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 AWS Transfer Family |
|---|---|
|
Drummond certification |
Yes |
| AWS 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 |
| AWS 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 AWS Lambda functions using Amazon EventBridge
AS2 send and receive capabilities
The following table provides a list of AWS 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 |
| AS2 Reliability | No | No |
| Custom Subject per Message | Not applicable | No |
1. Inbound TLS Encrypted Transport available with Network Load Balancer (NLB) or Application Load Balancer (ALB)
2. Outbound non-TLS Transport available only when encryption is enabled
