おい、iptablesの使い方を具体的に詳しく教えろ！

おい、iptablesの使い ..

303:login:Penguin
02/10/13 09:39 DiMILE+J
Generated by iptables-save v1.2.6a on Thu Sep 26 21:51:21 2002
*mangle
:PREROUTING ACCEPT [262442:109990189]
# Generated by iptables-save v1.2.6a on Thu Sep 26 21:51:21 2002
*mangle
:PREROUTING ACCEPT [262442:109990189]
:OUTPUT ACCEPT [135225:8616464]
COMMIT
# Completed on Thu Sep 26 21:51:21 2002
# Generated by iptables-save v1.2.6a on Thu Sep 26 21:51:21 2002
*nat
:PREROUTING ACCEPT [6393:307512]
:POSTROUTING ACCEPT [61571:3694917]
:OUTPUT ACCEPT [61569:3694821]
-A POSTROUTING -s 192.168.10.0/255.255.255.0 -o eth1 -j MASQUERADE
COMMIT
# Completed on Thu Sep 26 21:51:21 2002
# Generated by iptables-save v1.2.6a on Thu Sep 26 21:51:21 2002
*filter
:INPUT ACCEPT [134982:7257840]
:FORWARD ACCEPT [127355:102728219]
:OUTPUT ACCEPT [135224:8616628]
-A INPUT -p tcp -m tcp --dport 5680 -j REJECT --reject-with icmp-port-unreachable
-A INPUT -p tcp -m tcp --dport 199 -j REJECT --reject-with icmp-port-unreachable
-A OUTPUT -o eth1 -p tcp -m tcp --dport 137:139 -j DROP
-A OUTPUT -o eth1 -p udp -m udp --dport 137:139 -j DROP
COMMIT
# Completed on Thu Sep 26 21:51:21 200

うちのiptables、これで大丈夫ですか？

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