ftp.ntua.gr:/mirror/opera/desktop/30.0.1835.88/mac/?C=S&O=D 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] Opera_30.0.1835.88_Setup.dmg                     23-Jun-2015 19:46   52M  
[   ] Opera_30.0.1835.88_Autoupdate.tar.xz             23-Jun-2015 19:46   36M
Apache/2.2 Server at ftp.grnet.gr Port 80