Does OPNsense reject or silently drop 113 by default?

Started by eponymous, August 12, 2022, 09:34:08 PM

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Hi,

Running an NMAP scan on an OPNsense firewall which has no inbound connections allowed by default.

I'm seeing port 113 with state "closed" reason: "reset ttl 59". I would've expected to see it marked as "filtered".

Could this just be an intermediary or ISP trying to be clever and returning a reset instead?

Thanks.