ftp.ntua.gr:/debian/dists/oldoldoldstable-updates/non-free/debian-installer/binary-armhf/by-hash/SHA256/?C=N&O=D 
Icon  Name                                                                                  Last modified      Size  
[DIR] Parent Directory                                                                                           -   
[   ] f61f27bd17de546264aa58f40f3aafaac7021e0ef69c17f6b1b4cd7664a037ec                      08-Jul-2019 20:55   20   
[   ] 626960a0a934fcdeb0f32f2bf184c21031d27c92ac383b060e51ca3e393d60c8                      08-Jul-2019 20:58  121
Apache/2.2 Server at debian.noc.ntua.gr Port 80