On 25.02.21 19:36, Jacob Champion wrote:
> On Thu, 2021-02-25 at 17:00 +0100, Peter Eisentraut wrote:
>> Just as additional data points, it has come to my attention that both
>> the Go driver ("lib/pq") and the JDBC environment already send SNI
>> automatically. (In the case of JDBC this is done by the Java system
>> libraries, not the JDBC driver implementation.)
>
> For the Go case it's only for sslmode=verify-full, and only because the
> Go standard library implementation does it for you automatically if you
> request the builtin server hostname validation. (I checked both lib/pq
> and its de facto replacement, jackc/pgx.) So it may not be something
> that was done on purpose by the driver implementation.
Here is a new patch with an option to turn it off, and some
documentation added.
