Rocael, i had the same problem today when i tried to download nsoracle from sourceforge cvs.
Now you pointed the new hostname for cvs services i found this post at sourceforge.net:
"On 2006-05-12 the replacement CVS infrastructure was put into place and enabled for general use, following the critical CVS failures in the previous infrastructure in the preceding weeks.
...
Summary of Changes:
1. Hostname for CVS service
Old: cvs.sourceforge.net
New: PROJECT_UNIX_NAME.cvs.sourceforge.net
..."
link to full post: https://sourceforge.net/forum/forum.php?forum_id=575039