ftp.ntua.gr:/debian/dists/stretch-updates/main/binary-armel/by-hash/?C=M&O=A 
Icon  Name                                             Last modified      Size  
[DIR] Parent Directory                                                      -   
[DIR] MD5Sum/                                          15-Apr-2021 11:10    -   
[DIR] SHA256/                                          15-Apr-2021 11:10    -
Apache/2.2 Server at debian.noc.ntua.gr Port 80