And a proxy is not necessarily the Journal publisher's preferred method for allowing access.
At the place where I currently work, there are at least three different types of services used for different websites:
There's a very amusing comment in the Nature page, though, which I can read for free:
]]>In the middle of 2001 Ginsparg left the Los Alamos National Laboratory, under less than amicable circumstances, for Cornell University which allowed him to continue and extend arXiv using it as a model for research into digital libraries. As Ginsparg described it, the last straw was a recent salary review which described him as, "a strictly average performer by overall lab standards; with no particular computer skills contributing to lab programs; easily replaced, and moreover overpaid, according to an external market survey". The then Chair of the Department of Physics at Cornell, Peter Lepage's sardonic comment was, "Evidently their form didn't have a box for: 'completely transformed the nature and reach of scientific information in physics and other fields'."