修改nginx版本資訊

修改nginx版本資訊

修改前：
404 not found
--------------------
nginx/0.8.41

修改後：
404 not found
--------------------
Aiyonet.com/0.1.8

步驟1：
修改檔 nginx-0.8.41/src/core/nginx.h

#define nginx_version         018
#define NGINX_VERSION      "0.1.8"
#define NGINX_VER          "Aiyonet.com/" NGINX_VERSION
#define NGINX_VAR          "AIYONET.COM"

步驟2：
修改檔 nginx-0.8.41/src/http/ngx_http_header_filter_module.c

static char ngx_http_server_string[] = "Server: Aiyonet.com" CRLF;
static char ngx_http_server_full_string[] = "Server: " NGINX_VER CRLF;

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