Less than 1 week –
Less than 10 hrs/week –
Someone or several people are trying to access our Exchange/Domain Controller server. The Event Viewer shows many entries in the Audit Failure area for invalid usernames and passwords.
I would like for someone to make the server more secure by doing the following:
1. Prevent a user from logging in unless it is from an internal IP or specific external IP addresses or IP ranges.
2. Consider changing the Remote Desktop port. I do not know if this will ...