Some script or similar agent is "pinging" your instance every 5 minutes.
It has no username and/or password so it cannot finish the handshake.
Monitor the Informix port and analyze network traffic to see where the
connection attempt comes from.

Regards

Davorin

"Desmodromic" <davies_ms@yahoo.com.au> wrote in message
news:1171943209.743219.29850@a75g2000cwd.googlegro ups.com...
> Every 5 minutes I am seeing the error below in the online log file.
> However, there have been no complaints from users.
>
> IBM Informix Dynamic Server Version 9.40.FC8
>
> 13:09:07 listener-thread: err = -25582: oserr = 9: errstr = : Network
> connection is broken.
> 13:14:07 listener-thread: err = -25582: oserr = 9: errstr = : Network
> connection is broken.
> 13:19:07 listener-thread: err = -25582: oserr = 9: errstr = : Network
> connection is broken.
> 13:24:06 listener-thread: err = -25582: oserr = 9: errstr = : Network
> connection is broken.
> 13:29:07 listener-thread: err = -25582: oserr = 9: errstr = : Network
> connection is broken.
>
> Any idea what may be causing this or what areas I should investigate?
>
> Thanks.
>