Seneca now has its own mirror of mozilla.org's CVS and related services
To use the local mirror, set your CVSROOT to:
:pserver:anonymous@hera.senecac.on.ca:/cvsroot
The local mirror is an exact duplicate of cvs-mirror.mozilla.org, so anything you can do with cvs-mirror, you can do with the mirror.
Besides a CVS mirror, other services are also mirrored: