Le lun. 9 févr. 2026 à 21:49, Gabriel Corona <[email protected]> a écrit :
> > Changing $http_host with $host resolves the issue, and is more > > futureproof. > > I agree that using $host is more correct than $http_host. > > Warning: however this could possibly introduce a regression if your > backend application need to use the port information. $host does not > include the port while $http_host typically does. > > (Since NGINX 1.29.3, we can use $host$is_request_port$request_port but > this not available in trixie.) > > > Currently, HTTP/3 is broken with a HTTP/1.1 backend. As there is no Host > > header in HTTP/3 (the name is sent during the negociation and not as a > > header), the backend is refusing the request. > > I'm wondering if this is not a bug in NGINX handling of HTTP/3 requests. > Right, the correct full answer is "this is done on purpose": https://github.com/nginx/nginx/pull/917#issuecomment-3378335444 > > When I am submiting a HTTP/2 request with ":authority" and no "Host" > header field (using Node.js http2 module), the $http_host variable is > properly populated: > > ~~~ > :method = GET > :path = / > :authority = 127.0.0.1:8000 > > :status: 200 > server: nginx/1.29.3 > date: Mon, 09 Feb 2026 20:46:29 GMT > content-type: application/octet-stream > content-length: 46 > > host = 127.0.0.1 > http_host = 127.0.0.1:8000 > ~~~ > > Node.js code: > > ~~~ > const http2 = require('node:http2'); > > const url = process.argv[2]; > const authority = process.argv[3]; > const host = process.argv[4]; > > const client = http2.connect(url); > const method = "GET"; > const path = "/"; > const params = { > ':method': method, > ':path': path, > }; > if (authority != null && authority != "") > params[":authority"] = authority; > if (host != null && host != "") > params["host"] = host; > > for (const k in params) { > console.log(k + " = " + params[k]); > } > console.log("") > > const req = client.request(params); > > let data = "" > req.on('response', (headers, flags) => { > for (const name in headers) { > console.log(`${name}: ${headers[name]}`); > } > }); > req.on('data', (chunk) => { data += chunk; }); > req.on('end', () => { > console.log(`\n${data}`); > client.close(); > process.exit(0); > }); > ~~~ > > NGINX configuration: > > ~~~ > server { > listen 8000 default; > http2 on; > location / { > return 200 "host = $host\r\nhttp_host = $http_host\r\n"; > } > } > ~~~ > > Gabriel > > > _______________________________________________ > Pkg-nginx-maintainers mailing list > [email protected] > > https://alioth-lists.debian.net/cgi-bin/mailman/listinfo/pkg-nginx-maintainers >
