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O 1. 127.0.0.1 » 127.0.0.1 sip/sdp Request: INVITE sip:bob@example.com, with session description
O 2. 127.0.0.1 » 127.0.0.1 sip Status: 100 Trying
O 3. 127.0.0.1 » 127.0.0.1 sip Status: 180 Ringing
O 4. 127.0.0.1 » 127.0.0.1 sip Request: PRACK sip:bob@example.com
O 5. 127.0.0.1 » 127.0.0.1 sip Status: 200 OK

Here are some of things that registered users can do with this pcap:

  • Reorder packets
  • Fragment packets
  • Reassemble TCP streams
  • Rewrite TCP streams (over IPv4 and IPv6)
  • Extract embedded HTTP content
  • Convert any packet into a DoS generator