Shorewall firewall on UBUNTU LTS 8.04 server doesn’t start on boot

I have in one of my machines a pretty annoying situation related to the fact if the UBUNTU based firewall reboot’s, the firewall doesn’t start automatically…

This is pretty annoying because it means that after a power failure, there is a need for manual intervention to restore exterior access trough the firewall to internal servers.

[EDIT] The problem is that the firewall is started from the init scripts and it is running, but the rules for port forwarding are not active. You need to make sure that the following options are enabled on the shorewall.conf

STARTUP_ENABLED=Yes

IP_FORWARDING=On

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