Limit PostgreSQL server firewall rule range

SYNOPSIS

Determine if there is an excessive number of permitted IP addresses.

DESCRIPTION

Typically the number of IP address rules permitted through the firewall is minimal, with management connectivity from on-premises and cloud application connectivity the most common.

RECOMMENDATION

The PostgreSQL server has greater then ten (10) public IP addresses that are permitted network access. Some rules may not be needed or can be reduced.

LINKS

• SE:06 Network controls
• Firewall rules in Azure Database for PostgreSQL - Single Server
• Create and manage firewall rules for Azure Database for PostgreSQL - Single Server using the Azure portal