> Sorry about this, Yes ,you can test it like what I did.
> steps
> 1. remote server listening port is 3050.
> 2. client, set the remoteserverport=3050, restart service,
> open IBOConsole,
> then connect to remote server.(it will be ok)

you don't set a client config file - there is no such config for a client

> 3. change client firebird configuration remoteserverport=3051,
> (dont restart service), reopen IBOConsole,
> connect to server, then you will find
> it take a long time, but still can connect!

not an artifact of the config change - clients don't read anything like
this - they rely on servername/portnumber in the connection string

> 4. restart service, connect to server again, you will find you
> can not connect now.......(so strange logic, I dont know why..)
>
> regards,
> Roc

Alan