Does Itunes open any malicious ports on a pc that can provide hackers a wa?

My supervisor has successfully convinced the company manager that allowing users to have iTunes was against company policy because it opens ports that puts our network at risk. I have not been able to find any documentation that supports him but neither have I found any to dispute him. He is an apple hater and that, I believe is his real reason. I would like to be able to have the real scoop on this, any ideas? Thanks for any input.

There's information on the ports that Apple Software use in the following document:
["Well known" TCP and UDP ports used by Apple software products|http://support.apple.com/kb/TS1629]
(The iTunes, BonJour and QuickTime information in there is relevant.)
For more information on specific domains and so forth that iTunes uses (under "Configure your security software" in the "Useful information for configuring your security software" section), see the following document:
[iTunes for Windows: Troubleshooting security software issues|http://support.apple.com/kb/TS3125]

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Does Itunes open any malicious ports on a pc that can provide hackers a wa?

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