ftp.ntua.gr:/ubuntu/dists/focal-updates/restricted/cnf/by-hash/SHA256/?C=N&O=A 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] 4c90b549aa0d158c64df51c3e8d3ab06c0fde2f531baa..> 25-Oct-2019 08:29  116   
[   ] 6ca1581ffe1c3a9147a1ec2735a02df1695126807e921..> 23-Apr-2021 11:17  340   
[   ] 86e84fa29ce9fb2f2a6aa36ce646ded2c25bb71e4fc4c..> 23-Apr-2021 11:17  288   
[   ] 9b637671a8d2aa547466794cac1ed8961d0147f7d8ed3..> 23-Apr-2021 11:17  436   
[   ] a07ed7e7ba0ea3b650971ea24538832ed27f976df45ed..> 25-Oct-2019 08:29  116   
[   ] cf513fe23b9f5117f97e0076d40ef04f067a9a51971fa..> 25-Oct-2019 08:29  116   
[   ] f2a1660678f93a3540ad4111d6efc26a3d6dbeed977f3..> 23-Nov-2020 09:25  116
Apache/2.2 Server at ftp.ntua.gr Port 80