error

C:\Users\Makedonski ajvar\Downloads>ffmpeg -i "http://bow.streammachine.xyz:8880/vhvYDgXLAhr0CdOVl25IyY11C2eUDM9KlNnVBNL0DI5HzgfWDgL2zs5SzxzLBdmUBMv0l1bst0qXmc9ZB255l05cq19vu0forvrxt1jll2XPDMuVBwfZDgvYx3DPCMvKlM0ZDtG=.m3u8" -c copy backstage1811.mp4
ffmpeg version N-86935-g44e9783 Copyright (c) 2000-2017 the FFmpeg developers
  built with gcc 7.1.0 (GCC)
  configuration: --enable-gpl --enable-version3 --enable-cuda --enable-cuvid --enable-d3d11va --enable-dxva2 --enable-libmfx --enable-nvenc --enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libfreetype --enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenh264 --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-libzimg --enable-lzma --enable-zlib
  libavutil      55. 69.101 / 55. 69.101
  libavcodec     57.102.100 / 57.102.100
  libavformat    57. 76.100 / 57. 76.100
  libavdevice    57.  7.100 / 57.  7.100
  libavfilter     6. 97.100 /  6. 97.100
  libswscale      4.  7.101 /  4.  7.101
  libswresample   2.  8.100 /  2.  8.100
  libpostproc    54.  6.100 / 54.  6.100
[http @ 00000000045636c0] HTTP error 403 OK
http://bow.streammachine.xyz:8880/vhvYDgXLAhr0CdOVl25IyY11C2eUDM9KlNnVBNL0DI5HzgfWDgL2zs5SzxzLBdmUBMv0l1bst0qXmc9ZB255l05cq19vu0forvrxt1jll2XPDMuVBwfZDgvYx3DPCMvKlM0ZDtG=.m3u8: Server returned 403 Forbidden (access denied)