On 2019-08-31 22:42:59 (+0200), László Károlyi <[email protected]> wrote:
> Hey,
> 
> I've installed unbound into a jail to use it as a nameserver. After
> setting up PF to allow UDP fragments to the jail's IPv6 address, I still
> saw PF dropping the UDP fragment packages arriving to and from my jail.
> According to the pf.conf readme, the IP header of the fragmented packets
> still contain the protocol type (TCP/UDP), but not the port number. I
> hope it's not a documentation bug.
> 
You really, really want to have pf reassemble packets prior to
filtering.
Use 'scrub all fragment reassemble'.

Regards,
Kristof
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