The exchange between a UE and P-CSCF to put SIP traffic into IPsec encapsulated payloads.
The other day I got an SMS from my bank, one of the big 4 Australian Banks. BANKNAME Alert: Block placed on card ending in XXXX, for suspicious transaction at ‘THING NICK PURCHASED ONLINE’ for $29.00 at 13:56. If genuine, reply ‘Yes’. If Fraud, reply ‘No’. SMS from bank They’d detected possible fraud on my […]
How the SIP Authentication mechanism works, and how we can reverse it to check the password we’re expecting is the encrypted value we’re seeing in captures.