need ipfw clarification

Hello,

I noticed that after enabling firewall in my kernel (5.3-release), my 
dmesg now gives me this:

ipfw2 initialized, divert disabled, rule-based forwarding disabled, 
default to accept, logging limited to 5 packets/entry by default


On 5.2.1, I used to get this:

ipfw2 initialized, divert disabled, rule-based forwarding enabled, 
default to accept, logging disabled

If both cases, I am adding this to my KERNEL config:

options         IPFIREWALL
options         IPFIREWALL_DEFAULT_TO_ACCEPT


It seems that the major difference between 5.2.1 and 5.3 is that now 
rule-based forwarding is disabled.

Is this correct? And what exactly is rule-based forwarding? I'm guessing 
that it doesn't really apply to my situation, as in these cases, I am 
using IPFW to create a deny all inbound to my laptop when I'm on the 
road. But I just want to make sure.

Thanks,
DW
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