doc: Add note to ssl_group config on X25519 and FIPS

The X25519 curve is not allowed when OpenSSL is configured for
FIPS mode, so add a note to the documentation that the default
setting must be altered for such setups.

Author: Daniel Gustafsson <daniel@yesql.se>
Reported-by: Tom Lane <tgl@sss.pgh.pa.us>
Discussion: https://postgr.es/m/3521653.1770666093@sss.pgh.pa.us
This commit is contained in:
Daniel Gustafsson 2026-02-16 15:11:29 +01:00
parent 07e90c6913
commit db93988ab0

View file

@ -1563,6 +1563,15 @@ include_dir 'conf.d'
The default is <literal>X25519:prime256v1</literal>.
</para>
<note>
<para>
<literal>X25519</literal> is not allowed when
<productname>OpenSSL</productname> is configured for FIPS mode and
must be removed from the server configuration when FIPS mode is
enabled.
</para>
</note>
<para>
<productname>OpenSSL</productname> names for the most common curves
are: