Best way to handle multiple retries from BIND?

Mark Andrews marka at isc.org
Mon Jun 26 04:31:04 UTC 2023



> On 26 Jun 2023, at 14:25, Ondřej Surý <ondrej at isc.org> wrote:
> 
> 
>> On 26. 6. 2023, at 6:04, Randy Bush <randy at psg.com> wrote:
>> 
>> so, for address foux, how do i know if there is one client or more than
>> one?
> 
> I think you only know that for an established TCP connection. Everything else could be port reuse.

Which doesn’t matter as there can only be one client at any point in time behind the tuple
<src-port,src-address,dst-port,dst-address,UDP> sans a broken NAT implementation.

> Ondřej
> --
> Ondřej Surý — ISC (He/Him)
> 
> My working hours and your working hours may be different. Please do not feel obligated to reply outside your normal working hours.
> 

-- 
Mark Andrews, ISC
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PHONE: +61 2 9871 4742              INTERNET: marka at isc.org



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