AS2 features and capabilities - Amazon Transfer Family
Services or capabilities described in Amazon Web Services documentation might vary by Region. To see the differences applicable to the China Regions, see Getting Started with Amazon Web Services in China (PDF).

AS2 features and capabilities

The following tables list the features and capabilities available for Transfer Family resources that use AS2.

AS2 features

Transfer Family offers the following features for AS2.

Feature Supported by Amazon Transfer Family
Drummond certification Yes
Amazon CloudFormation support Yes
Amazon CloudWatch metrics Yes
SHA-2 cryptographic algorithms Yes
Support for Amazon S3 Yes
Support for Amazon EFS No
Scheduled Messages Yes 1
Amazon Transfer Family Managed Workflows No
Certificate Exchange Messaging (CEM) No
Mutual TLS (mTLS) No
Support for self-signed certificates Yes

1. Outbound Scheduled Messages available by scheduling Amazon Lambda functions using Amazon EventBridge

AS2 send and receive capabilities

The following table provides a list of Amazon Transfer Family AS2 send and receive capabilities.

Capability Inbound: Receiving with server Outbound: Sending with connector
TLS Encrypted Transport (HTTPS)

Yes 1

Yes
Non-TLS Transport (HTTP) Yes

Yes 2

Synchronous MDN Yes Yes
Message Compression Yes Yes
Asynchronous MDN Yes No
Static IP Address Yes Yes
Bring Your Own IP Address Yes No
Multiple File Attachments No No
Basic Authentication No Yes
AS2 Restart Not applicable No
Custom Subject per Message Not applicable No

1. Inbound TLS Encrypted Transport available with Network Load Balancer (NLB)

2. Outbound non-TLS Transport available only when encryption is enabled