BECKHOFF IPC-Security - Manual (Page 37)

▪ Integrated Windows Authentication
▪ Authentication via a Security Token, for example Windows Azure ACS
▪ X.509 certificates
A.3.2.2. Confidentiality
WCF supports two different encryption mechanisms: Transport Security and Message Security. Transport
security applies security on a point-to-point basis, which means that, for example in an SOA architecture,
security can only be guaranteed until the first hop. Instead, Message Security applies security on a message
level, which means that the actual payload of the message is encrypted. This automatically implies security
on an end-to-end basis, also if the message is being routed through several intermediates.
A.3.3. OPC-UA
OPC Unified Architecture (OPC-UA) is the new technology generation of the OPC Foundation for the secure,
reliable and manufacturer-neutral transport of raw data and pre-processed information from the manufac-
turing level into the production planning or ERP system. With OPC-UA, all desired information is available
to every authorized application and every authorized person at any time and in any place.
A.3.3.1. Authentication
Upon connection establishment, the user identifies himself via:
▪ X.509 certificates
▪ Username / password
▪ or Kerberos
IPC Security 37