ftp.ntua.gr:/ubuntu/dists/groovy-updates/main/debian-installer/binary-amd64/by-hash/SHA256/ 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] 02b04c18e803907edb30d98b0f1ccad5f97786af70932..> 11-May-2021 20:34  105K  
[   ] ac0b69361fb8032d74bb12250c4b0be20389f2b4ef8f9..> 11-May-2021 20:34   86K
Apache/2.2 Server at ftp.ntua.gr Port 80