ftp.ntua.gr:/debian/dists/stretch-proposed-updates/main/debian-installer/binary-armhf/by-hash/SHA256/?C=S&O=A 
Icon  Name                                                                               Last modified      Size  
[DIR] Parent Directory                                                                                        -   
[   ] f61f27bd17de546264aa58f40f3aafaac7021e0ef69c17f6b1b4cd7664a037ec                   18-Jul-2020 13:40   20   
[   ] 0040f94d11d0039505328a90b2ff48968db873e9e7967307631bf40ef5679275                   18-Jul-2020 13:40   32   
[   ] 2f346a269d701d33865695b071725b4b9e55a7412fc064a498f63fde8906baab                   14-Aug-2021 16:55  125
Apache/2.2 Server at debian.noc.ntua.gr Port 80