мой конфиг должен быть рабочим по-любому.
Код: Выделить всё
linux-dvup:/home/mifodix # iptables -S
-P INPUT DROP
-P FORWARD DROP
-P OUTPUT ACCEPT
-N forward_ext
-N forward_int
-N input_ext
-N input_int
-N reject_func
-A INPUT -i lo -j ACCEPT
-A INPUT -m state --state ESTABLISHED -j ACCEPT
-A INPUT -p icmp -m state --state RELATED -j ACCEPT
-A INPUT -i eth0 -j input_int
-A INPUT -i eth1 -j input_ext
-A INPUT -i pan0 -j input_ext
-A INPUT -j input_ext
-A INPUT -m limit --limit 3/min -j LOG --log-prefix "SFW2-IN-ILL-TARGET " --log-tcp-options --log-ip-options
-A INPUT -j DROP
-A FORWARD -p tcp -m tcp --tcp-flags SYN,RST SYN -j TCPMSS --clamp-mss-to-pmtu
-A FORWARD -m physdev --physdev-is-bridged -j ACCEPT
-A FORWARD -i eth0 -j forward_int
-A FORWARD -i eth1 -j forward_ext
-A FORWARD -i pan0 -j forward_ext
-A FORWARD -m limit --limit 3/min -j LOG --log-prefix "SFW2-FWD-ILL-ROUTING " --log-tcp-options --log-ip-options
-A FORWARD -j DROP
-A OUTPUT -o lo -j ACCEPT
-A OUTPUT -m state --state NEW,RELATED,ESTABLISHED -j ACCEPT
-A OUTPUT -m limit --limit 3/min -j LOG --log-prefix "SFW2-OUT-ERROR " --log-tcp-options --log-ip-options
-A forward_ext -p icmp -m state --state RELATED,ESTABLISHED -m icmp --icmp-type 0 -j ACCEPT
-A forward_ext -p icmp -m state --state RELATED,ESTABLISHED -m icmp --icmp-type 3 -j ACCEPT
-A forward_ext -p icmp -m state --state RELATED,ESTABLISHED -m icmp --icmp-type 11 -j ACCEPT
-A forward_ext -p icmp -m state --state RELATED,ESTABLISHED -m icmp --icmp-type 12 -j ACCEPT
-A forward_ext -p icmp -m state --state RELATED,ESTABLISHED -m icmp --icmp-type 14 -j ACCEPT
-A forward_ext -p icmp -m state --state RELATED,ESTABLISHED -m icmp --icmp-type 18 -j ACCEPT
-A forward_ext -p icmp -m state --state RELATED,ESTABLISHED -m icmp --icmp-type 3/2 -j ACCEPT
-A forward_ext -p icmp -m state --state RELATED,ESTABLISHED -m icmp --icmp-type 5 -j ACCEPT
-A forward_ext -i eth1 -o eth0 -m state --state RELATED,ESTABLISHED -j ACCEPT
-A forward_ext -i pan0 -o eth0 -m state --state RELATED,ESTABLISHED -j ACCEPT
-A forward_ext -m pkttype --pkt-type multicast -j DROP
-A forward_ext -m pkttype --pkt-type broadcast -j DROP
-A forward_ext -p tcp -m limit --limit 3/min -m tcp --tcp-flags FIN,SYN,RST,ACK SYN -j LOG --log-prefix "SFW2-FWDext-DROP-DEFLT " --log-tcp-options --log-ip-options
-A forward_ext -p icmp -m limit --limit 3/min -j LOG --log-prefix "SFW2-FWDext-DROP-DEFLT " --log-tcp-options --log-ip-options
-A forward_ext -p udp -m limit --limit 3/min -m state --state NEW -j LOG --log-prefix "SFW2-FWDext-DROP-DEFLT " --log-tcp-options --log-ip-options
-A forward_ext -j DROP
-A forward_int -p icmp -m state --state RELATED,ESTABLISHED -m icmp --icmp-type 0 -j ACCEPT
-A forward_int -p icmp -m state --state RELATED,ESTABLISHED -m icmp --icmp-type 3 -j ACCEPT
-A forward_int -p icmp -m state --state RELATED,ESTABLISHED -m icmp --icmp-type 11 -j ACCEPT
-A forward_int -p icmp -m state --state RELATED,ESTABLISHED -m icmp --icmp-type 12 -j ACCEPT
-A forward_int -p icmp -m state --state RELATED,ESTABLISHED -m icmp --icmp-type 14 -j ACCEPT
-A forward_int -p icmp -m state --state RELATED,ESTABLISHED -m icmp --icmp-type 18 -j ACCEPT
-A forward_int -p icmp -m state --state RELATED,ESTABLISHED -m icmp --icmp-type 3/2 -j ACCEPT
-A forward_int -p icmp -m state --state RELATED,ESTABLISHED -m icmp --icmp-type 5 -j ACCEPT
-A forward_int -i eth0 -o eth1 -m state --state NEW,RELATED,ESTABLISHED -j ACCEPT
-A forward_int -i eth0 -o pan0 -m state --state NEW,RELATED,ESTABLISHED -j ACCEPT
-A forward_int -m pkttype --pkt-type multicast -j DROP
-A forward_int -m pkttype --pkt-type broadcast -j DROP
-A forward_int -p tcp -m limit --limit 3/min -m tcp --tcp-flags FIN,SYN,RST,ACK SYN -j LOG --log-prefix "SFW2-FWDint-DROP-DEFLT " --log-tcp-options --log-ip-options
-A forward_int -p icmp -m limit --limit 3/min -j LOG --log-prefix "SFW2-FWDint-DROP-DEFLT " --log-tcp-options --log-ip-options
-A forward_int -p udp -m limit --limit 3/min -m state --state NEW -j LOG --log-prefix "SFW2-FWDint-DROP-DEFLT " --log-tcp-options --log-ip-options
-A forward_int -j reject_func
-A input_ext -m pkttype --pkt-type broadcast -j DROP
-A input_ext -p icmp -m icmp --icmp-type 4 -j ACCEPT
-A input_ext -p icmp -m icmp --icmp-type 8 -j ACCEPT
-A input_ext -p tcp -m limit --limit 3/min -m tcp --dport 19176 --tcp-flags FIN,SYN,RST,ACK SYN -j LOG --log-prefix "SFW2-INext-ACC-TCP " --log-tcp-options --log-ip-options
-A input_ext -p tcp -m tcp --dport 19176 -j ACCEPT
-A input_ext -p tcp -m limit --limit 3/min -m tcp --dport 9176 --tcp-flags FIN,SYN,RST,ACK SYN -j LOG --log-prefix "SFW2-INext-ACC-TCP " --log-tcp-options --log-ip-options
-A input_ext -p tcp -m tcp --dport 9176 -j ACCEPT
-A input_ext -p udp -m udp --dport 9176 -j ACCEPT
-A input_ext -p udp -m udp --dport 123 -j ACCEPT
-A input_ext -m pkttype --pkt-type multicast -j DROP
-A input_ext -m pkttype --pkt-type broadcast -j DROP
-A input_ext -p tcp -m limit --limit 3/min -m tcp --tcp-flags FIN,SYN,RST,ACK SYN -j LOG --log-prefix "SFW2-INext-DROP-DEFLT " --log-tcp-options --log-ip-options
-A input_ext -p icmp -m limit --limit 3/min -j LOG --log-prefix "SFW2-INext-DROP-DEFLT " --log-tcp-options --log-ip-options
-A input_ext -p udp -m limit --limit 3/min -m state --state NEW -j LOG --log-prefix "SFW2-INext-DROP-DEFLT " --log-tcp-options --log-ip-options
-A input_ext -j DROP
-A input_int -p udp -m pkttype --pkt-type broadcast -m udp --dport 67 -j ACCEPT
-A input_int -m pkttype --pkt-type broadcast -j DROP
-A input_int -p icmp -m icmp --icmp-type 4 -j ACCEPT
-A input_int -p icmp -m icmp --icmp-type 8 -j ACCEPT
-A input_int -p tcp -m limit --limit 3/min -m tcp --dport 139 --tcp-flags FIN,SYN,RST,ACK SYN -j LOG --log-prefix "SFW2-INint-ACC-TCP " --log-tcp-options --log-ip-options
-A input_int -p tcp -m tcp --dport 139 -j ACCEPT
-A input_int -p tcp -m limit --limit 3/min -m tcp --dport 445 --tcp-flags FIN,SYN,RST,ACK SYN -j LOG --log-prefix "SFW2-INint-ACC-TCP " --log-tcp-options --log-ip-options
-A input_int -p tcp -m tcp --dport 445 -j ACCEPT
-A input_int -p udp -m udp --dport 67 -j ACCEPT
-A input_int -p udp -m udp --dport 123 -j ACCEPT
-A input_int -m pkttype --pkt-type multicast -j DROP
-A input_int -m pkttype --pkt-type broadcast -j DROP
-A input_int -p tcp -m limit --limit 3/min -m tcp --tcp-flags FIN,SYN,RST,ACK SYN -j LOG --log-prefix "SFW2-INint-DROP-DEFLT " --log-tcp-options --log-ip-options
-A input_int -p icmp -m limit --limit 3/min -j LOG --log-prefix "SFW2-INint-DROP-DEFLT " --log-tcp-options --log-ip-options
-A input_int -p udp -m limit --limit 3/min -m state --state NEW -j LOG --log-prefix "SFW2-INint-DROP-DEFLT " --log-tcp-options --log-ip-options
-A input_int -j reject_func
-A reject_func -p tcp -j REJECT --reject-with tcp-reset
-A reject_func -p udp -j REJECT --reject-with icmp-port-unreachable
-A reject_func -j REJECT --reject-with icmp-proto-unreachable
), но в сетевом окружении всё равно сервер не виден.
всё равно в окружении не видно.