Problem:
You need to change the port (80, 443) which ownCloud is using to another port.
Answer:
ownCloud is served by your webserver so you need to configure the used port in the configuration of your webserver.
Apache:
nginx
Problem:
You need to change the port (80, 443) which ownCloud is using to another port.
Answer:
ownCloud is served by your webserver so you need to configure the used port in the configuration of your webserver.
Apache:
nginx