Hi,

can I get an explanation/argument as to why, and what implications it
has when I don't enable it?

Cheers,
--
László Károlyi
http://linkedin.com/in/karolyi

On 2019-08-31 23:10, Kristof Provost wrote:
> On 2019-08-31 22:42:59 (+0200), László Károlyi <las...@karolyi.hu> 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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