linux配置端口只允许某些ip能访问,iptables 防火墙 只允许某IP访问某端口、访问特定网站...
常用的IPTABLES规则如下:只能收发邮件,别的都关闭iptables-IFilter-mmac--mac-source00:0F:EA:25:51:37-jDROPiptables-IFilter-mmac--mac-source00:0F:EA:25:51:37-pudp--dport53-jACCEPTiptables-IFilter-mmac--mac-source00:0F:EA:25