ftp.ntua.gr:/debian/dists/buster-backports/contrib/binary-armhf/by-hash/SHA256/?C=N&O=A 
Icon  Name                                                             Last modified      Size  
[DIR] Parent Directory                                                                      -   
[   ] 00c8c7ad6a13ac41b1d1749d1d1223a377733edda2e9e8190ec2946621c38af2 07-Apr-2019 23:16  179   
[   ] 294bf01dc47158414d3ab391b5ad335b005914e791ecc4e7bcaec9a70ed84f88 01-Apr-2022 04:58  7.6K  
[   ] 803c5386f16c3da303b20928a1bccbafdd9bc9f1fba616647f720e8316dab7f2 02-Aug-2021 22:57  7.5K
Apache/2.2 Server at debian.noc.ntua.gr Port 80