ftp.ntua.gr:/debian/dists/buster-backports/non-free/Contents-armhf.diff/by-hash/SHA256/?C=M&O=A 
Icon  Name                                                                 Last modified      Size  
[DIR] Parent Directory                                                                          -   
[   ] 08a3f596ff04c485932f26bcce85fd0f50e9c1b90a5b1414074815b99e585357     18-Aug-2021 11:10   20K
Apache/2.2 Server at ftp.ntua.gr Port 80