Many network clients pick up some ephemeral port; each operating system has its own range of ephemeral ports. Check this for windows: http://www.ncftp.com/ncftpd/doc/misc/ephemeral_ports.html#Windows On Tue, Jun 17, 2008 at 7:50 AM, Jose Manuel Quesada <jose.manuelquesada@xxxxxxxxx> wrote: > I am connecting to an Oracle instance through a Oracle 10G client in a > Windows box. Is it possible to choose the client's port number or limit the > port number range not to be so wide (ie, from 4500 to 5000)? -- //www.freelists.org/webpage/oracle-l