The firewall gives you this error when the proper module is not updated.
When you run the VPN version, you need to use the module fwmodvpn 5.x.o. To make the update, you can follow these steps:
# fwstop # cd $FWDIR/modules # mv fwmod.5.x.o old.fwmod.5.x.o # ln -s fwmodvpn.5.x.o fwmod.5.x.o # fw putlic 0 0-0-0 0 # For Firewall-1 2.x) # fw putlic -K # 3.x Firewall) # fwstart |