At 01:51 PM 29/04/2004 +0000, you wrote:

>Hello,
>
>I am developing a commercial system using Delphi 5.0, Firebird 1.5,
>IBO 4.3Aa, Linux Red Hat 9.0 and in the work stations Win 2000. This
>program is turning, in the version beta, in some customers and they
>are happening serious problems, mainly when the work stations pass a
>certain time without requesting data of the servant. The mistake code
>is:
>
>ISC ERROR MESSAGE: CODE 335544721
>
> ISC ERROR MESSAGE
>
> UNABLE TO COMPLETE NETWORK REQUEST TO HOST
> ERROR READING DATE FROM THE CONNECTION
> AN ESTABLISHED CONNECTION WAS ANNULLED BY THE SOFTWARE IN THE
> COMPUTER HOST
>
>I am extremely discouraged because I don't get to stabilize the
>system and I don't find the necessary literature to help me. I am
>without knowing the problem is in Firebird, IBO, LINUX, etc.
>
>At once I thank all that, in some way, they help me

You are posting in multiple lists. Please do not ask non-IBO questions here.

This is a network condition of some sort, but you do not show any
information from the firebird.log. You do not mention whether you changed
something in firebird.conf.

Stay with firebird-support and post a proper problem description.

Helen