iptables出错

laixi781211

1. #! /bin/bash
   
2. /sbin/iptables -P INPUT DROP
   
3. /sbin/iptables -P OUTPUT ACCEPT
   
4. /sbin/iptables -P FORWARD ACCEPT
   
5. /sbin/iptables -t nat -P PREROUTING ACCEPT
   
6. /sbin/iptables -t nat -P POSTROUTING ACCEPT
   
7. /sbin/iptables -t nat -P OUTOUT ACCEPT
   
8. 
   
9. #allow all in private net
   
10. /sbin/iptables -A INPUT -i lo -j ACCEPT
    
11. /sbin/iptables -A INPUT -i eth1 -j ACCEPT
    
12. 
    
13. #NAT
    
14. /sbin/iptables -t nat -A POSTROUTING -s 192.168.0.0/24 -j MASQUERADE
    
15. echo 1 >; /proc/sys/net/ipv4/ip_forward
    
16. #DNAT
    
17. /sbin/iptables -t nat -A PREROUTING -p udp -i ppp0 --dport 2000 -j DNAT --to-destination 192.168.0.144:2000
    
18. /sbin/iptables -t nat -A PREROUTING -p tcp -i ppp0 --dport 86 -j DNAT --to-destination 192.168.0.144:86
    
19. 
    
20. # ftp
    
21. /sbin/iptables -A FORWARD -p tcp --dport 21 -j ACCEPT
    

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laixi781211

找到了，第6条写错了。