ftp.ntua.gr:/mirror/X11/LyX/bin/2.3.1/?C=D&O=A 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] LyX-2.3.1-1+qt5-x86_64-cocoa.dmg                 02-Oct-2018 04:34  129M  
[   ] LyX-2.3.1-1+qt5-x86_64-cocoa.dmg.sig             02-Oct-2018 04:35  287   
[   ] LyX-231-Installer-5.exe                          29-Sep-2018 23:54   59M  
[   ] LyX-231-Installer-5.exe.sig                      29-Sep-2018 23:54  287   
[   ] lyx-2.3.1-cygwin.tar.gz                          08-Sep-2018 21:49   55M  
[   ] lyx-2.3.1-cygwin.tar.gz.sig                      08-Sep-2018 22:02  287
Apache/2.2 Server at ftp.ntua.gr Port 80