On Tue, Aug 26, 2025 at 3:28 AM xx Z <[email protected]> wrote:

> Hello PostgreSQL community,
>
> I have a question regarding the configuration of streaming replication.
>
> When setting up streaming replication over TLS, I've noticed that while
> the primary server can restrict its supported encryption algorithms using
> the ssl_ciphers parameter, there doesn't seem to be a corresponding method
> for the standby (client) side of the replication connection. The standby
> appears to use all the default ciphers supported by the system's OpenSSL
> library.
>

What is a "standby (client)"?

Postgresql version: 15.2
>

That's missing 12 sets (three years) of bug fixes.  When using RPM or .deb
packages, updating takes only a few minutes.

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