On 2024-01-01 16:38, Ondřej Surý wrote:

On 1. 1. 2024, at 15:19, r1wcp...@bbqporkmccity.com wrote:

Thank you very much, I was unaware of the HTTP/2 requirement and was assuming 
it is a bug. Is there any reason for omitting the HTTP/1.1 upgrade part of the 
protocol?
It would be additional complexity that's really not needed. The HTTP/2 library 
(libnghttp) doesn't provide HTTP/1.1 implementation,
so we would have to bolt something own for a little gain. And it would increase 
an attack surface as it would be yet another protocol
open to the world that can have bugs in it.
Funny, given that HTTP/2 (the spec) had a CVE against it last October,
while HTTP/0.9 and HTTP/1.x did not.

Having the DoH server as a standalone process talking to DNS/TCP would
be a solid implementation given the constant flow of changes made to
HTTP(S) by the Big 5.

Enjoy

Jakob
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Jakob Bohm, CIO, Partner, WiseMo A/S.  https://www.wisemo.com
Transformervej 29, 2860 Søborg, Denmark.  Direct +45 31 13 16 10
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WiseMo - Remote Service Management for PCs, Phones and Embedded

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