Addressing the Forking Amplification Vulnerability - PowerPoint PPT Presentation

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Addressing the Forking Amplification Vulnerability draft-ietf-sip-fork-loop-fix-02 Robert Sparks Since -01 Demonstrated the attack with one resource and one attacker Reintroduced some of the motivational text in the security

Addressing the Forking Amplification Vulnerability draft-ietf-sip-fork-loop-fix-02 Robert Sparks
Since -01 • Demonstrated the attack with one resource and one attacker • Reintroduced some of the motivational text in the security consideration section (based on conversations with Cullen) • Updated the 3261 text on loop detection – Identified open issues • Added notes to implementers pointing to common interop problems at earlier SIPits
Open Issues In the computed hash, 1. Why include all the route values? 2. Why Call-ID, To-tag, From-tag? 3. Why Proxy-Require, Proxy- Authorization?

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