 
|  | RewriteRule ^/([uge])/([^/]+)$ /$1/$2/ [R] | 将/u/user末尾漏掉的/补上 | 
|  |  |  | 
| 规范化HostName | RewriteCond %{HTTP_HOST} !^fully\.qualified\.domain\.name [NC] | 域名不合格 | 
|  | RewriteCond %{HTTP_HOST} !^$ | 不空 | 
|  | RewriteCond %{SERVER_PORT} !^80$ | 不是80端口 | 
|  | RewriteRule ^/(.*) http://fully.qualified.domain.name:%{SERVER_PORT}/$1 [L,R] | 重写 | 
|  | RewriteCond %{HTTP_HOST} !^fully\.qualified\.domain\.name [NC] |  | 
|  | RewriteCond %{HTTP_HOST} !^$ |  | 
|  | RewriteRule ^/(.*) http://fully.qualified.domain.name/$1 [L,R] |  | 
|  |  |  | 
| URL根目录转移 | RewriteEngine on |  | 
|  | RewriteRule ^/$ /e/www/ [R] | 从/移到/e/www/ | 
|  |  |  | 
| 末尾目录补斜线 | RewriteEngine on |  | 
| (目录范围内) | RewriteBase /~quux/ |  | 
|  | RewriteRule ^foo$ foo/ [R] | /~quux/foo是一个目录,补/ | 
|  |  |  | 
|  | RewriteEngine on |  | 
|  | RewriteBase /~quux/ |  | 
|  | RewriteCond %{REQUEST_FILENAME} -d | 如果请文件名是个目录 | 
|  | RewriteRule ^(.+[^/])$ $1/ [R] | URL末尾不是斜线时补上 | 
|  |  |  | 
| Web集群 | RewriteEngine on |  | 
|  | RewriteMap user-to-host txt:/path/to/map.user-to-host | 用户-服务器映射 | 
|  | RewriteMap group-to-host txt:/path/to/map.group-to-host | 组-服务器映射 | 
|  | RewriteMap entity-to-host txt:/path/to/map.entity-to-host | 实体-服务器映射 | 
|  | RewriteRule ^/u/([^/]+)/?(.*) http://${user-to-host:$1|server0}/u/$1/$2 | 用户均衡 | 
|  | RewriteRule ^/g/([^/]+)/?(.*) http://${group-to-host:$1|server0}/g/$1/$2 | 组均衡 | 
|  | RewriteRule ^/e/([^/]+)/?(.*) http://${entity-to-host:$1|server0}/e/$1/$2 | 实体均衡 | 
|  | RewriteRule ^/([uge])/([^/]+)/?$ /$1/$2/.www/ |  | 
|  | RewriteRule ^/([uge])/([^/]+)/([^.]+.+) /$1/$2/.www/$3\ |  | 
|  |  |  | 
| URL根目录搬迁 | RewriteEngine on |  | 
|  | RewriteRule ^/~(.+) http://newserver/~$1 [R,L] | 到其它服务器 | 
|  |  |  | 
| 所用户名首字母分 | RewriteEngine on |  | 
|  | RewriteRule ^/~(([a-z])[a-z0-9]+)(.*) /home/$2/$1/.www$3 | 内一层括号为$2 | 
|  |  |  | 
| NCSA imagemap移 | RewriteEngine on |  | 
| 植为mod_imap | RewriteRule ^/cgi-bin/imagemap(.*) $1 [PT] |  | 
|  |  |  | 
| 多目录查找资源 | RewriteEngine on |  | 
|  | # first try to find it in custom/... |  | 
|  | RewriteCond /your/docroot/dir1/%{REQUEST_FILENAME} -f |  | 
|  | RewriteRule ^(.+) /your/docroot/dir1/$1 [L] |  | 
|  | # second try to find it in pub/... |  | 
|  | RewriteCond /your/docroot/dir2/%{REQUEST_FILENAME} -f |  | 
|  | RewriteRule ^(.+) /your/docroot/dir2/$1 [L] |  | 
|  | # else go on for other Alias or ScriptAlias directives, |  | 
|  | RewriteRule ^(.+) - [PT] |  | 
|  |  |  | 
| 据URL设置环境变量 | RewriteEngine on |  | 
|  | RewriteRule ^(.*)/S=([^/]+)/(.*) $1/$3 [E=STATUS:$2] |  | 
|  |  |  | 
| 虚拟主机 | RewriteEngine on |  | 
|  | RewriteCond %{HTTP_HOST} ^www\.[^.]+\.host\.com$ | 基于用户名 | 
|  | RewriteRule ^(.+) %{HTTP_HOST}$1 [C] |  | 
|  | RewriteRule ^www\.([^.]+)\.host\.com(.*) /home/$1$2 |  | 
|  |  |  | 
| 内外人有别 | RewriteEngine on |  | 
|  | RewriteCond %{REMOTE_HOST} !^.+\.ourdomain\.com$ | 基于远程主机 | 
|  | RewriteRule ^(/~.+) http://www.somewhere.com/$1 [R,L] |  | 
|  |  |  | 
| 错误重定向 | RewriteEngine on |  | 
|  | RewriteCond /your/docroot/%{REQUEST_FILENAME} !-f | 不是regular文件 | 
|  | RewriteRule ^(.+) http://webserverB.dom/$1 |  | 
|  |  |  | 
| 程序处理特殊协议 | RewriteRule ^xredirect:(.+) /path/to/nph-xredirect.cgi/$1 \ | Xredirect协议 | 
|  | [T=application/x-httpd-cgi,L] |  | 
|  |  |  | 
| 最近镜像下载 | RewriteEngine on |  | 
|  | RewriteMap multiplex txt:/path/to/map.cxan | 顶级域名与最近ftp服务器映射 | 
|  | RewriteRule ^/CxAN/(.*) %{REMOTE_HOST}::$1 [C] |  | 
|  | RewriteRule ^.+\.([a-zA-Z]+)::(.*)$ ${multiplex:$1|ftp.default.dom}$2 [R,L] | 据顶级域名不同提供不同的FTP服务器 | 
|  |  |  | 
| 基于时间重写 | RewriteEngine on |  | 
|  | RewriteCond %{TIME_HOUR}%{TIME_MIN} >0700 |  | 
|  | RewriteCond %{TIME_HOUR}%{TIME_MIN} <1900 |  | 
|  | RewriteRule ^foo\.html$ foo.day.html | 白天为早晚7点间 | 
|  | RewriteRule ^foo\.html$ foo.night.html | 其余为夜间 | 
|  |  |  | 
| 向前兼容扩展名 | RewriteEngine on |  | 
|  | RewriteBase /~quux/ |  | 
|  | # parse out basename, but remember the fact |  | 
|  | RewriteRule ^(.*)\.html$ $1 [C,E=WasHTML:yes] |  | 
|  | # rewrite to document.phtml if exists |  | 
|  | RewriteCond %{REQUEST_FILENAME}.phtml -f | 如果存在$1.phtml则重写 | 
|  | RewriteRule ^(.*)$ $1.phtml [S=1] |  | 
|  | # else reverse the previous basename cutout |  | 
|  | RewriteCond %{ENV:WasHTML} ^yes$ | 如果不存在$1.phtml,则保持不变 | 
|  | RewriteRule ^(.*)$ $1.html |  | 
|  |  |  | 
| 文件改名(目录级) | RewriteEngine on | 内部重写 | 
|  | RewriteBase /~quux/ |  | 
|  | RewriteRule ^foo\.html$ bar.html |  | 
|  |  |  | 
|  | RewriteEngine on | 重定向由客户端再次提交 | 
|  | RewriteBase /~quux/ |  | 
|  | RewriteRule ^foo\.html$ bar.html [R] |  | 
|  |  |  | 
| 据浏览器类型重写 | RewriteCond %{HTTP_USER_AGENT} ^Mozilla/3.* |  | 
|  | RewriteRule ^foo\.html$ foo.NS.html [L] |  | 
|  | RewriteCond %{HTTP_USER_AGENT} ^Lynx/.* [OR] |  | 
|  | RewriteCond %{HTTP_USER_AGENT} ^Mozilla/[12].* |  | 
|  | RewriteRule ^foo\.html$ foo.20.html [L] |  | 
|  | RewriteRule ^foo\.html$ foo.32.html [L] |  | 
|  |  |  | 
| 动态镜像远程资源 | RewriteEngine on |  | 
|  | RewriteBase /~quux/ |  | 
|  | RewriteRule ^hotsheet/(.*)$ http://www.tstimpreso.com/hotsheet/$1 [P] | 利用了代理模块 | 
|  |  |  | 
|  | RewriteEngine on |  | 
|  | RewriteBase /~quux/ |  | 
|  | RewriteRule ^usa-news\.html$ http://www.quux-corp.com/news/index.html [P] |  | 
|  |  |  | 
| 反向动态镜像 | RewriteEngine on |  | 
|  | RewriteCond /mirror/of/remotesite/$1 -U |  | 
|  | RewriteRule ^http://www\.remotesite\.com/(.*)$ /mirror/of/remotesite/$1 |  | 
|  |  |  | 
| 负载均衡 | RewriteEngine on | 利用代理实现round-robin效果 | 
|  | RewriteMap lb prg:/path/to/lb.pl |  | 
|  | RewriteRule ^/(.+)$ ${lb:$1} [P,L] |  | 
|  |  |  | 
|  | #!/path/to/perl |  | 
|  | $| = 1; |  | 
|  | $name = "www"; # the hostname base |  | 
|  | $first = 1; # the first server (not 0 here, because 0 is myself) |  | 
|  | $last = 5; # the last server in the round-robin |  | 
|  | $domain = "foo.dom"; # the domainname |  | 
|  | $cnt = 0; |  | 
|  | while (<STDIN>) { |  | 
|  | $cnt = (($cnt+1) % ($last+1-$first)); |  | 
|  | $server = sprintf("%s%d.%s", $name, $cnt+$first, $domain); |  | 
|  | print "http://$server/$_"; |  | 
|  | } |  | 
|  | ##EOF## |  | 
|  |  |  | 
| 静态页面变脚本 | RewriteEngine on |  | 
|  | RewriteBase /~quux/ |  | 
|  | RewriteRule ^foo\.html$ foo.cgi [T=application/x-httpd-cgi] |  | 
|  |  |  | 
| 阻击机器人 | RewriteCond %{HTTP_USER_AGENT} ^NameOfBadRobot.* |  | 
|  | RewriteCond %{REMOTE_ADDR} ^123\.45\.67\.[8-9]$ |  | 
|  | RewriteRule ^/~quux/foo/arc/.+ - [F] |  | 
|  |  |  | 
| 阻止盗连你的图片 | RewriteCond %{HTTP_REFERER} !^$ |  | 
|  | RewriteCond %{HTTP_REFERER} !^http://www.quux-corp.de/~quux/.*$ [NC] | 自己的连接可不能被阻止 | 
|  | RewriteRule .*\.gif$ - [F] |  | 
|  |  |  | 
|  | RewriteCond %{HTTP_REFERER} !^$ |  | 
|  | RewriteCond %{HTTP_REFERER} !.*/foo-with-gif\.html$ |  | 
|  | RewriteRule ^inlined-in-foo\.gif$ - [F] |  | 
|  |  |  | 
| 拒绝某些主机访问 | RewriteEngine on |  | 
|  | RewriteMap hosts-deny txt:/path/to/hosts.deny |  | 
|  | RewriteCond ${hosts-deny:%{REMOTE_HOST}|NOT-FOUND} !=NOT-FOUND [OR] |  | 
|  | RewriteCond ${hosts-deny:%{REMOTE_ADDR}|NOT-FOUND} !=NOT-FOUND |  | 
|  | RewriteRule ^/.* - [F] |  | 
|  |  |  | 
| 用户授权 | RewriteCond %{REMOTE_IDENT}@%{REMOTE_HOST} !^friend1@client1.quux-corp\.com$ |  | 
|  | RewriteCond %{REMOTE_IDENT}@%{REMOTE_HOST} !^friend2@client2.quux-corp\.com$ |  | 
|  | RewriteCond %{REMOTE_IDENT}@%{REMOTE_HOST} !^friend3@client3.quux-corp\.com$ |  | 
|  | RewriteRule ^/~quux/only-for-friends/ - [F] |  | 
|  |  |  | 
| 外部重写程序模板 | RewriteEngine on |  | 
|  | RewriteMap quux-map prg:/path/to/map.quux.pl |  | 
|  | RewriteRule ^/~quux/(.*)$ /~quux/${quux-map:$1} |  | 
|  |  |  | 
|  | #!/path/to/perl |  | 
|  | $| = 1; |  | 
|  | while (<>) { |  | 
|  | s|^foo/|bar/|; |  | 
|  | print $_; |  | 
|  | } |  | 
|  |  |  | 
| 搜索引擎友好 | RewriteRule ^/products$ /content.php |  | 
|  | RewriteRule ^/products/([0-9]+)$ /content.php?id=$1 |  | 
|  | RewriteRule ^/products/([0-9]+),([ad]*),([0-9]{0,3}),([0-9]*),([0-9]*$) /marso/content.php?id=$1&sort=$2&order=$3&start=$4 |