ftp.ntua.gr:/debian/dists/oldoldoldstable/main/debian-installer/binary-all/by-hash/?C=N&O=D 
Icon  Name                                                            Last modified      Size  
[DIR] Parent Directory                                                                     -   
[DIR] SHA256/                                                         08-Jul-2019 00:07    -   
[DIR] SHA1/                                                           08-Jul-2019 00:07    -   
[DIR] MD5Sum/                                                         08-Jul-2019 00:07    -
Apache/2.2 Server at debian.noc.ntua.gr Port 80