libwebsockets介绍

         libwebsockets是一款轻量级用来开发服务器和客户端的C库。它不仅支持ws，wss还同时支持http与https，可以轻轻松松结合openssl等库来实现ssl加密。

官方参考链接：

https://libwebsockets.org/

lighttpd版本

lighttpd/1.4.59 (ssl) - a light and fast webserver
usage:-f <name>  filename of the config-file-m <name>  module directory (default: /usr/lib)-i <secs>  graceful shutdown after <secs> of inactivity-1         process single (one) request on stdin socket, then exit-p         print the parsed config-file in internal form, and exit-t         test config-file syntax, then exit-tt        test config-file syntax, load and init modules, then exit-D         don't go to background (default: go to background)-v         show version-V         show compile-time features-h         show this help

lighttpd配置

配置安全策略需要添加ws:wss:配置

var.response_header_policy = (