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AWS RDS Instance

Best practices and references below are based on published guidance from the cloud service provider and may reference native capabilities the cloud service provider offers. If you are not using the native security capabilities, the same security requirement can be met using other security capabilities your organization utilizes
AWS Security Best Practices
There are number of security considerations when using AWS RDS Instances or Clusters. One key consideration is to use AWS Identity and Access Management (IAM) accounts to control access to Amazon RDS API operations, especially operations that create, modify, or delete Amazon RDSresources. Such resources include DB instances, security groups, and parameter groups. Ensure that IAM is also used to control actions that perform common administrative actions such as backing up and restoring DB instances.
  • Create an individual IAM user for each person who manages Amazon RDS resources, including yourself. Don't use AWS root credentials to manage Amazon RDS resources.
  • Grant each user the minimum set of permissions required to perform his or her duties.
  • Use IAM groups to effectively manage permissions for multiple users.
  • Rotate your IAM credentials regularly.
  • Configure AWS Secrets Manager to automatically rotate the secrets for Amazon RDS. You can also retrieve the credential from AWS Secrets Manager programmatically. For more information, see Retrieving the secret value in the AWS Secrets Manager User Guide.
For more guidance on securing AWS RDS, look at oak9's security bluerprint for RDS.

Logging

Design Guidance:

AWS::RDS::DBInstance

Enable Cloudwatch Logs Exports
​Terraform​
Enable Performance Insights
​Terraform​
Monitoring Interval
​Terraform​
Monitoring Role Arn
​Terraform​
Performance Insights Retention Period
​Terraform​

AWS::RDS::DBProxy

Debug Logging
​Terraform​

AWS::RDS::EventSubscription

Enabled
Sns Topic Arn
Source Ids

Session Limits

Design Guidance:

AWS::RDS::DBProxy

Idle Client Timeout
​Terraform​

Asset Inventory

Design Guidance:

AWS::RDS::DBInstance

Dbcluster Identifier
​Terraform​
Dbinstance Identifier
​Terraform​
Dbname
​Terraform​
Dbparameter Group Name
​Terraform​
Option Group Name
​Terraform​
Tags
​Terraform​

AWS::RDS::DBParameterGroup

Tags
​Terraform​

AWS::RDS::DBProxy

Tags
​Terraform​

AWS::RDS::DBSecurityGroup

Tags
​Terraform​

AWS::RDS::DBSubnetGroup

Tags
​Terraform​

AWS::RDS::OptionGroup

Engine Name
​Terraform​
Tags
​Terraform​

Design for High Availability

Design Guidance:

AWS::RDS::DBInstance

Availability Zone
​Terraform​
Multi Az
​Terraform​
Dbinstance Class
​Terraform​
Deletion Protection
​Terraform​
Max Allocated Storage
​Terraform​
Processor Features-Name
​Terraform​
Processor Features-Value
​Terraform​

Data Retention

AWS::RDS::DBInstance

Backup Retention Period
​Terraform​

Backups

Design Guidance:

AWS::RDS::DBInstance

Dbsnapshot Identifier
​Terraform​
Source Dbinstance Identifier
​Terraform​
Source Region
​Terraform​
Preferred Backup Window
​Terraform​

Hardening

Design Guidance:

AWS::RDS::DBInstance

Allocated Storage
​Terraform​
Engine Version
​Terraform​
Iops
​Terraform​

AWS::RDS::DBParameterGroup

Description
​Terraform​
Family
​Terraform​
Parameters
​Terraform​

AWS::RDS::OptionGroup

Major Engine Version
​Terraform​
Option Configurations-Option Name
​Terraform​
Option Settings-Name
​Terraform​
Option Settings-Value
​Terraform​
Option Configurations-Option Version
​Terraform​

Configuration Change Control

Design Guidance:

AWS::RDS::DBInstance

Allow Major Version Upgrade
​Terraform​
Auto Minor Version Upgrade
​Terraform​
Preferred Maintenance Window
​Terraform​

Transparent Data Encryption

Design Guidance:

AWS::RDS::DBInstance

Storage Encrypted
​Terraform​

TLS

Design Guidance:

AWS::RDS::DBProxy

Require TLS
​Terraform​

Data Minimization

Design Guidance:

AWS::RDS::DBInstance

Delete Automated Backups
​Terraform​

Connection Limiting

Design Guidance:

AWS::RDS::DBProxyTargetGroup

Connection Pool Configuration Info-Max Connections Percent
​Terraform​
Connection Pool Configuration Info-Max Idle Connections Percent
​Terraform​
Connection Pool Configuration Info-Connection Borrow Timeout
​Terraform​
Connection Pool Configuration Info-Session Pinning Filters
​Terraform​
Connection Pool Configuration Info-Init Query
​Terraform​

Fault-Tolerance

AWS::RDS::DBInstance

Promotion Tier
​Terraform​

Identification and Authentication

AWS::RDS::DBInstance

Domain
​Terraform​
Enable Iamdatabase Authentication
​Terraform​
Master User Password
​Terraform​
Master Username
​Terraform​

AWS::RDS::DBProxy

Auth-Auth Scheme
​Terraform​
Auth-Iamauth
​Terraform​
Auth-Description
​Terraform​
Auth-Secret Arn
​Terraform​
Auth-User Name
​Terraform​

Deny-all Communications and Only Allow-by-Exception

Design Guidance:

AWS::RDS::DBInstance

Port
​Terraform​

AWS::RDS::OptionGroup

Option Configurations-Port
​Terraform​

Subnet Isolation

Design Guidance:

AWS::RDS::DBInstance

Dbsubnet Group Name
​Terraform​

AWS::RDS::DBProxy

VPC Subnet Ids
​Terraform​

AWS::RDS::DBSecurityGroup

EC2VPC Id
​Terraform​

AWS::RDS::DBSubnetGroup

Dbsubnet Group Description
​Terraform​
Dbsubnet Group Name
​Terraform​
Subnet Ids
​Terraform​

Managed Inspection Points

Design Guidance:

AWS::RDS::DBProxy

Dbproxy Name
​Terraform​

AWS::RDS::DBProxyTargetGroup

Dbproxy Name
​Terraform​
Target Group Name
​Terraform​
Dbinstance Identifiers
​Terraform​
Dbcluster Identifiers
​Terraform​

Firewalls

Design Guidance:

AWS::RDS::DBInstance

Dbsecurity Groups
​Terraform​
VPCsecurity Groups
​Terraform​

AWS::RDS::DBProxy

VPC Security Group Ids
​Terraform​

AWS::RDS::DBSecurityGroup

Dbsecurity Group Ingress-Cidrip
​Terraform​
Dbsecurity Group Ingress-EC2security Group Id
​Terraform​
Dbsecurity Group Ingress-EC2security Group Name
​Terraform​
Dbsecurity Group Ingress-EC2security Group Owner Id
​Terraform​

AWS::RDS::DBSecurityGroupIngress

Cidrip
Dbsecurity Group Name
EC2security Group Id
EC2security Group Name
EC2security Group Owner Id

AWS::RDS::OptionGroup

Option Configurations-VPC Security Group Memberships
​Terraform​

Network Access Points Enforcing Network Access

AWS::RDS::DBInstance

Publicly Accessible
​Terraform​

Use Trusted Attributes for Security Decisions

Design Guidance:

AWS::RDS::OptionGroup

Option Configurations-Dbsecurity Group Memberships
​Terraform​

Utilize Role-based Access Control

Design Guidance:

AWS::RDS::DBInstance

Associated Roles-Feature Name
​Terraform​
Associated Roles-Role Arn
​Terraform​
Domain Iamrole Name
​Terraform​

AWS::RDS::DBProxy

Role Arn
​Terraform​

Protect Cryptographic Keys

Design Guidance:

AWS::RDS::DBInstance

Kms Key Id
​Terraform​
Performance Insights Kmskey Id
​Terraform​

Issue Keys from Trusted Authorities

Design Guidance:

AWS::RDS::DBInstance

Cacertificate Identifier
​Terraform​
License Model
​Terraform​
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Last modified 1yr ago