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Damien Neil b9153f6ef3 net/http: permit requests with invalid Host headers
Historically, the Transport has silently truncated invalid
Host headers at the first '/' or ' ' character. CL 506996 changed
this behavior to reject invalid Host headers entirely.
Unfortunately, Docker appears to rely on the previous behavior.

When sending a HTTP/1 request with an invalid Host, send an empty
Host header. This is safer than truncation: If you care about the
Host, then you should get the one you set; if you don't care,
then an empty Host should be fine.

Continue to fully validate Host headers sent to a proxy,
since proxies generally can't productively forward requests
without a Host.

For #60374
Fixes #61431

Change-Id: If170c7dd860aa20eb58fe32990fc93af832742b6
Reviewed-on: https://go-review.googlesource.com/c/go/+/511155
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Roland Shoemaker <roland@golang.org>
Run-TryBot: Damien Neil <dneil@google.com>
2023-08-07 22:48:40 +00:00
.github .github: fix templates with multiple labels 2023-07-31 18:28:27 +00:00
api net/http: add ServeFileFS, FileServerFS, NewFileTransportFS 2023-08-07 17:07:12 +00:00
doc doc: move Go 1.21 release notes to x/website 2023-08-04 18:16:07 +00:00
lib/time lib/time: update to 2023c/2023c 2023-05-03 20:14:11 +00:00
misc misc/wasm: switch default WASI runtime 2023-07-26 14:30:35 +00:00
src net/http: permit requests with invalid Host headers 2023-08-07 22:48:40 +00:00
test cmd/compile: fix missing init nodes for len(string([]byte)) optimization 2023-08-07 03:12:29 +00:00
.gitattributes
.gitignore internal/platform,cmd/dist: export the list of supported platforms 2023-06-22 19:44:52 +00:00
codereview.cfg
CONTRIBUTING.md doc: normalize proposal-process links 2023-03-29 22:00:27 +00:00
go.env cmd/go: additional doc-inspired tests and bug fixes 2023-06-06 19:18:46 +00:00
LICENSE
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README.md README: update from CC-BY-3.0 to CC-BY-4.0 2022-11-02 20:14:56 +00:00
SECURITY.md SECURITY.md: replace golang.org with go.dev 2022-04-26 19:59:47 +00:00

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