On Tue, Jul 20, 2021 at 12:39:51PM +0200, Dorin RuV wrote:
Hi there,
> I'm currently having an issue with nginx which I cannot get to the bottom
> of.
> server{
> listen 443 ssl http2;
Does anything change if you just remove that "http2"?
> location / {
> proxy_http_version 1.1;
> proxy_set_header Upgrade $http_upgrade;
"Upgrade" is a http/1.1 header, not a http/2.0 header. So for an incoming
http/2.0 request, the variable should be empty.
> It seems though that the
> $http_upgrade variable is seen as empty, even though tcpdump confirms the
> fact that the Upgrade header is correctly sent to Nginx by the client
> request.
I'm guessing that tcpdump is showing that the http/1.1 request to port
80 includes the Upgrade header; but is not showing anything about what
is in the encrypted http/2.0 request to port 443?
Cheers,
f
--
Francis Daly fran...@daoine.org
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