RE: SCTP: Heartbeat ack recieved without sending Heartbeat

Hi,
 
this question should go to the TSVWG list ([email protected]), as SCTP is
discussed there.
Do you think about a new kind of attack here?
 
greetings
 
HannsJuergen


________________________________

	From: ash kat [mailto:[email protected]] 
	Sent: Friday, June 16, 2006 11:10 AM
	To: [email protected]
	Subject: [Sigtran] SCTP: Heartbeat ack recieved without sending
Heartbeat
	
	
	Hi All
	 
	What should be the behavior of SCTP when an endpoint recieved a
Heartbeat-ack from peer when it has not sent any heartbeat to peer?
	 
	Is RFC 2960 say anything about this?
	 
	If Not then What is the proper solution:
	1. The Endpoint should drop the message [ ignore the Heartbeat
ack ]
	2. Process the Hearbeat ack as normal.
	3. Send an Abort to peer.
	4. Some other option.....
	 
	Regards,
	Ashwani Kathuria.

	
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