ftp.ntua.gr:/mirror/slackware/slackware64-15.0/source/l/ffmpeg/?C=N&O=D 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[TXT] slack-desc                                       10-Dec-2018 21:57  944   
[TXT] ffmpeg.SlackBuild                                26-Oct-2021 21:15   11K  
[TXT] ffmpeg-4.4.1.tar.xz.asc                          25-Oct-2021 00:07  520   
[   ] ffmpeg-4.4.1.tar.xz                              24-Oct-2021 23:47  9.1M
Apache/2.2 Server at ftp.grnet.gr Port 80