linux打开和关闭端口
查看哪些端口被打开??netstat?-anp?关闭端口号:iptables?-A?INPUT?-p?tcp?--dport 端口号-j?DROP??????????????????iptables?-A?OUTPUT?-p?tcp?--dport?端口号-j?DROP?打开端口号：iptables?-A?INPUT?-ptcp?--dport??端口号-j?ACCEPT
