Directory of http://herschel.esac.esa.int/hipe/installers/v1.2.5/MacOSX/

(/pub/hscinstall/hipe_installers/v1.2.5/MacOSX) 
Login successful.

drwxr-xr-x    2 5876     100          4096 Nov 24  2009 .
drwxr-xr-x    7 5876     100          4096 Nov 24  2009 ..
-rwxr-xr-x    1 5876     100       5015346 Nov 24  2009 HIPE_1_2_5_INSTALLER.zip