Display Filter Reference: Constrained Application Protocol
Protocol field name: coap
Versions: 1.6.0 to 3.4.4
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| Field name | Description | Type | Versions |
|---|---|---|---|
| coap.block | Block | Frame number | 3.4.0 to 3.4.4 |
| coap.block.count | Block count | Unsigned integer, 4 bytes | 3.4.0 to 3.4.4 |
| coap.block.error | Block defragmentation error | Frame number | 3.4.0 to 3.4.4 |
| coap.block.multiple_tails | Block has multiple tails | Boolean | 3.4.0 to 3.4.4 |
| coap.block.overlap | Block overlap | Boolean | 3.4.0 to 3.4.4 |
| coap.block.overlap.conflicts | Block overlapping with conflicting data | Boolean | 3.4.0 to 3.4.4 |
| coap.block.reassembled.in | Reassembled in | Frame number | 3.4.0 to 3.4.4 |
| coap.block.reassembled.length | Reassembled block length | Unsigned integer, 4 bytes | 3.4.0 to 3.4.4 |
| coap.block.too_long | Block too long | Boolean | 3.4.0 to 3.4.4 |
| coap.block_length | Block Length | Unsigned integer, 4 bytes | 3.4.0 to 3.4.4 |
| coap.block_payload | Block Payload | Sequence of bytes | 3.4.0 to 3.4.4 |
| coap.blocks | Blocks | Label | 3.4.0 to 3.4.4 |
| coap.code | Code | Unsigned integer, 1 byte | 1.6.0 to 3.4.4 |
| coap.invalid_option_number | Invalid Option Number | Label | 1.12.0 to 3.4.4 |
| coap.invalid_option_range | Invalid Option Range | Label | 1.12.0 to 3.4.4 |
| coap.length | Length | Unsigned integer, 4 bytes | 3.2.0 to 3.4.4 |
| coap.mid | Message ID | Unsigned integer, 2 bytes | 1.12.0 to 3.4.4 |
| coap.ocount | Opt Count | Unsigned integer, 1 byte | 1.10.0 to 1.10.14 |
| coap.opt.accept | Accept | Character string | 1.8.0 to 3.4.4 |
| coap.opt.block_mflag | More Flag | Unsigned integer, 1 byte | 1.6.0 to 3.4.4 |
| coap.opt.block_number | Block Number | Unsigned integer, 4 bytes | 1.6.0 to 3.4.4 |
| coap.opt.block_size | Encoded Block Size | Unsigned integer, 1 byte | 1.6.0 to 3.4.4 |
| coap.opt.ctype | Content-type | Character string | 1.6.0 to 3.4.4 |
| coap.opt.delta | Opt Delta | Unsigned integer, 1 byte | 1.6.0 to 3.4.4 |
| coap.opt.delta_ext | Opt Delta extended | Unsigned integer, 2 bytes | 1.12.0 to 3.4.4 |
| coap.opt.desc | Opt Desc | Character string | 1.10.0 to 3.4.4 |
| coap.opt.end_marker | End of options marker | Unsigned integer, 1 byte | 1.12.0 to 3.4.4 |
| coap.opt.etag | Etag | Sequence of bytes | 1.6.0 to 3.4.4 |
| coap.opt.hop_limit | Hop Limit | Unsigned integer, 1 byte | 3.4.0 to 3.4.4 |
| coap.opt.if_match | If-Match | Sequence of bytes | 1.8.0 to 3.4.4 |
| coap.opt.if_none_match | If-None-Match | Sequence of bytes | 1.8.0 to 1.8.15 |
| coap.opt.jump | Opt Jump | Unsigned integer, 1 byte | 1.10.0 to 1.10.14 |
| coap.opt.length | Opt Length | Unsigned integer, 1 byte | 1.6.0 to 3.4.4 |
| coap.opt.length_ext | Opt Length extended | Unsigned integer, 2 bytes | 1.12.0 to 3.4.4 |
| coap.opt.location | Location | Character string | 1.6.0 to 1.6.16 |
| coap.opt.location_path | Location-Path | Character string | 1.8.0 to 3.4.4 |
| coap.opt.location_query | Location-Query | Character string | 1.8.0 to 3.4.4 |
| coap.opt.max_age | Max-age | Unsigned integer, 4 bytes | 1.6.0 to 3.4.4 |
| coap.opt.name | Opt Name | Character string | 1.10.0 to 3.4.4 |
| coap.opt.object_security_expand | Expanded Flag Byte | Boolean | 2.6.0 to 3.2.12 |
| coap.opt.object_security_kid | Key ID | Sequence of bytes | 2.6.0 to 3.4.4 |
| coap.opt.object_security_kid_context | Key ID Context | Sequence of bytes | 2.6.0 to 3.4.4 |
| coap.opt.object_security_kid_context_len | Key ID Context Length | Unsigned integer, 1 byte | 2.6.0 to 3.4.4 |
| coap.opt.object_security_kid_context_present | Key ID Context Present | Boolean | 2.6.0 to 3.4.4 |
| coap.opt.object_security_kid_present | Key ID Present | Boolean | 3.0.0 to 3.4.4 |
| coap.opt.object_security_non_compressed | Non-compressed COSE message | Boolean | 2.6.0 to 3.2.12 |
| coap.opt.object_security_piv | Partial IV | Sequence of bytes | 2.6.0 to 3.4.4 |
| coap.opt.object_security_piv_len | Partial IV Length | Unsigned integer, 1 byte | 2.6.0 to 3.4.4 |
| coap.opt.object_security_reserved | Reserved | Boolean | 3.4.0 to 3.4.4 |
| coap.opt.object_security_signature | Signature Present | Boolean | 2.6.0 to 3.2.12 |
| coap.opt.observe | Observe | Unsigned integer, 4 bytes | 2.0.0 to 3.4.4 |
| coap.opt.payload_desc | Payload Desc | Character string | 1.10.0 to 2.2.17 |
| coap.opt.proxy_scheme | Proxy-Scheme | Character string | 2.0.0 to 3.4.4 |
| coap.opt.proxy_uri | Proxy-Uri | Character string | 1.8.0 to 3.4.4 |
| coap.opt.size1 | Size1 | Unsigned integer, 4 bytes | 2.0.0 to 3.4.4 |
| coap.opt.subscr_lifetime | Lifetime | Unsigned integer, 4 bytes | 1.6.0 to 1.12.13 |
| coap.opt.token | Token | Character string | 1.6.0 to 1.10.14 |
| coap.opt.unknown | Unknown | Sequence of bytes | 1.10.0 to 3.4.4 |
| coap.opt.uri_auth | Uri-Authority | Character string | 1.6.0 to 1.6.16 |
| coap.opt.uri_host | Uri-Host | Character string | 1.8.0 to 3.4.4 |
| coap.opt.uri_path | Uri-Path | Character string | 1.6.0 to 3.4.4 |
| coap.opt.uri_path_recon | Uri-Path | Character string | 2.4.0 to 3.4.4 |
| coap.opt.uri_port | Uri-Port | Unsigned integer, 2 bytes | 1.8.0 to 3.4.4 |
| coap.opt.uri_query | Uri-Query | Character string | 1.6.0 to 3.4.4 |
| coap.optcount | Option Count | Unsigned integer, 1 byte | 1.6.0 to 1.8.15 |
| coap.option_length_bad | Option length bad | Label | 1.12.0 to 3.4.4 |
| coap.option_object_security_bad | Invalid Object-Security Option Format | Label | 2.6.0 to 3.2.2 |
| coap.option_oscore_bad | Invalid OSCORE Option Format | Label | 3.2.3 to 3.4.4 |
| coap.oscore_kid | OSCORE Key ID | Sequence of bytes | 2.6.0 to 3.4.4 |
| coap.oscore_kid_context | OSCORE Key ID Context | Sequence of bytes | 2.6.0 to 3.4.4 |
| coap.oscore_piv | OSCORE Partial IV | Sequence of bytes | 2.6.0 to 3.4.4 |
| coap.payload | Payload | Character string | 1.12.0 to 3.4.4 |
| coap.payload_desc | Payload Desc | Character string | 2.4.0 to 3.4.4 |
| coap.payload_length | Payload Length | Unsigned integer, 4 bytes | 2.4.0 to 3.4.4 |
| coap.request_first_in | Retransmission of request in | Frame number | 3.2.0 to 3.4.4 |
| coap.response_first_in | Retransmission of response in | Frame number | 3.2.0 to 3.4.4 |
| coap.response_in | Response In | Frame number | 2.2.0 to 3.4.4 |
| coap.response_time | Response Time | Time offset | 2.2.0 to 3.4.4 |
| coap.response_to | Request In | Frame number | 2.2.0 to 3.4.4 |
| coap.retransmitted | Retransmitted | Label | 3.2.0 to 3.4.4 |
| coap.tid | Transaction ID | Unsigned integer, 2 bytes | 1.6.0 to 1.10.14 |
| coap.token | Token | Sequence of bytes | 1.12.0 to 3.4.4 |
| coap.token_len | Token Length | Unsigned integer, 1 byte | 1.12.0 to 3.4.4 |
| coap.type | Type | Unsigned integer, 1 byte | 1.6.0 to 3.4.4 |
| coap.unknown_option_number | Unknown Option Number | Label | 3.2.5 to 3.4.4 |
| coap.version | Version | Unsigned integer, 1 byte | 1.6.0 to 3.4.4 |
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