ftp.ntua.gr:/debian/dists/jessie/main/installer-armhf/?C=M&O=D 
Icon  Name                       Last modified      Size  
[DIR] Parent Directory                                -   
[DIR] current/                   19-Jun-2018 05:38    -   
[DIR] 20150422+deb8u5/           19-Jun-2018 05:38    -   
[DIR] 20150422/                  23-Apr-2015 01:11    -
Apache/2.2 Server at debian.noc.ntua.gr Port 80