ftp.ntua.gr:/mirror/opera/desktop/23.0.1522.77/mac/?C=N&O=D 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] Opera_23.0.1522.77_Setup.dmg                     18-Aug-2014 17:53   42M  
[   ] Opera_23.0.1522.77_Autoupdate.zip                18-Aug-2014 17:52   41M
Apache/2.2 Server at ftp.grnet.gr Port 80