Firewall rule not working after be turned off and back on

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I'm coming from pfSense to test out OPNsense and I'm running into a weird firewall rule issue that I'm not sure is a bug or if this is how OPNsense operates.

So here's what's going on:

I'm testing firewall rules on a ZeroTier Interface by simply pinging the interface from my laptop whom is on the same ZeroTier network.

Here's a breakdown:

• Set a continuous ping to ZeroTier interface on OPNsense and replies are working fine
• Setup a Firewall rule on ZeroTier Interface to block all incoming ICMP requests
• Continuous Pings are Timing out as they should
• Turned the ICMP Firewall rule off to see if the pings start replying - and they do.
• Problem: Turned the ICMP Firewall rule back on - but pings continue to reply.

Edit: Removed Edits, realized the second WAN issue was. Ping where funneling through ZeroTier to the WAN Interface. Still need help on the issue above.