Logdrop iptable

iptables

# Generated by iptables-save v1.4.21 on Tue May 10 17:03:12 2016
*filter
:INPUT ACCEPT [0:0]
:FORWARD DROP [0:0]
:OUTPUT ACCEPT [1228037347:3674412776210]
:LOGDROP - [0:0]
:TCP - [0:0]
:UDP - [0:0]
-A INPUT -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
-A INPUT -i lo -j ACCEPT
-A INPUT -p icmp -m icmp --icmp-type 8 -m conntrack --ctstate NEW -j LOGDROP
-A INPUT -p udp -m conntrack --ctstate NEW -j UDP
-A INPUT -p tcp -m tcp --tcp-flags FIN,SYN,RST,ACK SYN -m conntrack --ctstate NEW -j TCP
-A INPUT -j LOGDROP
-A LOGDROP -p tcp -m limit --limit 5/min -j LOG --log-prefix "Denied TCP: " --log-level 7
-A LOGDROP -p udp -m limit --limit 5/min -j LOG --log-prefix "Denied UDP: " --log-level 7
-A LOGDROP -p icmp -m limit --limit 5/min -j LOG --log-prefix "Denied ICMP: " --log-level 7
-A LOGDROP -j DROP
-A TCP -p tcp -m tcp --dport 80 -j ACCEPT
-A TCP -p tcp -m tcp --dport 443 -j ACCEPT
-A TCP -p tcp -m tcp --dport 873 -j ACCEPT
-A TCP -p tcp -m tcp --dport 2222 -j ACCEPT
COMMIT