You can now connect your Azure Database for PostgreSQL - Hyperscale (Citus) nodes to the Azure Virtual Network securely and privately with Private Link. Private Link simplifies the network architecture and secures the connection between endpoints in Azure by keeping data on the Azure network, eliminating exposure to the Internet. Applications running in connected virtual networks, peered virtual networks, on-premises environments, and sites securely connected to Azure using ExpressRoute can access Azure Database for PostgreSQL - Hyperscale (Citus) nodes with private endpoints via private IP addresses.
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