On 1/31/25 00:57, Zwettler Markus (OIZ) wrote:
>> Von: Tom Lane <tgl@sss.pgh.pa.us>
>> Those cause some additional checks to be made, but it's not like you can expect a
>> completely broken certificate to work without them.
>>
>> regards, tom lane
>
>
>
> I don't understand why Postgres does a certificate validation with “sslmode=prefer”. Postgres should simply ignore
everypresented client certificate here. Regardless of whether it is trusted or not.
What are the relevant lines in pg_hba.conf?
>
> A certificate validation should only take place in the modes “sslmode=verify-ca” and “ssmode=verify-full”. Only here
shouldPostgres refuse a connection with non-trusted certificates.
>
> At least that's what I read in the documentation. No?
>
> Regards, Markus
>
--
Adrian Klaver
adrian.klaver@aklaver.com