ftp.ntua.gr:/debian/dists/stretch-backports/main/debian-installer/binary-armel/by-hash/SHA256/?C=M&O=A 
Icon  Name                                                                        Last modified      Size  
[DIR] Parent Directory                                                                                 -   
[   ] 9efdde59cb5acc10c4e2f5abfe87d3beae138056f9d6115c52979371c55d6df5            18-Jun-2017 11:28  177   
[   ] be7a02c06bad1c7edc5101367cdf4fb0f0385783c87fd24df3a9428b2ed5879d            16-Oct-2020 17:00  8.8K  
[   ] f29b9737ff39c15a0fb37d3608a5679c39b63dcd2627d8f1f2e670ecc39a8d0a            16-Oct-2020 17:00   10K
Apache/2.2 Server at debian.noc.ntua.gr Port 80