Open Intranet
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Select Options > Settings > Options > Advanced settings.
To specify the domain names, but not the IP addresses, of qualified servers, select Trusted NTLM servers. Separate the entries with a comma.
To use Transport Layer Security when browsing the intranet, select Require TLS > Yes.
To restrict the device from performing NTLM v1.0 authentication, selectAllow NTLM v1.0 > No.
The available options may vary.