[Nginx] 如何修改Nginx版本名称伪装任意web server

scr/core/nginx.conf
#define NGINX_VERSION "1.4.7"
#define NGINX_VER "nginx/" NGINX_VERSION

#define NGINX_VERSION "1.4.7"
#define NGINX_VER "jdws/" NGINX_VERSION

/src/http/ngx_http_header_filter_module.c (HTTP ResponseHeader)
static char ngx_http_server_string[] = "Server: nginx" CRLF;

static char ngx_http_server_string[] = "Server: jdws" CRLF; 
/src/http/ngx_http_special_response.c 
static u_char ngx_http_error_tail[] =
"<hr><center>nginx</center>" CRLF
"</body>" CRLF
"</html>" CRLF

static u_char ngx_http_error_tail[] =
"<hr><center>jdws</center>" CRLF
"</body>" CRLF
"</html>" CRLF

http{
server_tokens off; 
}