In your Channels page, Click on [Restrictions].
There you can set one of three options for your channel:
- Whitelist: the exclusive domains where you want your channel and its content to be available on. The videos cannot be seen except for the domains in this list.
- Blacklist: these are the domains where you DON'T want your channel and its content to be available on. The videos be seen everywhere except for the domains in this list.
- No restrictions (default): The content will been seen everywhere it's embedded.