>Because this message doesn't ring me any bell, I would say it is coming from the route from this end to your end. It could come from a security in place, a proxy or something similar. If you can, maybe you can disable that tomorrow for the entire day and see how it goes. With the frequency that you know, you will be able to know after a while if that is in effect or not.
Can't disable anything at work. And it only happens there, not at home.
"Once again, we come to the Holiday Season, a deeply religious time that each of us observes, in his own way, by going to the mall of his choice." -- Dave Barry