ftp.ntua.gr:/mirror/opera/desktop/28.0.1750.40/mac/?C=S&O=D 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] Opera_28.0.1750.40_Setup.dmg                     09-Mar-2015 18:22   53M  
[   ] Opera_28.0.1750.40_Autoupdate.zip                09-Mar-2015 18:22   52M  
[   ] Opera_28.0.1750.40_Autoupdate.tar.xz             09-Mar-2015 18:22   37M
Apache/2.2 Server at ftp.ntua.gr Port 80