Hi , I am currently working on NTLM (Windows NT Lan Manager) APS (Authentication Proxy Server ) . NTLM is MS own proprietary protocol that will allow successful authentication for only MS browsers .
NTLM APS was successfully cracked by Rosmanov and i am working on NTLM APS python package version 0.98 . I am currently on it to port to C language . -- http://mail.python.org/mailman/listinfo/python-list