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O 1. 172.25.105.43 » 172.25.105.40 sip Request: OPTIONS sip:100@172.25.105.40
O 2. 172.25.105.40 » 172.25.105.43 sip Status: 200 OK
O 3. 172.25.105.3 » 172.25.105.40 sip Request: REGISTER sip:172.25.105.40
O 4. 172.25.105.40 » 172.25.105.3 sip Status: 401 Unauthorized (0 bindings)
O 5. 172.25.105.3 » 172.25.105.40 sip Request: REGISTER sip:172.25.105.40

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  • Reorder packets
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  • Convert any packet into a DoS generator