ftp.ntua.gr:/mirror/ubuntu/dists/bionic/main/installer-amd64/20101020ubuntu543/images/?C=N&O=D 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] udeb.list                                        26-Apr-2018 00:23  4.4K  
[DIR] netboot/                                         26-Apr-2018 00:23    -   
[DIR] hd-media/                                        26-Apr-2018 00:23    -   
[DIR] cdrom/                                           26-Apr-2018 00:23    -   
[   ] SHA256SUMS.gpg                                   26-Apr-2018 00:23  819   
[   ] SHA256SUMS                                       26-Apr-2018 00:23  4.2K  
[   ] SHA1SUMS.gpg                                     26-Apr-2018 00:23  819   
[   ] SHA1SUMS                                         26-Apr-2018 00:23  3.3K  
[   ] MD5SUMS.gpg                                      26-Apr-2018 00:23  819   
[   ] MD5SUMS                                          26-Apr-2018 00:23  3.0K  
[   ] MANIFEST.udebs                                   26-Apr-2018 00:23   24K  
[TXT] MANIFEST                                         26-Apr-2018 00:23  1.0K
Apache/2.2 Server at ftp.ntua.gr Port 80