ipf stopped working on 5.3

[Darren Reed]

In some mail from John Fitzgerald, sie said:
> 
> Whenever I would change the firewall rules and ipf -D and
> the ipf -E -f /etc/my.rules it would simply return:
> 
> 1:ioctl(add/insert rule): No such process

More than likely you have a rule referring to a group before you've
used "head" in a rule.

Darren