Fixes the following security issues:
* CVE-2015-5370 (Multiple errors in DCE-RPC code)
* CVE-2016-2110 (Man in the middle attacks possible with NTLMSSP)
* CVE-2016-2111 (NETLOGON Spoofing Vulnerability)
* CVE-2016-2112 (LDAP client and server don't enforce integrity)
* CVE-2016-2113 (Missing TLS certificate validation)
* CVE-2016-2114 ("server signing = mandatory" not enforced)
* CVE-2016-2115 (SMB IPC traffic is not integrity protected)
* CVE-2016-2118 (SAMR and LSA man in the middle attacks possible)
See http://badlock.org/ for details.
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