nginx隐藏server及版本号的实现

在 http {—}里加上  server_tokens off; 如：
http {
    ……省略
    sendfile on;
    tcp_nopush on;
    keepalive_timeout 60;
    tcp_nodelay on;
    server_tokens off;
    …….省略
}

# vim /path/nginx/src/http/ngx_http_header_filter_module.c 
修改前
 49 static u_char ngx_http_server_string[] = "Server: nginx" CRLF;
 50 static u_char ngx_http_server_full_string[] = "Server: " NGINX_VER CRLF;
 51 static u_char ngx_http_server_build_string[] = "Server: " NGINX_VER_BUILD CRLF;
修改后
 49 static u_char ngx_http_server_string[] = "Server: " CRLF;
 50 static u_char ngx_http_server_full_string[] = "Server: "  CRLF;
 51 static u_char ngx_http_server_build_string[] = "Server: "  CRLF;

# vim /path/nginx/src/core/nginx.c
修改前
 390 static void
 391 ngx_show_version_info(void)
 392 {
 393     ngx_write_stderr("nginx version: " NGINX_VER_BUILD NGX_LINEFEED);
 394
 395     if (ngx_show_help) {

修改后
 390 static void
 391 ngx_show_version_info(void)
 392 {
 393     ngx_write_stderr("nginx version: " "hello world\n");
 394
 395     if (ngx_show_help) {