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K_Wilke

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Harden RDP Server

Hello all,
Weird situation but here it goes.
I was in the middle of installing an RDP server (Windows 2012R2).  I had it set up and did not harden it due to getting that horrid flu going around.  Anyway when I got back to it I found that it was used to release the dharma ransomware.
That has been rectified.
I shut the RDP server down after doing a restore from the backups of data that was encrypted.
My question is besides the following, how do you harden an RDP server:
1)  Using Network Level Authentication (NLA).
2)  Setting Terminal Services Encryption Level to High.
3)  Force the use of TLS 1.0 protocol as a transport layer for the service.
4)  Change the 3389 port to another port
Any help would be greatly appreciated.
Thanks,
Kelly w.
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Cliff Galiher
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K_Wilke

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Thank you very much.
What I was looking for.