ftp.ntua.gr:/mirror/ubuntu/dists/groovy/universe/debian-installer/binary-i386/by-hash/SHA256/?C=M&O=D 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] 3619b4a8fd0c29b99ea6a0824cb034d23c045353637e5..> 22-Oct-2020 16:30   60K  
[   ] 16b797536a32e97e4a7b0ae196da008e189ce061ae367..> 22-Oct-2020 16:30   51K
Apache/2.2 Server at ftp.ntua.gr Port 80