HTTP Auth: Users
The User Authorization method provide access to the content without any additional software.
First off all make sure that HTTP Authorization is enbaled. Open Settings → HTTP Auth and turn on option Enable built-in HTTP/HLS authentication.
Password authorization
Section titled “Password authorization”User login and password could be added to the playlist URL, if you use HTTP Play:
https://example.com:8000/playlist.m3u8?auth=login:passwordOr to the channel URL:
https://example.com:8000/channel-path/index.m3u8?auth=login:passwordToken authorization
Section titled “Token authorization”Token authorization is more preferable method than password authorization. Unique token could be defined in Settings → Users, open user options:

Token could be added to the playlist URL, if you use HTTP Play:
https://example.com:8000/playlist.m3u8?token=3e3db68b1486Or to the channel URL:
https://example.com:8000/channel-path/index.m3u8?token=3e3db68b1486Read more about Managing Users