iptables

出现如下错误
iptables v1.4.2: can’t initialize iptables table `filter’: Table does not exist (do you need to insmod?)

解决办法

-*- Networking support  ---> 
      Networking options  --->  
        [*] Network packet filtering framework (Netfilter)  ---> 
          Core Netfilter Configuration  --->
            {*} Netfilter Xtables support (required for ip_tables) 
          IP: Netfilter Configuration  --->  
            <*> IPv4 connection tracking support (required for NAT)  
            <*> IP tables support (required for filtering/masq/NAT) 
            <*> Packet filtering
            <*> REJECT target support  
            <*> Full NAT