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5d178de986

Daniel Stenberg
Daniel Stenberg
2026-06-02
SUCCESS Duration: 275s

Subject

hsts.md: mention multiple curl invokes effect

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Architecture: x86_64-linux-gnu Compiler: gcc (Ubuntu 11.4.0-1ubuntu1~22.04.3) 11.4.0

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docs/cmdline-opts/hsts.md+3 -1
@@ -18,7 +18,9 @@ Example:
Enable HSTS for the transfer. If the filename points to an existing HSTS cache
file, that is used. After a completed transfer, the cache is saved to the
-filename again if it has been modified.
+filename again if it has been modified. If you run multiple curl invokes at
+the same time using the same HSTS cache file, they might interfere with each
+other in possibly undesired ways.
If curl is told to use `http://` for a transfer involving a hostname that
exists in the HSTS cache, it upgrades the transfer to use HTTPS. Each HSTS