ftp.ntua.gr:/mirror/opera/desktop/28.0.1750.51/mac/?C=N&O=D 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] Opera_28.0.1750.51_Setup.dmg                     08-Apr-2015 10:35   53M  
[   ] Opera_28.0.1750.51_Autoupdate.tar.xz             08-Apr-2015 10:35   38M
Apache/2.2 Server at ftp.grnet.gr Port 80