Re: Firewall-troubleshooting

[David Nicholls <hagakure@nildram.co.uk>]

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KC wrote:
> Hi
> 
> I need help understanding what goes wrong in this script. I cannot ping
> anyone and cannot resolve as well. In fact I believe the only thing I can
> get is an ip address from my isp's dhcp server.
> 
> Best Regards
> 
> kc
> 
> ## FIREWALL ##
> 

<snip>

> 
> ## Show Internal and External Addresses and enable forwarding
> 
> echo "External IP " $IPADDR
> echo "Internal IP " $INTERNAL_IP
> #echo "1" > /proc/sys/net/ipv4/ip_forward
> 

You need to remove the "#" in front of echo "1" >
/proc/sys/net/ipv4/ip_forward

The firewall will not be able to forward traffic unless that command is run.

HTH

Regards,

Dave

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