Check and update the IP filtering rules on you DD-WRT router

The other day I was checking my router when I came across these rather weird rules in the INPUT chain:

ACCEPT     0    --           
ACCEPT     0    --           

Since I didn’t add them, I was a bit surprised (and worried) that they are there. After a bit of searching, it looks like they were added at some point during DD-WRT’s development and will be removed in future versions.

Anyway, you can permanently remove those 2 rules by doing:

nvram set ral=""
nvram commit

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