CentOS - Oct 2010 - iptables failure at the last line

Hello,

can anybody please spot an error here?

# sudo service iptables start
Flushing firewall rules:                                   [  OK  ]
Setting chains to policy ACCEPT: filter                    [  OK  ]
Unloading iptables modules:                                [  OK  ]
Applying iptables firewall rules: iptables-restore: line 20 failed
                                                           [FAILED]

And my /etc/sysconfig/iptables is (I'm trying to enable
Samba, Apache, FMS dev. ed. and throttled SSH at 22 and 443):

*filter
:INPUT DROP [0:0]
:FORWARD DROP [0:0]
:OUTPUT ACCEPT [294:35064]
-A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
-A INPUT -i lo -j ACCEPT
-A INPUT -s 194.247.190.0/24 -j DROP
-A INPUT -p icmp -m icmp --icmp-type any -j ACCEPT
-A INPUT -p tcp -m state --state NEW -m udp --dport 137 -j ACCEPT
-A INPUT -p tcp -m state --state NEW -m udp --dport 138 -j ACCEPT
-A INPUT -p tcp -m state --state NEW -m tcp --dport 139 -j ACCEPT
-A INPUT -p tcp -m state --state NEW -m udp --dport 445 -j ACCEPT
-A INPUT -p tcp -m state --state NEW -m tcp --dport 445 -j ACCEPT
-A INPUT -p tcp -m state --state NEW -m tcp --dport 8080 -j ACCEPT
-A INPUT -p tcp -m state --state NEW -m tcp --dport 1935 -j ACCEPT
-A INPUT -p tcp -m state --state NEW -m tcp --dport 1111 -j ACCEPT
-A INPUT -p tcp -m state --state NEW -m tcp --dport 80 -j ACCEPT
-A INPUT -p tcp -m state --state NEW -m tcp --dport 443 --tcp-flags
FIN,SYN,RST,ACK SYN -m limit --limit 1/min --limit-burst 2 -j ACCEPT
-A INPUT -p tcp -m state --state NEW -m tcp --dport 22 --tcp-flags
FIN,SYN,RST,ACK SYN -m limit --limit 1/min --limit-burst 2 -j ACCEPT
COMMIT

Any hints on how to debug those issues?
The error message line points to the COMMIT.

Thank you
Alex

Alexander Farber wrote:
> Hello,
>
> can anybody please spot an error here?
>
> # sudo service iptables start
> Flushing firewall rules:                                   [  OK  ]
> Setting chains to policy ACCEPT: filter                    [  OK  ]
> Unloading iptables modules:                                [  OK  ]
> Applying iptables firewall rules: iptables-restore: line 20 failed
>                                                             [FAILED]
>
> And my /etc/sysconfig/iptables is (I'm trying to enable
> Samba, Apache, FMS dev. ed. and throttled SSH at 22 and 443):
>
<snip>
> Any hints on how to debug those issues?
the same way you debug stuff when you can't see the problem by just 
staring at it: reduce it to a minimal error-case. So, remove some of 
those /etc/sysconfig/iptables lines until it no longer fails, and 
identify the exact line that causes the failure. Then stare at that one 
line and understand why it's failing.