CVS checkout behind firewall proxy

[Alphonse Ogulla <aogulla@gmail.com>]

Hi All,

I'm trying to do a cvs checkout from a debian beast on the company
network but get the error.

cvs [login aborted]: connect to cvs.digium.com(66.250.69.240):2401
failed: No route to host

I'm connected to the internet via a proxy firewall. Does this imply
specific ports required by cvs are closed? Can cvs use the http port
number? How else can I get to use cvs from behind a firewall? I've
read about cvs-proxy but it seems to do a totally different thing.
Shall appreciate your assitance.

-- 
Thanks and regards,
Alphonse,
Nairobi, Kenya.