Dedicated/Shared connections

Hello friends I have a quick question about shared connections. I have a listener setup for a database with everything set to specifically use dedicated connections, yet I see some shared connections on the database. I would like to know how I can go about finding why/what is making these connections and should be they be there?
Thanks
Luke

Unfortunately you don't mention your database version (always a good idea to do this). Check your pfile/spfile for parameter 'dispatchers', I assume there are default settings for XDB. If you don't need these services, comment it out.
Werner

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