nginx报错500，证书已到期？
安装好nginx之后，访问localhost:80，nginx提示报错500 证书已到期，查看error日志显示An attempt was made to access a socket in a way forbidden by its access permissions错误原因：80端口被占用解决办法：1、win+r进入cmd，输入netstat -aon | findstr :80，查看是哪个占用了该端口。2、tasklist|findstr "4364"执行该命令
