Nginx 11个阶段

typedef enum {
NGX_HTTP_POST_READ_PHASE = 0,   //读取请求头

NGX_HTTP_SERVER_REWRITE_PHASE,   //执行rewrite

NGX_HTTP_FIND_CONFIG_PHASE,  //根据uri替换location
NGX_HTTP_REWRITE_PHASE,      //根据替换结果继续执行rewrite
NGX_HTTP_POST_REWRITE_PHASE, //执行rewrite后处理

NGX_HTTP_PREACCESS_PHASE,    //认证预处理   请求限制，连接限制

NGX_HTTP_ACCESS_PHASE,       //认证处理
NGX_HTTP_POST_ACCESS_PHASE,  //认证后处理， 认证不通过， 丢包

NGX_HTTP_TRY_FILES_PHASE,    //尝试try标签
NGX_HTTP_CONTENT_PHASE,      //内容处理

NGX_HTTP_LOG_PHASE           //日志处理
} ngx_http_phases;