rules/Azure.PostgreSQL.Rule.ps1
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# Copyright (c) Microsoft Corporation. # Licensed under the MIT License. # # Validation rules for Azure Database for PostgreSQL # # Synopsis: Use encrypted PostgreSQL connections Rule 'Azure.PostgreSQL.UseSSL' -Type 'Microsoft.DBforPostgreSQL/servers' -Tag @{ release = 'GA'; ruleSet = '2020_06' } { $Assert.HasFieldValue($TargetObject, 'Properties.sslEnforcement', 'Enabled'); } # Synopsis: Consider configuring the minimum supported TLS version to be 1.2. Rule 'Azure.PostgreSQL.MinTLS' -Type 'Microsoft.DBforPostgreSQL/servers' -Tag @{ release = 'GA'; ruleSet = '2020_09' } { $Assert.HasFieldValue($TargetObject, 'Properties.minimalTlsVersion', 'TLS1_2'); } # Synopsis: Determine if there is an excessive number of firewall rules Rule 'Azure.PostgreSQL.FirewallRuleCount' -Type 'Microsoft.DBforPostgreSQL/servers' -Tag @{ release = 'GA'; ruleSet = '2020_06' } { $firewallRules = @(GetSubResources -ResourceType 'Microsoft.DBforPostgreSQL/servers/firewallRules'); $Assert. LessOrEqual($firewallRules, '.', 10). WithReason(($LocalizedData.DBServerFirewallRuleCount -f $firewallRules.Length, 10), $True); } # Synopsis: Determine if access from Azure services is required Rule 'Azure.PostgreSQL.AllowAzureAccess' -Type 'Microsoft.DBforPostgreSQL/servers' -Tag @{ release = 'GA'; ruleSet = '2020_06' } { $firewallRules = @(GetSubResources -ResourceType 'Microsoft.DBforPostgreSQL/servers/firewallRules' | Where-Object { $_.ResourceName -eq 'AllowAllWindowsAzureIps' -or ($_.properties.startIpAddress -eq '0.0.0.0' -and $_.properties.endIpAddress -eq '0.0.0.0') }) $firewallRules.Length -eq 0; } # Synopsis: Determine if there is an excessive number of permitted IP addresses Rule 'Azure.PostgreSQL.FirewallIPRange' -Type 'Microsoft.DBforPostgreSQL/servers' -Tag @{ release = 'GA'; ruleSet = '2020_06' } { $summary = GetIPAddressSummary $Assert. LessOrEqual($summary, 'Public', 10). WithReason(($LocalizedData.DBServerFirewallPublicIPRange -f $summary.Public, 10), $True); } |