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As middle-tier software, the AS Java communicates with a number of external data sources. The external data sources include AS ABAP systems, databases, and LDAP-compliant directory servers.

For an overview of the communication flow, see the figure below.

Communication Flow for Persistency Stores

The table below presents an overview of the security-relevant information for each of the communication paths.

Communication Path Protocols Used Type of Data Transferred Available Security Protection

AS Java to LDAP directory server

LDAP
  • Authentication data
  • Application data for directory management
  • Directory entries

Secure Socket Layer (SSL)

AS Java to RDBMS user store

JDBC 1.x

JDBC 2.x
  • Authentication data
  • Application data
  • User management data

Driver-provided encryption

 

AS Java to AS ABAP

RFC
  • Authentication data
  • Application data

Secure Network Communications (SNC)

 

See also:

Security Aspects of the Database Connection in the Administration Manual