ftp.ntua.gr:/debian/dists/stretch/main/installer-amd64/current/images/netboot/xen/?C=S&O=D 
Icon  Name                                                               Last modified      Size  
[DIR] Parent Directory                                                                        -   
[   ] initrd.gz                                                          12-Jul-2020 20:49   46M  
[   ] vmlinuz                                                            12-Jul-2020 20:49  4.1M  
[TXT] debian.cfg                                                         12-Jul-2020 20:49  6.1K
Apache/2.2 Server at debian.noc.ntua.gr Port 80