Verizon FIOS login does not work in Chromebook.

http://www.verizon.com/?lid=//global//residential

Bad Request

Your browser sent a request that this server could not understand.
Size of a request header field exceeds server limit.
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It worked for years but not the last couple of weeks.  Verizon FIOS support was not helpful, insisting it was the fault of my Chromebook or its browser, both of which work fine with the rest of the web and Internet.