Does HTTP/3 necessitate additional – beyond HTTP/2 via TLS1.3 – restrictions on client authentication (mTLS)?

A recent Nginx release allows me to set listen 443 quic; to enable HTTP/3. Neat. I had been using HTTP/2 with TLS1.3 before, so I did not expect that change much, just optimize round trips with otherwise matching security properties.
One m… Continue reading Does HTTP/3 necessitate additional – beyond HTTP/2 via TLS1.3 – restrictions on client authentication (mTLS)?