Display Filter Reference: Datagram Transport Layer Security

Protocol field name: dtls

Versions: 1.0.0 to 2.6.3

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Field name Description Type Versions
dtls.alert_message Alert Message Label 1.0.0 to 2.6.3
dtls.alert_message.desc Description Unsigned integer, 1 byte 1.0.0 to 2.6.3
dtls.alert_message.level Level Unsigned integer, 1 byte 1.0.0 to 2.6.3
dtls.app_data Encrypted Application Data Sequence of bytes 1.0.0 to 2.6.3
dtls.change_cipher_spec Change Cipher Spec Message Label 1.0.0 to 2.6.3
dtls.early_data.max_early_data_size Maximum Early Data Size Unsigned integer, 4 bytes 2.4.0 to 2.6.3
dtls.extension.draft_version_tls13 Draft version of TLS 1.3 Unsigned integer, 2 bytes 2.4.0 to 2.6.3
dtls.extension.oid_filters.oid Certificate Extension OID ASN.1 object identifier 2.4.0 to 2.6.3
dtls.extension.oid_filters.oid_length Certificate Extension OID Length Unsigned integer, 1 byte 2.4.0 to 2.6.3
dtls.extension.oid_filters.values_length Certificate Extension Values Length Unsigned integer, 2 bytes 2.4.0 to 2.6.3
dtls.extension.oid_filters_length OID Filters Length Unsigned integer, 2 bytes 2.4.0 to 2.6.3
dtls.extension.psk_ke_mode PSK Key Exchange Mode Unsigned integer, 1 byte 2.4.0 to 2.6.3
dtls.extension.psk_ke_modes_length PSK Key Exchange Modes Length Unsigned integer, 1 byte 2.4.0 to 2.6.3
dtls.fragment Message fragment Frame number 1.0.0 to 2.6.3
dtls.fragment.count Message fragment count Unsigned integer, 4 bytes 1.8.0 to 2.6.3
dtls.fragment.error Message defragmentation error Frame number 1.0.0 to 2.6.3
dtls.fragment.multiple_tails Message has multiple tail fragments Boolean 1.0.0 to 2.6.3
dtls.fragment.overlap Message fragment overlap Boolean 1.0.0 to 2.6.3
dtls.fragment.overlap.conflicts Message fragment overlapping with conflicting data Boolean 1.0.0 to 2.6.3
dtls.fragment.too_long_fragment Message fragment too long Boolean 1.0.0 to 2.6.3
dtls.fragments Message fragments Label 1.0.0 to 2.6.3
dtls.handshake Handshake Protocol Label 1.0.0 to 2.6.3
dtls.handshake.cert_type Certificate type Unsigned integer, 1 byte 1.0.0 to 2.6.3
dtls.handshake.cert_type.type Certificate Type Unsigned integer, 1 byte 1.12.0 to 2.6.3
dtls.handshake.cert_type.types Certificate Type List Label 1.12.0 to 2.6.3
dtls.handshake.cert_type.types_len Certificate Type List Length Unsigned integer, 1 byte 1.12.0 to 2.6.3
dtls.handshake.cert_types Certificate types Label 1.0.0 to 2.6.3
dtls.handshake.cert_types_count Certificate types count Unsigned integer, 1 byte 1.0.0 to 2.6.3
dtls.handshake.cert_url.padding Padding Label 1.12.0 to 2.6.3
dtls.handshake.cert_url.sha1 SHA1 Hash Sequence of bytes 1.12.0 to 2.6.3
dtls.handshake.cert_url.url URL Character string 2.2.0 to 2.6.3
dtls.handshake.cert_url.url_hash URL and Hash Label 1.12.0 to 2.6.3
dtls.handshake.cert_url.url_hash_len URL and Hash list Length Unsigned integer, 2 bytes 1.12.0 to 2.6.3
dtls.handshake.cert_url.url_len URL Length Unsigned integer, 2 bytes 1.12.0 to 2.6.3
dtls.handshake.cert_url_type Certificate Chain Type Unsigned integer, 1 byte 1.12.0 to 2.6.3
dtls.handshake.certificate Certificate Sequence of bytes 1.0.0 to 2.6.3
dtls.handshake.certificate_length Certificate Length Unsigned integer, 3 bytes 1.0.0 to 2.6.3
dtls.handshake.certificate_request_context Certificate Request Context Sequence of bytes 2.4.0 to 2.6.3
dtls.handshake.certificate_request_context_length Certificate Request Context Length Unsigned integer, 1 byte 2.4.0 to 2.6.3
dtls.handshake.certificates Certificates Label 1.0.0 to 2.6.3
dtls.handshake.certificates_length Certificates Length Unsigned integer, 3 bytes 1.0.0 to 2.6.3
dtls.handshake.cipher_suites_length Cipher Suites Length Unsigned integer, 2 bytes 1.0.0 to 2.6.3
dtls.handshake.cipher_suites_length.mult2 Expert Info Label 2.0.0 to 2.2.17
dtls.handshake.ciphersuite Cipher Suite Unsigned integer, 2 bytes 1.0.0 to 2.6.3
dtls.handshake.ciphersuites Cipher Suites Label 1.0.0 to 2.6.3
dtls.handshake.client_cert_vrfy.sig Signature Sequence of bytes 2.0.0 to 2.6.3
dtls.handshake.client_cert_vrfy.sig_len Signature length Unsigned integer, 2 bytes 2.0.0 to 2.6.3
dtls.handshake.client_point Pubkey Sequence of bytes 1.12.0 to 2.6.3
dtls.handshake.client_point_len Pubkey Length Unsigned integer, 1 byte 1.12.0 to 2.6.3
dtls.handshake.client_version Version Unsigned integer, 2 bytes 1.8.0 to 1.12.13
dtls.handshake.comp_method Compression Method Unsigned integer, 1 byte 1.0.0 to 2.6.3
dtls.handshake.comp_methods Compression Methods Label 1.0.0 to 2.6.3
dtls.handshake.comp_methods_length Compression Methods Length Unsigned integer, 1 byte 1.0.0 to 2.6.3
dtls.handshake.cookie Cookie Sequence of bytes 1.0.0 to 2.6.3
dtls.handshake.cookie_length Cookie Length Unsigned integer, 1 byte 1.0.0 to 2.6.3
dtls.handshake.dname Distinguished Name Label 1.0.0 to 2.6.3
dtls.handshake.dname_len Distinguished Name Length Unsigned integer, 2 bytes 1.0.0 to 2.6.3
dtls.handshake.dnames Distinguished Names Label 1.0.0 to 2.6.3
dtls.handshake.dnames_len Distinguished Names Length Unsigned integer, 2 bytes 1.0.0 to 2.6.3
dtls.handshake.epms Encrypted PreMaster Sequence of bytes 1.12.0 to 2.6.3
dtls.handshake.epms_len Encrypted PreMaster length Unsigned integer, 2 bytes 1.12.0 to 2.6.3
dtls.handshake.exponent Exponent Sequence of bytes 1.12.0 to 2.6.3
dtls.handshake.exponent_len Exponent Length Unsigned integer, 2 bytes 1.12.0 to 2.6.3
dtls.handshake.extension.data Data Sequence of bytes 1.0.0 to 2.6.3
dtls.handshake.extension.heartbeat.mode Mode Unsigned integer, 1 byte 1.8.0 to 2.6.3
dtls.handshake.extension.len Length Unsigned integer, 2 bytes 1.0.0 to 2.6.3
dtls.handshake.extension.type Type Unsigned integer, 2 bytes 1.0.0 to 2.6.3
dtls.handshake.extensions.cookie Cookie Sequence of bytes 2.4.0 to 2.6.3
dtls.handshake.extensions.cookie_len Cookie length Unsigned integer, 2 bytes 2.4.0 to 2.6.3
dtls.handshake.extensions.psk.binders PSK Binders Label 2.4.0 to 2.6.3
dtls.handshake.extensions.psk.binders_len PSK Binders length Unsigned integer, 2 bytes 2.4.0 to 2.6.3
dtls.handshake.extensions.psk.identities.length Identities Length Unsigned integer, 2 bytes 2.4.0 to 2.6.3
dtls.handshake.extensions.psk.identity.identity Identity Sequence of bytes 2.4.0 to 2.6.3
dtls.handshake.extensions.psk.identity.identity_length Identity Length Unsigned integer, 2 bytes 2.4.0 to 2.6.3
dtls.handshake.extensions.psk.identity.obfuscated_ticket_age Obfuscated Ticket Age Unsigned integer, 4 bytes 2.4.0 to 2.6.3
dtls.handshake.extensions.psk.identity.selected Selected Identity Unsigned integer, 2 bytes 2.4.0 to 2.6.3
dtls.handshake.extensions.supported_version Supported Version Unsigned integer, 2 bytes 2.4.3 to 2.6.3
dtls.handshake.extensions.supported_versions Supported Versions Unsigned integer, 2 bytes 2.4.0 to 2.4.2
dtls.handshake.extensions.supported_versions_len Supported Versions length Unsigned integer, 1 byte 2.4.0 to 2.6.3
dtls.handshake.extensions_alpn_len ALPN Extension Length Unsigned integer, 2 bytes 1.12.0 to 2.6.3
dtls.handshake.extensions_alpn_list ALPN Protocol Label 1.12.0 to 2.6.3
dtls.handshake.extensions_alpn_str ALPN Next Protocol Character string 1.12.0 to 2.6.3
dtls.handshake.extensions_alpn_str_len ALPN string length Unsigned integer, 1 byte 1.12.0 to 2.6.3
dtls.handshake.extensions_ec_point_format EC point format Unsigned integer, 1 byte 1.12.0 to 2.6.3
dtls.handshake.extensions_ec_point_formats EC point formats Label 2.4.0 to 2.6.3
dtls.handshake.extensions_ec_point_formats_length EC point formats Length Unsigned integer, 1 byte 1.12.0 to 2.6.3
dtls.handshake.extensions_elliptic_curve Elliptic curve Unsigned integer, 2 bytes 1.12.0 to 2.2.17
dtls.handshake.extensions_elliptic_curves Elliptic Curves List Label 1.12.0 to 2.2.17
dtls.handshake.extensions_elliptic_curves_length Elliptic Curves Length Unsigned integer, 2 bytes 1.12.0 to 2.2.17
dtls.handshake.extensions_key_share_client_length Client Key Share Length Unsigned integer, 2 bytes 2.4.0 to 2.6.3
dtls.handshake.extensions_key_share_group Group Unsigned integer, 2 bytes 2.4.0 to 2.6.3
dtls.handshake.extensions_key_share_key_exchange Key Exchange Sequence of bytes 2.4.0 to 2.6.3
dtls.handshake.extensions_key_share_key_exchange_length Key Exchange Length Unsigned integer, 2 bytes 2.4.0 to 2.6.3
dtls.handshake.extensions_key_share_selected_group Selected Group Unsigned integer, 2 bytes 2.4.0 to 2.6.3
dtls.handshake.extensions_length Extensions Length Unsigned integer, 2 bytes 1.0.0 to 2.6.3
dtls.handshake.extensions_npn Next Protocol Character string 1.12.0 to 2.6.3
dtls.handshake.extensions_npn_str_len Protocol string length Unsigned integer, 1 byte 1.12.0 to 2.6.3
dtls.handshake.extensions_padding Padding Label 1.12.0 to 2.0.5, 2.2.0
dtls.handshake.extensions_padding_data Padding Data Sequence of bytes 1.12.0 to 2.6.3
dtls.handshake.extensions_padding_len Padding length Unsigned integer, 2 bytes 1.12.0 to 2.0.5, 2.2.0
dtls.handshake.extensions_reneg_info Renegotiation info Sequence of bytes 2.0.0 to 2.6.3
dtls.handshake.extensions_reneg_info_len Renegotiation info extension length Unsigned integer, 1 byte 1.12.0 to 2.6.3
dtls.handshake.extensions_server_name Server Name Character string 1.12.0 to 2.6.3
dtls.handshake.extensions_server_name_len Server Name length Unsigned integer, 2 bytes 1.12.0 to 2.6.3
dtls.handshake.extensions_server_name_list_len Server Name list length Unsigned integer, 2 bytes 1.12.0 to 2.6.3
dtls.handshake.extensions_server_name_type Server Name Type Unsigned integer, 1 byte 1.12.0 to 2.6.3
dtls.handshake.extensions_status_request_exts_len Request Extensions Length Unsigned integer, 2 bytes 1.12.0 to 2.6.3
dtls.handshake.extensions_status_request_len Certificate Status Length Unsigned integer, 2 bytes 1.12.0 to 2.6.3
dtls.handshake.extensions_status_request_list_len Certificate Status List Length Unsigned integer, 2 bytes 2.6.0 to 2.6.3
dtls.handshake.extensions_status_request_responder_ids_len Responder ID list Length Unsigned integer, 2 bytes 1.12.0 to 2.6.3
dtls.handshake.extensions_status_request_type Certificate Status Type Unsigned integer, 1 byte 1.12.0 to 2.6.3
dtls.handshake.extensions_supported_group Supported Group Unsigned integer, 2 bytes 2.4.0 to 2.6.3
dtls.handshake.extensions_supported_groups Supported Groups List Label 2.4.0 to 2.6.3
dtls.handshake.extensions_supported_groups_length Supported Groups List Length Unsigned integer, 2 bytes 2.4.0 to 2.6.3
dtls.handshake.fragment_length Fragment Length Unsigned integer, 3 bytes 1.0.0 to 2.6.3
dtls.handshake.fragment_length.too_long Fragment length is larger than message length Label 1.12.0 to 2.6.3
dtls.handshake.fragment_length.zero Zero-length fragment length for fragmented message Label 2.0.0 to 2.6.3
dtls.handshake.fragment_offset Fragment Offset Unsigned integer, 3 bytes 1.0.0 to 2.6.3
dtls.handshake.fragment_past_end_msg Fragment runs past the end of the message Label 1.12.0 to 2.6.3
dtls.handshake.g g Sequence of bytes 1.12.0 to 2.6.3
dtls.handshake.g_len g Length Unsigned integer, 2 bytes 1.12.0 to 2.6.3
dtls.handshake.hint Hint Sequence of bytes 1.12.0 to 2.6.3
dtls.handshake.hint_len Hint Length Unsigned integer, 2 bytes 1.12.0 to 2.6.3
dtls.handshake.identity Identity Sequence of bytes 1.12.0 to 2.6.3
dtls.handshake.identity_len Identity Length Unsigned integer, 2 bytes 1.12.0 to 2.6.3
dtls.handshake.key_update.request_update Key Update Request Unsigned integer, 1 byte 2.4.0 to 2.6.3
dtls.handshake.length Length Unsigned integer, 3 bytes 1.0.0 to 2.6.3
dtls.handshake.md5_hash MD5 Hash Label 1.0.0 to 1.8.15
dtls.handshake.message_seq Message Sequence Unsigned integer, 2 bytes 1.0.0 to 2.6.3
dtls.handshake.modulus Modulus Sequence of bytes 1.12.0 to 2.6.3
dtls.handshake.modulus_len Modulus Length Unsigned integer, 2 bytes 1.12.0 to 2.6.3
dtls.handshake.ocsp_response_len OCSP Response Length Unsigned integer, 3 bytes 2.6.0 to 2.6.3
dtls.handshake.ocsp_response_list_len OCSP Response List Length Unsigned integer, 3 bytes 2.6.0 to 2.6.3
dtls.handshake.p p Sequence of bytes 1.12.0 to 2.6.3
dtls.handshake.p_len p Length Unsigned integer, 2 bytes 1.12.0 to 2.6.3
dtls.handshake.random Random Sequence of bytes 1.0.0 to 2.6.3
dtls.handshake.random_bytes Random Bytes Sequence of bytes 2.4.0 to 2.6.3
dtls.handshake.random_time GMT Unix Time Date and time 1.0.0 to 2.6.3
dtls.handshake.server_curve_type Curve Type Unsigned integer, 1 byte 1.12.0 to 2.6.3
dtls.handshake.server_named_curve Named Curve Unsigned integer, 2 bytes 1.12.0 to 2.6.3
dtls.handshake.server_point Pubkey Sequence of bytes 1.12.0 to 2.6.3
dtls.handshake.server_point_len Pubkey Length Unsigned integer, 1 byte 1.12.0 to 2.6.3
dtls.handshake.server_version Version Unsigned integer, 2 bytes 1.8.0 to 1.12.13
dtls.handshake.session_id Session ID Sequence of bytes 1.0.0 to 2.6.3
dtls.handshake.session_id_length Session ID Length Unsigned integer, 1 byte 1.0.0 to 2.6.3
dtls.handshake.session_ticket Session Ticket Sequence of bytes 1.8.0 to 2.6.3
dtls.handshake.session_ticket_age_add Session Ticket Age Add Unsigned integer, 4 bytes 2.4.0 to 2.6.3
dtls.handshake.session_ticket_length Session Ticket Length Unsigned integer, 2 bytes 1.8.0 to 2.6.3
dtls.handshake.session_ticket_lifetime_hint Session Ticket Lifetime Hint Unsigned integer, 4 bytes 1.8.0 to 2.6.3
dtls.handshake.session_ticket_nonce Session Ticket Nonce Sequence of bytes 2.4.0 to 2.6.3
dtls.handshake.session_ticket_nonce_length Session Ticket Nonce Length Unsigned integer, 1 byte 2.4.0 to 2.6.3
dtls.handshake.sha_hash SHA-1 Hash Label 1.0.0 to 1.8.15
dtls.handshake.sig Signature Sequence of bytes 1.12.0 to 2.6.3
dtls.handshake.sig_hash_alg Signature Algorithm Unsigned integer, 2 bytes 1.12.0 to 2.6.3
dtls.handshake.sig_hash_alg_len Signature Hash Algorithms Length Unsigned integer, 2 bytes 1.12.0 to 2.6.3
dtls.handshake.sig_hash_alg_len.bad Expert Info Label 1.12.0 to 1.12.13
dtls.handshake.sig_hash_alg_len.mult2 Expert Info Label 2.0.0 to 2.2.17
dtls.handshake.sig_hash_algs Signature Algorithms Label 1.12.0 to 2.6.3
dtls.handshake.sig_hash_algs.mult2 Expert Info Label 2.0.0 to 2.2.17
dtls.handshake.sig_hash_hash Signature Hash Algorithm Hash Unsigned integer, 1 byte 1.12.0 to 2.6.3
dtls.handshake.sig_hash_sig Signature Hash Algorithm Signature Unsigned integer, 1 byte 1.12.0 to 2.6.3
dtls.handshake.sig_len Signature Length Unsigned integer, 2 bytes 1.12.0 to 2.6.3
dtls.handshake.status_request.undecoded Responder ID list or Request Extensions are not implemented, contact Wireshark developers if you want this to be supported Label 1.12.0 to 2.6.3
dtls.handshake.type Handshake Type Unsigned integer, 1 byte 1.0.0 to 2.6.3
dtls.handshake.verify_data Verify Data Label 1.0.0 to 2.6.3
dtls.handshake.version Version Unsigned integer, 2 bytes 1.0.0 to 1.6.16, 2.0.0 to 2.6.3
dtls.handshake.yc Pubkey Sequence of bytes 1.12.0 to 2.6.3
dtls.handshake.yc_len Pubkey Length Unsigned integer, 2 bytes 1.12.0 to 2.6.3
dtls.handshake.ys Pubkey Sequence of bytes 1.12.0 to 2.6.3
dtls.handshake.ys_len Pubkey Length Unsigned integer, 2 bytes 1.12.0 to 2.6.3
dtls.heartbeat_message Heartbeat Message Label 1.8.0 to 2.6.3
dtls.heartbeat_message.padding Payload Length Sequence of bytes 1.8.0 to 2.6.3
dtls.heartbeat_message.payload Payload Length Sequence of bytes 1.8.0 to 2.6.3
dtls.heartbeat_message.payload_length Payload Length Unsigned integer, 2 bytes 1.8.0 to 2.6.3
dtls.heartbeat_message.payload_length.invalid Invalid heartbeat payload length Label 1.12.0 to 2.6.3
dtls.heartbeat_message.type Type Unsigned integer, 1 byte 1.8.0 to 2.6.3
dtls.malformed.buffer_too_small Malformed message, not enough data is available Label 2.4.0 to 2.6.3
dtls.malformed.trailing_data Undecoded trailing data is present Label 2.4.0 to 2.6.3
dtls.malformed.vector_length Variable vector length is outside the permitted range Label 2.4.0 to 2.6.3
dtls.msg_len_diff_fragment Message length differs from value in earlier fragment Label 1.12.0 to 2.6.3
dtls.quic.initial_version Initial Version Unsigned integer, 4 bytes 2.6.0 to 2.6.3
dtls.quic.len Parameters Length Unsigned integer, 2 bytes 2.6.0 to 2.6.3
dtls.quic.negotiated_version Negotiated Version Unsigned integer, 4 bytes 2.6.0 to 2.6.3
dtls.quic.parameter Parameter Label 2.6.0 to 2.6.3
dtls.quic.parameter.ack_delay_exponent ack_delay_exponent Unsigned integer, 1 byte 2.6.0 to 2.6.3
dtls.quic.parameter.idle_timeout idle_timeout Unsigned integer, 2 bytes 2.6.0 to 2.6.3
dtls.quic.parameter.initial_max_data initial_max_data Unsigned integer, 4 bytes 2.6.0 to 2.6.3
dtls.quic.parameter.initial_max_stream_data initial_max_stream_data Unsigned integer, 4 bytes 2.6.0 to 2.6.3
dtls.quic.parameter.initial_max_stream_id_bidi initial_max_stream_id_bidi Unsigned integer, 4 bytes 2.6.0 to 2.6.3
dtls.quic.parameter.initial_max_stream_id_uni initial_max_stream_id_uni Unsigned integer, 4 bytes 2.6.0 to 2.6.3
dtls.quic.parameter.length Length Unsigned integer, 2 bytes 2.6.0 to 2.6.3
dtls.quic.parameter.max_packet_size max_packet_size Unsigned integer, 2 bytes 2.6.0 to 2.6.3
dtls.quic.parameter.stateless_reset_token stateless_reset_token Sequence of bytes 2.6.0 to 2.6.3
dtls.quic.parameter.type Type Unsigned integer, 2 bytes 2.6.0 to 2.6.3
dtls.quic.parameter.value Value Sequence of bytes 2.6.0 to 2.6.3
dtls.quic.supported_versions Supported Versions Unsigned integer, 4 bytes 2.6.0 to 2.6.3
dtls.quic.supported_versions.len Supported Versions Length Unsigned integer, 2 bytes 2.6.0 to 2.6.3
dtls.reassembled.in Reassembled in Frame number 1.0.0 to 2.6.3
dtls.reassembled.length Reassembled DTLS length Unsigned integer, 4 bytes 1.4.0 to 2.6.3
dtls.record Record Layer Label 1.0.0 to 2.6.3
dtls.record.content_type Content Type Unsigned integer, 1 byte 1.0.0 to 2.6.3
dtls.record.epoch Epoch Unsigned integer, 2 bytes 1.0.0 to 2.6.3
dtls.record.length Length Unsigned integer, 2 bytes 1.0.0 to 2.6.3
dtls.record.length.invalid Record fragment length is too large Label 2.4.0 to 2.6.3
dtls.record.sequence_number Sequence Number Unsigned integer, 8 bytes 1.0.0 to 2.6.3
dtls.record.version Version Unsigned integer, 2 bytes 1.0.0 to 2.6.3
dtls.resumed This session reuses previously negotiated keys (Session resumption) Label 2.0.0 to 2.6.3
dtls.sct.sct_extensions Extensions Label 2.4.0 to 2.6.3
dtls.sct.sct_extensions_length Extensions length Unsigned integer, 2 bytes 2.4.0 to 2.6.3
dtls.sct.sct_length Serialized SCT Length Unsigned integer, 2 bytes 2.4.0 to 2.6.3
dtls.sct.sct_logid Log ID Sequence of bytes 2.4.0 to 2.6.3
dtls.sct.sct_signature Signature Sequence of bytes 2.4.0 to 2.6.3
dtls.sct.sct_signature_length Signature Length Unsigned integer, 2 bytes 2.4.0 to 2.6.3
dtls.sct.sct_timestamp Timestamp Date and time 2.4.0 to 2.6.3
dtls.sct.sct_version SCT Version Unsigned integer, 1 byte 2.4.0 to 2.6.3
dtls.sct.scts_length Serialized SCT List Length Unsigned integer, 2 bytes 2.4.0 to 2.6.3
dtls.use_srtp.mki MKI Sequence of bytes 2.4.0 to 2.6.3
dtls.use_srtp.mki_length MKI Length Unsigned integer, 1 byte 2.4.0 to 2.6.3
dtls.use_srtp.protection_profile SRTP Protection Profile Unsigned integer, 2 bytes 2.4.0 to 2.6.3
dtls.use_srtp.protection_profiles_length SRTP Protection Profiles Length Unsigned integer, 2 bytes 2.4.0 to 2.6.3
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