docs: note SSLS-EXPORT feature in -ssl-sessions doc

Without a libcurl built with the SSLS-EXPORT feature this command line
option produces:

  curl: option --ssl-sessions: the installed libcurl version does not support this
  curl: try 'curl --help' or 'curl --manual' for more information

Add a note of warning on the -ssl-session docs page to account for this.

Closes #17909
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Daniel McCarney 2025-07-11 20:41:39 -04:00 committed by Daniel Stenberg
parent a2028823a8
commit b234da49b6
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@ -33,3 +33,6 @@ The SSL session tickets are stored as base64 encoded text, each ticket on
its own line. The hostnames are cryptographically salted and hashed. While
this prevents someone from easily seeing the hosts you contacted, they could
still check if a specific hostname matches one of the values.
This feature requires that the underlying libcurl was built with the
experimental SSL session import/export feature (SSLS-EXPORT) enabled.