ftp.ntua.gr:/debian/dists/stretch/main/debian-installer/binary-all/by-hash/MD5Sum/?C=S&O=A 
Icon  Name                                                            Last modified      Size  
[DIR] Parent Directory                                                                     -   
[   ] a48f6c4facf0311691f37ddfa77e3874                                14-Aug-2021 10:42  120   
[   ] 2a8ec93cd53cbf77e86b22b181cc99a5                                18-Jul-2020 13:40   15K  
[   ] 19baf9d9e5e0f750dc00ba3d285a666d                                18-Jul-2020 13:40   17K
Apache/2.2 Server at debian.noc.ntua.gr Port 80