ftp.ntua.gr:/debian/dists/buster-backports/contrib/binary-s390x/by-hash/SHA256/?C=M&O=A 
Icon  Name                                                             Last modified      Size  
[DIR] Parent Directory                                                                      -   
[   ] 1509a6a8aaa52164092b1d0a20275a99d1241068b7a0b90985ec5e40e9881afa 07-Apr-2019 23:16  179   
[   ] 7f98adf518a51ac6db7e24126dc69f8c6ad7355536b5e093f13fbb176fc99fc7 02-Aug-2021 22:57  5.8K  
[   ] 3e18837964caf89794af8839c52f77d4facadfb4d054f9fd2be14658f2982979 20-Oct-2021 16:59  5.8K
Apache/2.2 Server at debian.noc.ntua.gr Port 80