UnknownSec Bypass 403

: /etc/apt/sources.list.d/ [ drwxr-xr-x ]
name : jonathonf-ubuntu-ffmpeg-3-xenial.list deb http://ppa.launchpad.net/jonathonf/ffmpeg-3/ubuntu xenial main # deb-src http://ppa.launchpad.net/jonathonf/ffmpeg-3/ubuntu xenial main # deb-src http://ppa.launchpad.net/jonathonf/ffmpeg-3/ubuntu xenial main