ftp.ntua.gr:/debian/dists/stretch/non-free/binary-all/by-hash/MD5Sum/?C=M&O=D 
Icon  Name                                               Last modified      Size  
[DIR] Parent Directory                                                        -   
[   ] 79139f29a3939a22fd8912ebc9d8a141                   14-Aug-2021 10:42  124   
[   ] a01d4aa8deb281b642ce95d02f4a1833                   18-Jul-2020 13:40   49K  
[   ] 1f0a4df93e1900db11fbc39df523289d                   18-Jul-2020 13:40   42K
Apache/2.2 Server at debian.noc.ntua.gr Port 80