# Generated by iptables-save v1.6.2 on Tue Apr 3 02:25:27 2018 *security :INPUT ACCEPT [0:0] :FORWARD ACCEPT [0:0] :OUTPUT ACCEPT [0:0] COMMIT # Completed on Tue Apr 3 02:25:27 2018 # Generated by iptables-save v1.6.2 on Tue Apr 3 02:25:27 2018 *raw :PREROUTING ACCEPT [0:0] :OUTPUT ACCEPT [0:0] COMMIT # Completed on Tue Apr 3 02:25:27 2018 # Generated by iptables-save v1.6.2 on Tue Apr 3 02:25:27 2018 *nat :PREROUTING ACCEPT [0:0] :INPUT ACCEPT [0:0] :OUTPUT ACCEPT [0:0] :POSTROUTING ACCEPT [0:0] COMMIT # Completed on Tue Apr 3 02:25:27 2018 # Generated by iptables-save v1.6.2 on Tue Apr 3 02:25:27 2018 *mangle :PREROUTING ACCEPT [0:0] :INPUT ACCEPT [0:0] :FORWARD ACCEPT [0:0] :OUTPUT ACCEPT [0:0] :POSTROUTING ACCEPT [0:0] COMMIT # Completed on Tue Apr 3 02:25:27 2018 # Generated by iptables-save v1.6.2 on Tue Apr 3 02:25:27 2018 *filter :INPUT DROP [0:0] :FORWARD DROP [0:0] :OUTPUT DROP [0:0] :blocker - [0:0] :client_in - [0:0] :client_out - [0:0] :netconf_in - [0:0] :netconf_out - [0:0] :server_in - [0:0] :server_out - [0:0] -A INPUT -s 127.0.0.0/8 -d 127.0.0.0/8 -i lo -j ACCEPT -A INPUT -s 10.0.0.254/32 -d 10.0.0.254/32 -i lo -j ACCEPT -A INPUT -j blocker -A INPUT -s 10.0.0.0/8 -d 10.0.0.254/32 -i br0 -j server_in -A INPUT -d 10.0.0.0/8 -i br0 -j client_in -A INPUT -i br0 -j netconf_in -A INPUT -j LOG --log-prefix "iptables: INPUT: " --log-level 7 -A FORWARD -j blocker -A FORWARD -d 10.0.0.0/8 -i br0 -o br0 -j netconf_in -A FORWARD -d 10.0.0.0/8 -i br0 -o br0 -j netconf_out -A FORWARD -d 10.0.0.0/8 -i br0 -o br0 -j client_in -A FORWARD -s 10.0.0.0/8 -i br0 -o br0 -j client_out -A FORWARD -s 10.0.0.0/8 -i br0 -o br0 -j server_out -A FORWARD -j LOG --log-prefix "iptables: FORWARD: " --log-level 7 -A OUTPUT -s 127.0.0.0/8 -d 127.0.0.0/8 -o lo -j ACCEPT -A OUTPUT -s 10.0.0.254/32 -d 10.0.0.254/32 -o lo -j ACCEPT -A OUTPUT -j blocker -A OUTPUT -s 10.0.0.254/32 -d 10.0.0.0/8 -o br0 -j server_out -A OUTPUT -s 10.0.0.0/8 -o br0 -j client_out -A OUTPUT -o br0 -j netconf_out -A OUTPUT -j LOG --log-prefix "iptables: OUTPUT: " --log-level 7 -A blocker -s 8.8.0.0/24 -j LOG --log-prefix "iptables: blocker google: " --log-level 7 -A blocker -s 8.8.0.0/24 -j DROP -A blocker -p tcp -m tcp ! --tcp-flags FIN,SYN,RST,ACK SYN -m state --state NEW -m limit --limit 5/min --limit-burst 7 -j LOG --log-prefix "iptables: drop sync: " --log-level 7 -A blocker -p tcp -m tcp ! --tcp-flags FIN,SYN,RST,ACK SYN -m state --state NEW -j DROP -A blocker -f -m limit --limit 5/min --limit-burst 7 -j LOG --log-prefix "iptables: drop frag: " -A blocker -f -j DROP -A blocker -p tcp -m tcp --tcp-flags FIN,SYN,RST,PSH,ACK,URG FIN,PSH,URG -j DROP -A blocker -p tcp -m tcp --tcp-flags FIN,SYN,RST,PSH,ACK,URG FIN,SYN,RST,PSH,ACK,URG -j DROP -A blocker -p tcp -m tcp --tcp-flags FIN,SYN,RST,PSH,ACK,URG NONE -m limit --limit 5/min --limit-burst 7 -j LOG --log-prefix "iptables: drop null: " -A blocker -p tcp -m tcp --tcp-flags FIN,SYN,RST,PSH,ACK,URG NONE -j DROP -A blocker -p tcp -m tcp --tcp-flags SYN,RST SYN,RST -m limit --limit 5/min --limit-burst 7 -j LOG --log-prefix "iptables: drop syn rst syn rs" -A blocker -p tcp -m tcp --tcp-flags SYN,RST SYN,RST -j DROP -A blocker -p tcp -m tcp --tcp-flags FIN,SYN FIN,SYN -m limit --limit 5/min --limit-burst 7 -j LOG --log-prefix "iptables: drop xmas: " -A blocker -p tcp -m tcp --tcp-flags FIN,SYN FIN,SYN -j DROP -A blocker -p tcp -m tcp --tcp-flags FIN,ACK FIN -m limit --limit 5/min --limit-burst 7 -j LOG --log-prefix "iptables: drop fin scan: " -A blocker -p tcp -m tcp --tcp-flags FIN,ACK FIN -j DROP -A blocker -p tcp -m tcp --tcp-flags FIN,SYN,RST,PSH,ACK,URG FIN,SYN,RST,ACK,URG -j DROP -A blocker -j RETURN -A client_in -p tcp -m tcp --sport 6667 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT -A client_in -p tcp -m tcp --sport 21 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT -A client_in -p tcp -m tcp --sport 9418 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT -A client_in -p tcp -m tcp --sport 995 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT -A client_in -p tcp -m tcp --sport 465 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT -A client_in -p tcp -m tcp --sport 80 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT -A client_in -p tcp -m tcp --sport 443 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT -A client_in -p udp -m udp --sport 53 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT -A client_in -p tcp -m tcp --sport 2222 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT -A client_in -p tcp -m tcp --sport 22 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT -A client_in -p tcp -m tcp --sport 11371 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT -A client_in -j RETURN -A client_out -p tcp -m tcp --sport 1024:65535 --dport 6667 -m state --state NEW,ESTABLISHED -j ACCEPT -A client_out -p tcp -m tcp --sport 1024:65535 --dport 21 -m state --state NEW,ESTABLISHED -j ACCEPT -A client_out -p tcp -m tcp --sport 1024:65535 --dport 9418 -m state --state NEW,ESTABLISHED -j ACCEPT -A client_out -p tcp -m tcp --sport 1024:65535 --dport 995 -m state --state NEW,ESTABLISHED -j ACCEPT -A client_out -p tcp -m tcp --sport 1024:65535 --dport 465 -m state --state NEW,ESTABLISHED -j ACCEPT -A client_out -p tcp -m tcp --sport 1024:65535 --dport 443 -m state --state NEW,ESTABLISHED -j ACCEPT -A client_out -p udp -m udp --sport 1024:65535 --dport 443 -m state --state NEW,ESTABLISHED -j ACCEPT -A client_out -p tcp -m tcp --sport 1024:65535 --dport 80 -m state --state NEW,ESTABLISHED -j ACCEPT -A client_out -p udp -m udp --sport 1024:65535 --dport 53 -m state --state NEW,ESTABLISHED -j ACCEPT -A client_out -p tcp -m tcp --sport 1024:65535 --dport 2222 -m state --state NEW,ESTABLISHED -j ACCEPT -A client_out -p tcp -m tcp --sport 1024:65535 --dport 22 -m state --state NEW,ESTABLISHED -j ACCEPT -A client_out -p tcp -m tcp --sport 1024:65535 --dport 11371 -m state --state NEW,ESTABLISHED -j ACCEPT -A client_out -j RETURN -A netconf_in -p udp -m udp --sport 68 --dport 67 -j ACCEPT -A netconf_in -s 10.0.0.0/8 -d 10.0.0.0/8 -p udp -m udp --sport 520 --dport 520 -j ACCEPT -A netconf_in -p icmp -j LOG --log-prefix "iptables: netconf_in ICMP: " --log-level 7 -A netconf_in -p icmp -j ACCEPT -A netconf_in -j RETURN -A netconf_out -s 10.0.0.0/8 -d 10.0.0.0/8 -p udp -m udp --sport 67 --dport 68 -j ACCEPT -A netconf_out -s 10.0.0.0/8 -d 10.0.0.0/8 -p udp -m udp --sport 520 --dport 520 -j ACCEPT -A netconf_out -p icmp -j LOG --log-prefix "iptables: netconf_out ICMP: " --log-level 7 -A netconf_out -p icmp -j ACCEPT -A netconf_out -j RETURN -A server_in -p tcp -m tcp --sport 1024:65535 --dport 5900 -m state --state NEW,ESTABLISHED -j ACCEPT -A server_in -p tcp -m tcp --sport 1024:65535 --dport 5432 -m state --state NEW,ESTABLISHED -j ACCEPT -A server_in -p tcp -m tcp --sport 1024:65535 --dport 2222 -m state --state NEW,ESTABLISHED -j ACCEPT -A server_in -p tcp -m tcp --sport 1024:65535 --dport 443 -m state --state NEW,ESTABLISHED -j ACCEPT -A server_in -p tcp -m tcp --sport 1024:65535 --dport 80 -m state --state NEW,ESTABLISHED -j ACCEPT -A server_in -p udp -m udp --sport 1024:65535 --dport 53 -m state --state NEW,ESTABLISHED -j ACCEPT -A server_in -p tcp -m tcp --sport 1024:65535 --dport 53 -m state --state NEW,ESTABLISHED -j ACCEPT -A server_in -p tcp -m tcp --sport 1024:65535 --dport 9418 -m state --state NEW,ESTABLISHED -j ACCEPT -A server_in -j RETURN -A server_out -p udp -m udp --sport 53 --dport 1024:65535 -m state --state RELATED,ESTABLISHED -j ACCEPT -A server_out -p tcp -m tcp --sport 53 --dport 1024:65535 -m state --state RELATED,ESTABLISHED -j ACCEPT -A server_out -p tcp -m tcp --sport 9418 --dport 1024:65535 -m state --state RELATED,ESTABLISHED -j ACCEPT -A server_out -p tcp -m tcp --sport 443 --dport 1024:65535 -m state --state RELATED,ESTABLISHED -j ACCEPT -A server_out -p tcp -m tcp --sport 80 --dport 1024:65535 -m state --state RELATED,ESTABLISHED -j ACCEPT -A server_out -p tcp -m tcp --sport 2222 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT -A server_out -p tcp -m tcp --sport 5432 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT -A server_out -p tcp -m tcp --sport 5900 --dport 1024:65535 -m state --state RELATED,ESTABLISHED -j ACCEPT -A server_out -j RETURN COMMIT # Completed on Tue Apr 3 02:25:27 2018