Discourse.net: Two Strange Orders in the Wikileaks Case: "This isn’t a classic prior restraint on speech since it reaches the registrar not the speaker — but it’s close enough to stopping the delivery trucks on a newspaper that I think this aspect of the decision is a cause for some First Amendment concern."
First Amendment--prior restraint? We will talk about this issue, but basically you hardly ever see a judge allow stopping publication of anything. That's where freedom of the press is at it's strongest. The blog post I linked to focuses on what appears to that blogger to be a prior restraint.