Mp4 - Dod (401)

: These files are compatible with almost all modern players, including VLC Media Player and QuickTime. Summary Table Likely Meaning Dod Department of Defense or a custom software prefix 401 HTTP "Unauthorized" error or a model/ID number mp4 Standard video file container

Are you seeing this as an in your browser, or is it a specific filename you are trying to identify? Video Filenames for FDR-X1000V - Sony Dod (401) mp4

: You may have tried to download or stream a video without being logged in, or your login session has expired. : These files are compatible with almost all