ftp.ntua.gr:/mirror/ubuntu/dists/xenial-security/main/dist-upgrader-all/16.04.25/?C=S&O=D 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] xenial.tar.gz                                    09-Apr-2018 20:08  1.2M  
[TXT] EOLReleaseAnnouncement.html                      09-Apr-2018 20:08  2.9K  
[TXT] ReleaseAnnouncement.html                         09-Apr-2018 20:08  2.6K  
[TXT] DevelReleaseAnnouncement.html                    09-Apr-2018 20:08  2.4K  
[TXT] EOLReleaseAnnouncement                           09-Apr-2018 20:08  2.0K  
[TXT] ReleaseAnnouncement                              09-Apr-2018 20:08  1.7K  
[TXT] DevelReleaseAnnouncement                         09-Apr-2018 20:08  1.6K  
[   ] xenial.tar.gz.gpg                                09-Apr-2018 20:08  819
Apache/2.2 Server at ftp.grnet.gr Port 80