A private endpoint connection enables private connectivity to your Azure SQL Database via a private IP address inside a virtual network. This configuration improves your security posture and supports Azure networking tools and scenarios.
Ensure overall network security controls are implemented including the following:
(a) dedicated firewalls at all segments. All external-facing firewalls must be deployed on High Availability (HA) configuration and “fail-close” mode activated. Deploy different brand name/model for two firewalls located in sequence within the same network path;
(b) IPS at all critical network segments with the capability to inspect and monitor encrypted network traffic;
(c) web and email filtering systems such as web-proxy, spam filter and anti-spoofing controls;
(d) endpoint protection solution to detect and remove security threats including viruses and malicious software;
(e) solution to mitigate advanced persistent threats including zero-day and signatureless malware; and
(f) capture the full network packets to rebuild relevant network sessions to aid forensics in the event of incidents.