AS2 stands for Applicability Statement 2 and is a standard protocol for the secure exchange of business documents over the Internet. It is widely used by companies to exchange electronic data such as purchase orders, invoices, and shipping notifications securely and reliably between different business partners. AS2 uses a combination of encryption and digital signatures to ensure the confidentiality, integrity and authenticity of the transmitted data.
The Module AS2 extends !MC5 with functions for sending and receiving data via AS2, including the transmission and analysis of the optional acknowledgement of receipt (MDN). It implements AS2 according to the Network Working Group recommendation RFC 4130 (MIME-based secure peer-to-peer business data exchange using HTTP, Applicability Statement 2). The module enables AS2 client connections over both unencrypted HTTP and encrypted HTTPS; on the server side, only HTTPS connections are allowed. In addition, the Module AS2 supports optional encryption and signing of transmitted data according to the latest standards, as well as signing of MDNs.
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Module !MC5 BASE
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