Re: error message "psql: expected authentication request from server, but received " when using psql to connect remote database - Mailing list pgsql-bugs

"TIAN Justin" <yongjuntian@alcatel-lucent.com> writes:
> Actually, we don't directly use postgre server,we open TCP connection to
> support postgre wire protocol, so psql client can connect to our
> application,
> I found the problem is in the StartupMessage, when psql client version
> is 8.1.4, the major and minor version in StartupMessage is 1234 and
> 5679, not 3 and 0, that is the problem, I want to know whether it is the
> bug of 8.1.4, or I can do some configuration?

Sounds like you need to fix your "support of the postgres wire
protocol" --- in particular you'd better read up on query cancel,
and it would appear you are unable to send a proper error response
either.

            regards, tom lane