Subject isql 2.5 with server 3
Author Hamish Moffatt
I have a linux server with a local Firebird 2.5.8 server and utilities
and the Firebird 3.0.1 client library. I need to connect to a remote
Firebird 3 server as well as the local 2.5 server.

isql can't connect to the 3 server. I always get

$ isql-fb fb3server:db -user 123 -password 456
Statement failed, SQLSTATE = 08004
connection rejected by remote interface
Use CONNECT or CREATE DATABASE to specify a database

Is this expected?

I can connect from Python (fdb) ok so the client library is definitely