# Filter
*filter
:INPUT DROP [0:0]
:FORWARD DROP [0:0]
:OUTPUT ACCEPT [6:359]
-A INPUT -m conntrack --ctstate INVALID -j DROP
-A INPUT -i lo -j ACCEPT
-A INPUT -i tun0 -j ACCEPT
-A INPUT -p icmp -j ACCEPT
-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 NONE -j DROP
-A INPUT -i eth1 -p tcp -m tcp --dport 7521 -j ACCEPT
-A INPUT -p tcp -m tcp --dport 22 -j ACCEPT
-A INPUT -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
COMMIT
# Mangle
*mangle
:PREROUTING ACCEPT [8948:5925361]
:INPUT ACCEPT [8943:5924001]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [10902:1431630]
:POSTROUTING ACCEPT [10965:1438415]
COMMIT
# Raw
*raw
:PREROUTING ACCEPT [8948:5925361]
:OUTPUT ACCEPT [10902:1431630]
COMMIT