2007-12-07 2023-03-15 IETF Review 0 Reserved 1 I1 - the HIP Initiator Packet 2 R1 - the HIP Responder Packet 3 I2 - the Second HIP Initiator Packet 4 R2 - the Second HIP Responder Packet 5-15 Unassigned 16 UPDATE - the HIP Update Packet 17 NOTIFY - the HIP Notify Packet 18 CLOSE - the HIP Association Closing Packet 19 CLOSE_ACK - the HIP Closing Acknowledgment Packet 20 HIP Distributed Hash Table Resource Record (HDRR) 21-31 Unassigned 32 HIP_DATA 33-127 Unassigned IETF Review 1 2 0-1023 IETF Review 1024-32767 Specification Required 32768-49151 Reserved for Private Use 49152-61439 Specification Required 61440-65535 IETF Review Robert Moskowitz, Jeff Ahrenholz 0-64 Unassigned 65 ESP_INFO 12 66-127 Unassigned 128 R1_Counter (v1 only) 12 129 R1_COUNTER 12 130-192 Unassigned 193 LOCATOR_SET variable 194-256 Unassigned 257 PUZZLE 12 258-320 Unassigned 321 SOLUTION 20 322-384 Unassigned 385 SEQ 4 386-448 Unassigned 449 ACK variable 450-510 Unassigned 511 DH_GROUP_LIST variable 512 Unassigned 513 DIFFIE_HELLMAN variable 514-576 Unassigned 577 HIP_TRANSFORM (v1 only) variable 578 Unassigned 579 HIP_CIPHER variable 580-607 Unassigned 608 NAT_TRAVERSAL_MODE variable 609 Unassigned 610 TRANSACTION_PACING 4 611-640 Unassigned 641 ENCRYPTED variable 642-704 Unassigned 705 HOST_ID variable 706-714 Unassigned 715 HIT_SUITE_LIST variable 716-767 Unassigned 768 CERT variable 769-831 Unassigned 832 NOTIFICATION variable 833-896 Unassigned 897 ECHO_REQUEST_SIGNED variable 898-929 Unassigned 930 REG_INFO variable 931 Unassigned 932 REG_REQUEST variable 933 Unassigned 934 REG_RESPONSE variable 935 Unassigned 936 REG_FAILED variable 937-949 Unassigned 950 REG_FROM 20 951-960 Unassigned 961 ECHO_RESPONSE_SIGNED variable 962-2048 Unassigned 2049 TRANSPORT_FORMAT_LIST variable 2050-4094 Unassigned 4095 ESP_TRANSFORM variable 4096-4480 Unassigned 4481 SEQ_DATA 4 4482-4544 Unassigned 4545 ACK_DATA variable 4546-4576 Unassigned 4577 PAYLOAD_MIC variable 4578-4579 Unassigned 4580 TRANSACTION_ID variable 4581-4591 Unassigned 4592 OVERLAY_ID variable 4593-4600 Unassigned 4601 ROUTE_DST variable 4602-4649 Unassigned 4650 RELAYED_ADDRESS 20 4651-4659 Unassigned 4660 MAPPED_ADDRESS 20 4661-4679 Unassigned 4680 PEER_PERMISSION 48 4681-4699 Unassigned 4700 CANDIDATE_PRIORITY 4 4701-4709 Unassigned 4710 NOMINATE 4 4711-7679 Unassigned 7680 HIP_TRANSPORT_MODE variable 7681-32767 Unassigned 32768-49151 Reserved for Private Use 49152-61504 Unassigned 61505 HIP_MAC variable 61506-61568 Unassigned 61569 HIP_MAC_2 variable 61570-61632 Unassigned 61633 HIP_SIGNATURE_2 variable 61634-61696 Unassigned 61697 HIP_SIGNATURE variable 61698-63660 Unassigned 63661 ECHO_REQUEST_UNSIGNED variable 63662-63424 Unassigned 63425 ECHO_RESPONSE_UNSIGNED variable 63426-63997 Unassigned 63998 RELAY_FROM 20 63999-64001 Unassigned 64002 RELAY_TO 20 64003-64010 Unassigned 64011 OVERLAY_TTL 4 64012-64016 Unassigned 64017 ROUTE_VIA variable 64018-65497 Unassigned 65498 FROM 16 65499 Unassigned 65500 RVS_HMAC variable 65501 Unassigned 65502 VIA_RVS variable 65503-65519 Unassigned 65520 RELAY_HMAC variable 65521-65535 Unassigned IETF Review 0 Reserved 1 384-bit group (DEPRECATED) 2 OAKLEY well known group 1 (DEPRECATED) 3 1536-bit MODP group 4 3072-bit MODP group 5 6144-bit MODP group (DEPRECATED) 6 8192-bit MODP group (DEPRECATED) 7 NIST P-256 8 NIST P-384 9 NIST P-521 10 SECP160R1 11 2048-bit MODP group 12-255 Unassigned Registry closed per 0 Reserved 1 AES-CBC with HMAC-SHA1 2 3DES-CBC with HMAC-SHA1 3 3DES-CBC with HMAC-MD5 4 BLOWFISH-CBC with HMAC-SHA1 5 NULL-ENCRYPT with HMAC-SHA1 6 NULL-ENCRYPT with HMAC-MD5 7-65535 Unassigned IETF Review 0 RESERVED 1 RSA,DSA/SHA-256 2 ECDSA/SHA-384 3 ECDSA_LOW/SHA-1 4 Unassigned 5 EdDSA/cSHAKE128 6-15 Unassigned IETF Review 0 none included 1 FQDN 2 NAI 3-15 Unassigned 1-50 IETF Review 51-8191 Specification Required error types 8192-16383 Reserved for Private Use error types 16384-40959 Specification Required status types 40960-65535 Reserved for Private Use status types Robert Moskowitz, Jeff Ahrenholz Notify Message Type values 1-10 are used for informing about errors in packet structures, values 11-20 for informing about problems in parameters containing cryptographic related material, values 21-30 for informing about problems in authentication or packet integrity verification. Parameter numbers above 30 can be used for informing about other types of errors or events. 0 Reserved 1 UNSUPPORTED_CRITICAL_PARAMETER_TYPE 2-6 Unassigned 7 INVALID_SYNTAX 8-13 Unassigned 14 NO_DH_PROPOSAL_CHOSEN 15 INVALID_DH_CHOSEN 16 NO_HIP_PROPOSAL_CHOSEN 17 INVALID_HIP_CIPHER_CHOSEN 18 NO_ESP_PROPOSAL_CHOSEN 19 INVALID_ESP_TRANSFORM_CHOSEN 20 UNSUPPORTED_HIT_SUITE 21-23 Unassigned 24 AUTHENTICATION_FAILED 25 Unassigned 26 CHECKSUM_FAILED 27 Unassigned 28 HIP_MAC_FAILED 29-31 Unassigned 32 ENCRYPTION_FAILED 33-39 Unassigned 40 INVALID_HIT 41 Unassigned 42 BLOCKED_BY_POLICY 43 Unassigned 44 RESPONDER_BUSY_PLEASE_RETRY 45 Unassigned 46 LOCATOR_TYPE_UNSUPPORTED 47 Unassigned 48 CREDENTIALS_REQUIRED 49 Unassigned 50 INVALID_CERTIFICATE 51 REG_REQUIRED 52-59 Unassigned 60 NO_VALID_NAT_TRAVERSAL_MODE_PARAMETER 61 CONNECTIVITY_CHECKS_FAILED 62 MESSAGE_NOT_RELAYED 63 SERVER_REFLEXIVE_CANDIDATE_ALLOCATION_FAILED 64 RVS_HMAC_PROHIBITED_WITH_RELAY 65-69 Unassigned 70 OVERLAY_TTL_EXCEEDED 71-89 Unassigned 90 UNKNOWN_NEXT_HOP 91-99 Unassigned 100 NO_VALID_HIP_TRANSPORT_MODE 101-8191 Unassigned 8192-16383 Reserved for Private Use 16384 I2_ACKNOWLEDGEMENT 16385 NAT_KEEPALIVE 16386-40959 Unassigned 40960-65535 Reserved for Private Use 0-200 IETF Review 201-255 Reserved for Private Use 0 Unassigned 1 RENDEZVOUS 2 RELAY_UDP_HIP 3 RELAY_UDP_ESP 4 CANDIDATE_DISCOVERY 5-200 Unassigned 201-255 Reserved for Private Use 0-200 IETF Review 201-255 Reserved for Private Use 0 Registration requires additional credentials 1 Registration type unavailable 2 Insufficient resources 3 Invalid certificate 4 Bad certificate 5 Unsupported certificate 6 Certificate expired 7 Certificate other 8 Unknown CA 9 Simultaneous Rendezvous and Control Relay Service usage prohibited 10-200 Unassigned 201-255 Reserved for Private Use IETF Review 0 Reserved 1 UDP-ENCAPSULATION 2 ICE-STUN-UDP 3 ICE-HIP-UDP 4-65535 Unassigned IETF Review or IESG Approval 0 SYMMETRIC 1 MUST_FOLLOW 2-15 Unassigned IETF Review 0 Reserved 1 X.509 v3 2 Obsoleted 3 Hash and URL of X.509 v3 4 Obsoleted 5 LDAP URL of X.509 v3 6 Obsoleted 7 Distinguished Name of X.509 v3 8 Obsoleted 9-255 Unassigned IETF Review or IESG Approval 0 RESERVED 1 DEFAULT 2 ESP 3 ESP-TCP IETF Review 0 RESERVED 1 AES-128-CBC with HMAC-SHA1 2 DEPRECATED 3 DEPRECATED 4 DEPRECATED 5 DEPRECATED 6 DEPRECATED 7 NULL with HMAC-SHA-256 8 AES-128-CBC with HMAC-SHA-256 9 AES-256-CBC with HMAC-SHA-256 10 AES-CCM-8 11 AES-CCM-16 12 AES-GCM with an 8 octet ICV 13 AES-GCM with a 16 octet ICV 14 AES-CMAC-96 15 AES-GMAC 16-65535 Unassigned IETF Review 0 RESERVED 1 NULL-ENCRYPT 2 AES-128-CBC 3 RESERVED 4 AES-256-CBC 5-65535 Unassigned IETF Review 0 RESERVED 1 NULL-ENCRYPT 2 Unassigned 3 DSA 4 Unassigned 5 RSA 6 Unassigned 7 ECDSA 8 Unassigned 9 ECDSA_LOW 10-12 Unassigned 13 EdDSA 14-65535 Unassigned IETF Review 0 RESERVED 1 NIST P-256 2 NIST P-384 3-65535 Unassigned IETF Review 0 RESERVED 1 SECP160R1 2-65535 Unassigned IETF Review EdDSA RESERVED 0 EdDSA EdDSA25519 1 EdDSA EdDSA25519ph 2 EdDSA EdDSA448 3 EdDSA EdDSA448ph 4 Unassigned 5-65535