The keep_alive option must be enabled for NTLM authentication to work. NTLM authentication aborted. couldn't get script http://www.company.com/_layouts/1033/init.js?rev=qX%2BG3yl4pldKy9KbPLXf9w%3D%3D: 401 Unauthorized at /usr/local/lib/perl5/vendor_perl/5.10.1/HTML/DOM.pm line 494