ICMP Photuris messages
Photuris is a session key management protocol defined in RFC 2522. Photuris is used to generate session keys and to establish IPSec Security Association. Photuris uses ICMP to report negotiation failures.
ICMP Photuris message Type number is 40. Code field values of ICMP Photuris message message are explained in below table. Please click next link to know more about Type and Code fields in ICMP header.
| ICMP Code | Meaning |
|---|---|
| 0 | Bad SPI |
| 1 | Authentication failed |
| 2 | Decompression failed |
| 3 | Decryption failed |
| 4 | Need authentication |
| 5 | Need authorization |