ftp.ntua.gr:/ubuntu/dists/focal-updates/main/source/by-hash/SHA256/?C=N&O=A 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] 0b975e36eb8825c9e0a5cf0aeafbb796ba37aaca84418..> 12-May-2021 21:20  380K  
[   ] 17792370cdf348f4fcd9509bf34996e0027b2259a6127..> 13-May-2021 21:05  380K  
[   ] 3c3ac2afe3dfb0927b29b8d4239ddbf76fecc2bc5cd61..> 18-Oct-2019 13:50  104   
[   ] 71e0072ed91299ee092bee2ebf520e1fcf739b6994cbb..> 13-May-2021 11:08  380K  
[   ] 9a7b3abc97d68103bb9e1933104d170352cd29e689004..> 14-May-2021 00:03  476K  
[   ] 9e0765ea891fc0e25ac047f88429f796b1390bdf4eb48..> 12-May-2021 21:20  475K  
[   ] baff86fae168209b8a4acf2e62d36b242b4ec2c59aa9d..> 13-May-2021 11:08  475K  
[   ] bb9506dec56612f2b6e922958332a452a951c9894ae16..> 14-May-2021 00:03  381K  
[   ] daa6c9e10f8c408466dbf8d7002da4babd0a12081c29e..> 13-May-2021 21:05  475K
Apache/2.2 Server at ftp.ntua.gr Port 80