ftp.ntua.gr:/debian/dists/stretch-proposed-updates/main/binary-ppc64el/by-hash/SHA256/?C=N&O=D 
Icon  Name                                                                Last modified      Size  
[DIR] Parent Directory                                                                         -   
[   ] f4b7a68148fd182f5dabaa1a704d7164fb9af73e8f823a943a1d33bce258562d    18-Jul-2020 22:57  500   
[   ] bc64783558139f09fddd955e3e14a83da1506dff9d7513537510531a45a15300    14-Aug-2021 16:55  127   
[   ] 565cc438bc70246c46a75ba9cbbd895aaf6ec4db4bd56f5d7d22c3a520117c79    18-Jul-2020 22:57  432
Apache/2.2 Server at ftp.ntua.gr Port 80