{"source":"semconv","version":"1.44.0","attribute":{"id":"tls.cipher","type":"string","stability":"development","brief":"String indicating the [cipher](https://datatracker.ietf.org/doc/html/rfc5246#appendix-A.5) used during the current connection.","note":"The values allowed for `tls.cipher` MUST be one of the `Descriptions` of the [registered TLS Cipher Suits](https://www.iana.org/assignments/tls-parameters/tls-parameters.xhtml#table-tls-parameters-4).","examples":["TLS_RSA_WITH_3DES_EDE_CBC_SHA","TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256"],"namespace":"tls","definedIn":"model/tls/registry.yaml","usedBy":[]},"history":[{"version":"1.30.0","publishedAt":"2025-01-24T19:11:42Z","kind":"first-seen","detail":"Already present at v1.30.0, the oldest release tracked here (experimental)."},{"version":"1.31.0","publishedAt":"2025-03-11T00:53:13Z","kind":"stability-changed","detail":"Stability label respelled from experimental to development.","severity":"informational"}],"replaces":[]}