Appendix

Etherpeek IKE Decode

IPSEC.TXT

DCod Src ISAKMP;

  • DWRD 0 1 90 c2 Destination Port:;
  • CST# ffffffff 1 0 14 UDP/TCP Port Names;
  • TNXT 0 0 0 0 ISAKMP UDP;

DCod ISAKMP UDP;

  • DWRD 0 f 90 c2 Length:;
  • HWRD 0 0 90 c2 Checksum:;
  • CKSM 3 0 24 14 Checksum invalid. Should be:;
  • LABL 0 0 0 b1 ISAKMP Header;
  • HEX# 8 0 90 c2 Initiator cookie:;
  • HEX# 8 0 90 c2 Responder cookie:;
  • * store the next payload in ‘d’
  • DBYT 0 d 90 c2 Next Payload:;
  • CST# ffffffff d 0 14 ISAKMP Payloads;
  • HBYT 0 0 90 c2 Version:;
  • DBYT 0 c 90 c2 Exchange Type:;
  • CST# ffffffff c 0 14 ISAKMP Exch Type;
  • BBIT 5 0 90 c2 Other Flags:;
  • BBIT 1 0 90 c2 Authentication Only Flag:;
  • BBIT 1 0 90 c2 Commit Flag:;
  • BBIT 1 2 90 c2 Encryption Flag:;
  • DLNG 0 0 90 c2 Message ID:;
  • * Length of total message ...

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