ftp.ntua.gr:/ubuntu/dists/bionic-security/universe/debian-installer/binary-i386/by-hash/SHA256/?C=S&O=A 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] a098049a300490314ac3b5a82132aede7fa0035b0486e..> 29-Apr-2021 14:27  6.4K  
[   ] 0e0d5a757782e11b03ac3380c6698a9161140ea4cb4ba..> 29-Apr-2021 14:27  6.8K
Apache/2.2 Server at ftp.ntua.gr Port 80