I believe that I solved the problem, that is related to the version
of the SAMBA. I updated for the newest version and the problem
seemingly disappeared.

--- In firebird-support@yahoogroups.com, "Humberto Reis"
<humbertoreis2000@y...> wrote:

> I am using FB 1.5 with Red Hat 9.0 and I noticed that the work
> stations lose the connection if they are a certain time idlers,
> returning the following message when trying to enter in any routine
> of the application:
>
> ISC ERROR MESSAGE: CODE 335544721
>
> ISC ERROR MESSAGE
>
> UNABLE TO COMPLETES NETWORK REQUEST TO HOST
> ERROR READING DATES FROM THE CONNECTION
> AN ESTABLISHED CONNECTION WAS ANNULLED BY THE SOFTWARE IN THE
> COMPUTADOR HOST
>
> Would anybody know informs me the solution for this problem?
>
> Thankful.
>
> Humberto