apache重写需要开启的模块

一般会增加

LoadModule rewrite_module modules/mod_rewrite.so

但写个 (.*)rewrite 到www.baidu.com发现没有成功

开启rewirte日志

在apache（2.2版本）的配置文件中增加

RewriteLog “/myfolder/mylogfile.log” RewriteLogLevel 9

apache版本2.4及以上

LogLevel alert rewrite:trace3

其中，记录等于由trace1~trace8，数值越大，记录的信息越多。你将能够在你的 apache配置的error_log 中看到这些信息。

打开errorlog,如果vhost下配置了独立的errorlog需要到独立的errorlog文件里看，否则在公共的errorlog里看不到

 [proxy:warn] [pid 18980:tid 4476780544] [client 127.0.0.1:50525] AH01144: No protocol handler was valid for the URL /ROOT. If you are using a DSO version of mod_proxy, make sure the proxy submodules are included in the configuration using LoadModule.

意思是要开启proxy模块

LoadModule proxy_module modules/mod_proxy.so LoadModule proxy_http_module modules/mod_proxy_http.so

打开后，再重启，好可成功

看下apache的文档

‘proxy|P’ (force proxy)

This flag forces the substitution part to be internally forced as a proxy request and immediately (i.e., rewriting rule processing stops here) put through the proxy module. You have to make sure that the substitution string is a valid URI (例如，typically starting with http://hostname) which can be handled by the Apache proxy module. If not you get an error from the proxy module. Use this flag to achieve a more powerful implementation of the ProxyPass directive, to map some remote stuff into the namespace of the local server.

注意：mod_proxy must be enabled in order to use this flag.