Hi,
you’re right, when I’m home, everything’s fine. But when I make my (personal) laptop traveling at work, it’s not OK anymore.
There’s a proxy between me and the www, and I discovered that it was problematic to update the IDE.
Coworkers working on a basic Eclipse distribution do not have the problem. So I imagine that some packages of MyEclipse are fetched from URL filtered by the proxy, maybe because of forbidden ports.
As I’m home, I was able to download the file you indicated to me without any problem. That’s why I’m wandering about ports.