Hi, I have had similar problem - when retrieving lots of rows from a
bigger select statement on a slower line. I tried to change the
TcpRemoteBufferSize parameter in firebird.conf to its minimum value
(1448) and it helped me.

Ales Kahanek

--- In firebird-support@yahoogroups.com, "rodbracher" <rod@m...> wrote:
> Hi
>
> I get the error 'error reading data from the connection' (isc 335544726)
> when running a "big" report. Any other operations on the database are
> fine.
>