ftp.ntua.gr:/debian/dists/stretch-updates/non-free/binary-amd64/Packages.diff/by-hash/SHA256/?C=N&O=D 
Icon  Name                                                                       Last modified      Size  
[DIR] Parent Directory                                                                                -   
[   ] e27a0aed8a62f3f433571d028d49d4d40e01e2318a4e39ea40491bfe83fa7b25           13-Apr-2021 23:02  1.2K
Apache/2.2 Server at debian.noc.ntua.gr Port 80