Johan Ström wrote:

drop all traffic)? A check with pfctl -vsr reveals that the actual rule inserted is "pass on lo0 inet from 123.123.123.123 to 123.123.123.123 flags S/SA keep state". Where did that "keep state" come from?

'flags S/SA keep state' is the default now for tcp filter rules -- that
was new in 7.0 reflecting the upstream changes made between the 4.0 and 4.1
releases of OpenBSD.  If you want a stateless rule, append 'no state'.

http://www.openbsd.org/faq/pf/filter.html#state

        Cheers,

        Matthew

--
Dr Matthew J Seaman MA, D.Phil.                   7 Priory Courtyard
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