ftp.ntua.gr:/debian/dists/stretch-backports/main/debian-installer/binary-i386/by-hash/MD5Sum/?C=N&O=A 
Icon  Name                                                                       Last modified      Size  
[DIR] Parent Directory                                                                                -   
[   ] 939616aa143a1968fb1f9321a8a2206e                                           18-Jun-2017 11:28  176   
[   ] a9b3d02c4fdb9b6888037d38372143d9                                           16-Oct-2020 17:00   16K  
[   ] e68d93441cf6c0ed2bb219435f3f38b1                                           16-Oct-2020 17:00   14K
Apache/2.2 Server at debian.noc.ntua.gr Port 80