Re: Frontend/Backend Protocol: SSL / GSS Protocol Negotiation Problem

2019-12-06 Thread Jakob Egger
> On 6. Dec 2019, at 16:45, Andrew Gierth wrote: > >> "Jakob" == Jakob Egger writes: > > Jakob> But this also needs to be fixed on the client side as well, > Jakob> otherwise affected clients can't connect to older servers > Jakob> anymore. > > There's a workaround, which is to set PGGSS

Re: Frontend/Backend Protocol: SSL / GSS Protocol Negotiation Problem

2019-12-06 Thread Andrew Gierth
> "Jakob" == Jakob Egger writes: Jakob> But this also needs to be fixed on the client side as well, Jakob> otherwise affected clients can't connect to older servers Jakob> anymore. There's a workaround, which is to set PGGSSENCMODE=disable on the client. It would be far better to avoid c

Re: Frontend/Backend Protocol: SSL / GSS Protocol Negotiation Problem

2019-12-06 Thread Jakob Egger
> On 6. Dec 2019, at 15:08, Michael Paquier wrote: > > On Fri, Dec 06, 2019 at 02:25:46PM +0100, Jakob Egger wrote: >> I've received a bug report from a PostgreSQL user that psql 12.1 >> failed to connect to a PostgreSQL 12.1 server, with the following >> error message: >> >> psql: error: cou

Re: Frontend/Backend Protocol: SSL / GSS Protocol Negotiation Problem

2019-12-06 Thread Michael Paquier
On Fri, Dec 06, 2019 at 02:25:46PM +0100, Jakob Egger wrote: > I've received a bug report from a PostgreSQL user that psql 12.1 > failed to connect to a PostgreSQL 12.1 server, with the following > error message: > > psql: error: could not connect to server: FATAL: unsupported > frontend protocol

Frontend/Backend Protocol: SSL / GSS Protocol Negotiation Problem

2019-12-06 Thread Jakob Egger
Hi! I've received a bug report from a PostgreSQL user that psql 12.1 failed to connect to a PostgreSQL 12.1 server, with the following error message: psql: error: could not connect to server: FATAL: unsupported frontend protocol 1234.5679: server supports 2.0 to 3.0 After inspecting a TCP dump