ftp.ntua.gr:/debian/dists/stretch-backports/non-free/binary-armhf/Packages.diff/by-hash/SHA256/?C=M&O=A 
Icon  Name                                                                         Last modified      Size  
[DIR] Parent Directory                                                                                  -   
[   ] 29293ff83a6fc729a2917e4308bc77763449b90c42ecc422b51cac49faae9c55             09-Dec-2020 10:04   17K
Apache/2.2 Server at ftp.grnet.gr Port 80