ftp.ntua.gr:/mirror/opera/desktop/42.0.2393.137/mac/?C=M&O=A 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] Opera_42.0.2393.137_Autoupdate.tar.xz            18-Jan-2017 10:31   46M  
[   ] Opera_42.0.2393.137_Setup.dmg                    18-Jan-2017 10:31   65M
Apache/2.2 Server at ftp.ntua.gr Port 80