Question : Networking : What is port 7053 used for ?

Windows XP

Answer : Networking : What is port 7053 used for ?

It could be used by just about any application as it really doesn't have a true single use designation. However Iana, who maintains the port designations, has tagged this for steaming audio and video:
http://www.chebucto.ns.ca/~rakerman/port-table.html#Table