ftp.ntua.gr:/ubuntu/dists/groovy-security/universe/binary-i386/by-hash/SHA256/?C=D&O=D 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] fa94e4fef3c81461d58ba8f5dced0ae641928b2391eeb..> 12-May-2021 20:25   60K  
[   ] a7a7a76542e0962ecf233c0ce5d2579dfd21f864a8f67..> 24-Apr-2020 16:54  108   
[   ] 5de37e911b16deb7c83cb947c672d180ef7f801ee8f72..> 12-May-2021 20:25   72K
Apache/2.2 Server at ftp.ntua.gr Port 80