[dnsdist] dnstap shows UDP for a DoH-query
lists at verreckte-cheib.ch
Tue Jun 15 04:53:58 UTC 2021
I've opened a bug report:
On 14.06.21 16:09, Remi Gacogne via dnsdist wrote:
> Hi Tom,
> On 6/14/21 2:41 PM, Tom via dnsdist wrote:
>> Why do I see the protocol "UDP" in the fstrm-log for a DoH request,
>> although I am sure (tcpdump) that this request was made with tcp?
>> Maybe because dnsdist queries the backend server with UDP for the DoH
> Yes, it looks like a bug. It is likely that there was indeed some
> confusion between the protocol the query was received on and the one
> used to contact the backend.
> I know I had to clean that up in , because it introduces the ability
> to forward UDP queries over TCP/TLS, for example, so it made things even
> more complicated. So I know this will be fixed in 1.7.0, but we should
> fix that in 1.6.x as well. Would you mind opening a bug report in GitHub
> ? Otherwise I'll do so we remember to look into it.
> : https://github.com/PowerDNS/pdns/pull/10338
> : https://github.com/PowerDNS/pdns/issues/new/choose
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