iptables: exe

[Tasha Smith <natasha3641@yahoo.com>]

Ok...i have my own iptables script trying to get it
going...here what i have soo far in it...just starting
 
SPECS: 
RedHat 7.2 
2.4.19 Kernel 
iptables-1.2.3 

####################################### 
#!/bin/bash 

echo 1 = > /proc/sys/net/ipv4//ip_forward 
iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE 

# Remove any existing rules from all chains. 
iptables --flush 
iptables -t nat --flush 

# Unlimited access on the loopback interface 
iptables -A INPUT -i lo -j ACCEPT 
iptables -A OUPUT -o lo -j ACCPET 

# Set the fefault policy to Drop 
iptables --policy INPUT DROP 
####################################### 
Now... to get this to run on start-up here is what i
did but it didnt start up it gave me an error. 
chown root.root /etc/init.d/firewall 
chmod u=rwx /etc/init.d /firewall 

And when i restart I GET ERROR... which is 
"iptables: execvp: Permission Denied 
rc. Starting iptables: Failed"  

I also have this line sh /etc/init.d/firewall at the
end of my "rc.local" file 

HOW CAN I FIX THIS OR GET THEM TO START-UP PROPERLY?
EDIT: > OOPPPPPPSS guys  i forgot to mention the
original iptables script that came installed already
on my system in the "/etc/init.d/" i moved that to
somewhere else.... was i suppose to do that or just
leave them there???



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