ftp.ntua.gr:/ubuntu/dists/groovy-security/universe/debian-installer/binary-i386/by-hash/SHA256/?C=D&O=A 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] 5be84c72447fd5a64a41fec2f32549dd03b1ca6d689dc..> 13-Apr-2021 18:14  3.7K  
[   ] 88ee7c651ec774937057e08560d7e22d10301a535ed34..> 13-Apr-2021 18:14  3.9K
Apache/2.2 Server at ftp.ntua.gr Port 80