ftp.ntua.gr:/debian/dists/oldoldoldstable/main/debian-installer/binary-armhf/by-hash/SHA1/?C=M&O=D 
Icon  Name                                                                      Last modified      Size  
[DIR] Parent Directory                                                                               -   
[   ] cef293e45e035aae98f19d75528d2303a6cfe822                                  06-Jul-2019 12:01  101   
[   ] 381cdf82e99e61429ce8f6ba9b7496240fdb092c                                  23-Jun-2018 12:21   63K  
[   ] 1cf20709a61475086abf3e6463023169e5bb2913                                  23-Jun-2018 12:21   53K
Apache/2.2 Server at ftp.grnet.gr Port 80