pf Performance question

[Paul Procacci]

Honestly, if it's a single udp packet every second you have nothing to
worry about ... unless you're running hardware maybe from the 80's.  ;)

On Fri, Apr 16, 2021 at 9:51 PM Doug Hardie <bc979 at lafn.org> wrote:

> I have several devices that emit udp packets to a specific port every
> second.  Unfortunately, they cannot terminate that.  However, on my systems
> they show up in pftop and netstat.  Currently I have them ignored in pf.
> They create state entries, but there is nothing listening to that port.
> Will it use less CPU if I put a pf drop statement for that port?
>
> -- Doug
>
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