Learning Center
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Domains and Ports That Must Be Accessible to Use DCMP
In order to use DCMP services within your school's network, your browser needs to be able to access a number of required domains and ports. If you are having problems with playing DCMP media, please send this page to your IT department at your school or district and request these domains be allowed through your firewall. If you cannot access domains listed below, you will experience issues using DCMP services. All services communicate over ports 80 and 443. If you have additional questions please contact us at districtsupport@dcmp.org.
From DCMP Help Center