# Generated by iptables-save v1.6.0 on Mon Dec 10 17:46:32 2018
*mangle
:PREROUTING ACCEPT [356:24388]
:INPUT ACCEPT [356:24388]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [246:65684]
:POSTROUTING ACCEPT [246:65684]
-A PREROUTING -p icmp -j DROP
-A PREROUTING -m conntrack --ctstate INVALID -j DROP
-A PREROUTING -p tcp ! --syn -m conntrack --ctstate NEW -j DROP
-A PREROUTING -f -j DROP
-A PREROUTING -p tcp -m conntrack --ctstate NEW -m tcpmss ! --mss 536:65535 -j DROP
-A PREROUTING -s 127.0.0.0/8 ! -i lo -j DROP
-A PREROUTING -s 192.168.99.0/30 ! -i enp0s8 -j DROP
-A PREROUTING -p tcp --tcp-flags FIN,SYN,RST,PSH,ACK,URG NONE -j DROP
-A PREROUTING -p tcp --tcp-flags FIN,SYN FIN,SYN -j DROP
-A PREROUTING -p tcp --tcp-flags SYN,RST SYN,RST -j DROP
-A PREROUTING -p tcp --tcp-flags FIN,RST FIN,RST -j DROP
-A PREROUTING -p tcp --tcp-flags FIN,ACK FIN -j DROP
-A PREROUTING -p tcp --tcp-flags ACK,URG URG -j DROP
-A PREROUTING -p tcp --tcp-flags ACK,FIN FIN -j DROP
-A PREROUTING -p tcp --tcp-flags ACK,PSH PSH -j DROP
-A PREROUTING -p tcp --tcp-flags ALL ALL -j DROP
-A PREROUTING -p tcp --tcp-flags ALL NONE -j DROP
-A PREROUTING -p tcp --tcp-flags ALL FIN,PSH,URG -j DROP
-A PREROUTING -p tcp --tcp-flags ALL SYN,FIN,PSH,URG -j DROP
-A PREROUTING -p tcp --tcp-flags ALL SYN,RST,ACK,FIN,URG -j DROP
COMMIT
# Completed on Mon Dec 10 17:46:32 2018
# Generated by iptables-save v1.6.0 on Sat Nov 17 14:32:27 2018
*filter
:INPUT DROP [0:0]
:FORWARD DROP [0:0]
:OUTPUT DROP [0:0]
-A INPUT -p tcp -m connlimit --connlimit-above 40 -j REJECT --reject-with tcp-reset
-A INPUT -p tcp -m conntrack --ctstate NEW -m limit --limit 60/s --limit-burst 10 -j ACCEPT 
-A INPUT -p tcp -m conntrack --ctstate NEW -j DROP
-A INPUT -p tcp -m tcp -m conntrack --ctstate INVALID,UNTRACKED -j SYNPROXY --sack-perm --timestamp --wscale 7 --mss 1460 
-A INPUT -m conntrack --ctstate INVALID -j DROP
-A INPUT -p tcp -m tcp --dport 2230 -j ACCEPT
-A INPUT -p tcp --dport 80 -j ACCEPT
-A INPUT -p tcp --dport 443 -j ACCEPT
-A INPUT -p tcp -m tcp --sport 80 -m conntrack --ctstate ESTABLISHED -j ACCEPT
-A INPUT -p tcp -m tcp --sport 443 -m conntrack --ctstate ESTABLISHED -j ACCEPT
-A INPUT -p udp -m udp --sport 53 -m conntrack --ctstate ESTABLISHED -j ACCEPT
-A OUTPUT -p tcp -m tcp --sport 2230 -j ACCEPT
-A OUTPUT -p tcp --sport 80 -j ACCEPT
-A OUTPUT -p tcp --sport 443 -j ACCEPT
-A OUTPUT -p tcp -m tcp --dport 80 -m conntrack --ctstate NEW,ESTABLISHED -j ACCEPT
-A OUTPUT -p tcp -m tcp --dport 443 -m conntrack --ctstate NEW,ESTABLISHED -j ACCEPT
-A OUTPUT -p udp -m udp --dport 53 -m conntrack --ctstate NEW,ESTABLISHED -j ACCEPT
COMMIT
# Completed on Sat Nov 17 14:32:27 2018