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Subject: issue 291 - final resolution
- From: Diane Jordan <drj@us.ibm.com>
- To: wsbpel@lists.oasis-open.org
- Date: Wed, 26 Jul 2006 13:32:57 -0400
This is the wording that was approved on the call
today for issue 291 including a couple amendments:
Change the wording in the security section to read:
Although WS-BPEL is inherently binding neutral it is strongly recommended
that business process implementations use WS-Security when using a binding
where messages may be modified or forged. WS-Security provides mechanisms
to ensure messages have not been modified or forged while in transit or
while residing at destinations. Similarly, there are mechanisms
to prevent invalid or expired messages from being re-used or message headers
not specifically associated with the specific message being referenced.
Consequently, when using WS-Security, signatures should include the
semantically significant headers and the message body (as well as any other
relevant data) so that they cannot be independently separated and re-used.
Messaging protocols used to communicate among business processes are subject
to various forms of replay attacks. In addition to the mechanisms listed
above, messages should include a message timestamp (as described in WS-Security)
within the signature. Recipients can use the timestamp information to cache
the most recent messages for a business process and detect duplicate transmissions
and prevent potential replay attacks.
It should also be noted that business process implementations are subject
to various forms of denial-of-service attacks. Implementers of business
process execution systems compliant with this specification should take
this into account.
And change text in the notation section to read: The upper case keywords
"MUST", "MUST NOT", "REQUIRED", "SHALL",
"SHALL NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED",
"MAY", and "OPTIONAL" in this document are to be interpreted
as described in [RFC 2119].
Regards, Diane
IBM Emerging Internet Software Standards
drj@us.ibm.com
(919)254-7221 or 8-444-7221, Mobile: 919-624-5123, Fax 845-491-5709
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