IPTABLES阻止应该打开的端口
我正在使用centos7并设置了以下规则: *filter :INPUT DROP [6:394] :FORWARD ACCEPT [0:0] :OUTPUT ACCEPT [42:6917] -A INPUT -p tcp -m tcp –tcp-flags FIN,SYN,RST,PSH,ACK,URG NONE -j DROP -A INPUT -p tcp -m tcp ! –tcp-flags FIN,SYN,RST,ACK SYN -m state –state NEW -j DROP -A INPUT -p tcp -m tcp –tcp-flags FIN,SYN,RST,PSH,ACK,URG FIN,SYN,RST,PSH,ACK,URG -j DROP -A INPUT -i lo -j ACCEPT […]