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Cisco Bug: CSCuq92668 - ACE SIP inspection does not update Digest Authentication Response

Last Modified

Sep 11, 2019

Products (1)

  • Cisco ACE Application Control Engine Module

Known Affected Releases


Description (partial)

With SIP inspection, the clients can not register to the server. The reason is that ACE changes the "Request-URI Host Part:" header in the SIP payload from VIP address to the rserver address. But it does not change the "Digest Authentication Response:" header which has the hash of a bunch of stuff including the VIP.

ACE doing SIP inspection
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Bug Details Include

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