3rd party connectivity to SQL server through firewall

15 pts.
Tags:
DMZ
Firewalls
SQL
SQL connectivity
SQL Server
We need to allow a third party to connect to one of the SQL servers in our DMZ via an externally initiated SQL connection. What is the best approach and what are the risks?

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Configure the firewall so that their public IP has access through the firewall. Ensure that the login which they use to connect to the SQL Server instance has only the minimum permissions needed. As long as the firewall is configured so that only their public IP can access it, the risk is minimal, although anyone coming from that public IP would be able to connect to the SQL Server.

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  • Patch01
    [...] 2. Mrdenny does what he does best, helping out a member connect a third party to SQL server through firewall. [...]
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