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Cisco Bug: CSCuo11118 - "Invalid authentication nonce_used" caused by Synthetic Monitor

Last Modified

Apr 05, 2014

Products (1)

  • Cisco WebEx Social

Known Affected Releases

3.3(1) 3.3(1.10100) 3.3(1.10200) 3.4(2)

Description (partial)

It was discovered that there is specific flow when these errors occur
1. Send successful request with nonce 123 
2. Send successful request with nonce  XXXX (not important)
2 minutes after #1 
3 Send successful request with nonce 456 and bodyhash abc, validate this request successfully(nonce is not found) but no response is returned and then validate mixed request nonce 123 and body hash abc
 and logically  nonce is used and return error response.  Bellow are logs that demonstrates the last step.

When system is under heavy load, Synthetic monitor service fails to publish posts and the retry mechanism is reusing its authentication tokens.
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