Gilberto Nunes wrote:
> Hi Tom
> 
> Thank you for your response...
> 
> I check shorewall.conf file, and I found this line:
> 
> IP_FORWARDING=Keep
> 
> May be I have to change to IP_FORWARDING=yes?

I told you to be sure it was set to 'On'. Why would you set it to 'Yes'?
'Yes' is not 'On'!

This Debian-specific issue is clearly documented in the two-interface
QuickStart Guide (http://www.shorewall.net/two-interfaces.htm).

From 'man shorewall.conf' (which is available on the Shorewall website
in case you are still running 3.2.6 which didn't have manpages).

       IP_FORWARDING=[On|Off|Keep]
           This parameter determines whether Shorewall enables or
           disables IPV4 Packet Forwarding
           (/proc/sys/net/ipv4/ip_forward).
           Possible values are:

           On or on
               packet forwarding will be enabled.

           Off or off
               packet forwarding will be disabled.

           Keep or keep
               Shorewall will neither enable nor disable packet
               forwarding.

           If this variable is not set or is given an empty value
           (IP_FORWARD="") then IP_FORWARD=On is assumed.

-Tom
-- 
Tom Eastep        \ The ultimate result of shielding men from the
Shoreline,         \ effects of folly is to fill the world with fools.
Washington, USA     \                                 -Herbert Spencer
http://shorewall.net \________________________________________________

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