| tns.abort | Abort | Boolean | Abort |
| tns.abort_data | Abort Data | String | Abort Data |
| tns.abort_reason_system | Abort Reason (User) | Unsigned 8-bit integer | Abort Reason from System |
| tns.abort_reason_user | Abort Reason (User) | Unsigned 8-bit integer | Abort Reason from Application |
| tns.accept | Accept | Boolean | Accept |
| tns.accept_data | Accept Data | String | Accept Data |
| tns.accept_data_length | Accept Data Length | Unsigned 16-bit integer | Length of Accept Data |
| tns.accept_data_offset | Offset to Accept Data | Unsigned 16-bit integer | Offset to Accept Data |
| tns.compat_version | Version (Compatible) | Unsigned 16-bit integer | Version (Compatible) |
| tns.connect | Connect | Boolean | Connect |
| tns.connect_data | Connect Data | String | Connect Data |
| tns.connect_data_length | Length of Connect Data | Unsigned 16-bit integer | Length of Connect Data |
| tns.connect_data_max | Maximum Receivable Connect Data | Unsigned 32-bit integer | Maximum Receivable Connect Data |
| tns.connect_data_offset | Offset to Connect Data | Unsigned 16-bit integer | Offset to Connect Data |
| tns.connect_flags.enablena | NA services enabled | Unsigned 8-bit integer | NA services enabled |
| tns.connect_flags.ichg | Interchange is involved | Unsigned 8-bit integer | Interchange is involved |
| tns.connect_flags.nalink | NA services linked in | Unsigned 8-bit integer | NA services linked in |
| tns.connect_flags.nareq | NA services required | Unsigned 8-bit integer | NA services required |
| tns.connect_flags.wantna | NA services wanted | Unsigned 8-bit integer | NA services wanted |
| tns.connect_flags0 | Connect Flags 0 | Unsigned 8-bit integer | Connect Flags 0 |
| tns.connect_flags1 | Connect Flags 1 | Unsigned 8-bit integer | Connect Flags 1 |
| tns.control | Control | Boolean | Control |
| tns.control.cmd | Control Command | Unsigned 16-bit integer | Control Command |
| tns.control.data | Control Data | Byte array | Control Data |
| tns.data | Data | Boolean | Data |
| tns.data_flag | Data Flag | Unsigned 16-bit integer | Data Flag |
| tns.data_flag.c | Confirmation | Unsigned 16-bit integer | Confirmation |
| tns.data_flag.dic | Do Immediate Confirmation | Unsigned 16-bit integer | Do Immediate Confirmation |
| tns.data_flag.eof | End of File | Unsigned 16-bit integer | End of File |
| tns.data_flag.more | More Data to Come | Unsigned 16-bit integer | More Data to Come |
| tns.data_flag.rc | Request Confirmation | Unsigned 16-bit integer | Request Confirmation |
| tns.data_flag.reserved | Reserved | Unsigned 16-bit integer | Reserved |
| tns.data_flag.rts | Request To Send | Unsigned 16-bit integer | Request To Send |
| tns.data_flag.send | Send Token | Unsigned 16-bit integer | Send Token |
| tns.data_flag.sntt | Send NT Trailer | Unsigned 16-bit integer | Send NT Trailer |
| tns.header_checksum | Header Checksum | Unsigned 16-bit integer | Checksum of Header Data |
| tns.length | Packet Length | Unsigned 16-bit integer | Length of TNS packet |
| tns.line_turnaround | Line Turnaround Value | Unsigned 16-bit integer | Line Turnaround Value |
| tns.marker | Marker | Boolean | Marker |
| tns.marker.data | Marker Data | Unsigned 16-bit integer | Marker Data |
| tns.marker.databyte | Marker Data Byte | Unsigned 8-bit integer | Marker Data Byte |
| tns.marker.type | Marker Type | Unsigned 8-bit integer | Marker Type |
| tns.max_tdu_size | Maximum Transmission Data Unit Size | Unsigned 16-bit integer | Maximum Transmission Data Unit Size |
| tns.nt_proto_characteristics | NT Protocol Characteristics | Unsigned 16-bit integer | NT Protocol Characteristics |
| tns.ntp_flag.asio | ASync IO Supported | Unsigned 16-bit integer | ASync IO Supported |
| tns.ntp_flag.cbio | Callback IO supported | Unsigned 16-bit integer | Callback IO supported |
| tns.ntp_flag.crel | Confirmed release | Unsigned 16-bit integer | Confirmed release |
| tns.ntp_flag.dfio | Full duplex IO supported | Unsigned 16-bit integer | Full duplex IO supported |
| tns.ntp_flag.dtest | Data test | Unsigned 16-bit integer | Data Test |
| tns.ntp_flag.grant | Can grant connection to another | Unsigned 16-bit integer | Can grant connection to another |
| tns.ntp_flag.handoff | Can handoff connection to another | Unsigned 16-bit integer | Can handoff connection to another |
| tns.ntp_flag.hangon | Hangon to listener connect | Unsigned 16-bit integer | Hangon to listener connect |
| tns.ntp_flag.pio | Packet oriented IO | Unsigned 16-bit integer | Packet oriented IO |
| tns.ntp_flag.sigio | Generate SIGIO signal | Unsigned 16-bit integer | Generate SIGIO signal |
| tns.ntp_flag.sigpipe | Generate SIGPIPE signal | Unsigned 16-bit integer | Generate SIGPIPE signal |
| tns.ntp_flag.sigurg | Generate SIGURG signal | Unsigned 16-bit integer | Generate SIGURG signal |
| tns.ntp_flag.srun | Spawner running | Unsigned 16-bit integer | Spawner running |
| tns.ntp_flag.tduio | TDU based IO | Unsigned 16-bit integer | TDU based IO |
| tns.ntp_flag.testop | Test operation | Unsigned 16-bit integer | Test operation |
| tns.ntp_flag.urgentio | Urgent IO supported | Unsigned 16-bit integer | Urgent IO supported |
| tns.packet_checksum | Packet Checksum | Unsigned 16-bit integer | Checksum of Packet Data |
| tns.redirect | Redirect | Boolean | Redirect |
| tns.redirect_data | Redirect Data | String | Redirect Data |
| tns.redirect_data_length | Redirect Data Length | Unsigned 16-bit integer | Length of Redirect Data |
| tns.refuse | Refuse | Boolean | Refuse |
| tns.refuse_data | Refuse Data | String | Refuse Data |
| tns.refuse_data_length | Refuse Data Length | Unsigned 16-bit integer | Length of Refuse Data |
| tns.refuse_reason_system | Refuse Reason (System) | Unsigned 8-bit integer | Refuse Reason from System |
| tns.refuse_reason_user | Refuse Reason (User) | Unsigned 8-bit integer | Refuse Reason from Application |
| tns.request | Request | Boolean | TRUE if TNS request |
| tns.reserved_byte | Reserved Byte | Byte array | Reserved Byte |
| tns.response | Response | Boolean | TRUE if TNS response |
| tns.sdu_size | Session Data Unit Size | Unsigned 16-bit integer | Session Data Unit Size |
| tns.service_options | Service Options | Unsigned 16-bit integer | Service Options |
| tns.so_flag.ap | Attention Processing | Unsigned 16-bit integer | Attention Processing |
| tns.so_flag.bconn | Broken Connect Notify | Unsigned 16-bit integer | Broken Connect Notify |
| tns.so_flag.dc1 | Don't Care | Unsigned 16-bit integer | Don't Care |
| tns.so_flag.dc2 | Don't Care | Unsigned 16-bit integer | Don't Care |
| tns.so_flag.dio | Direct IO to Transport | Unsigned 16-bit integer | Direct IO to Transport |
| tns.so_flag.fd | Full Duplex | Unsigned 16-bit integer | Full Duplex |
| tns.so_flag.hc | Header Checksum | Unsigned 16-bit integer | Header Checksum |
| tns.so_flag.hd | Half Duplex | Unsigned 16-bit integer | Half Duplex |
| tns.so_flag.pc | Packet Checksum | Unsigned 16-bit integer | Packet Checksum |
| tns.so_flag.ra | Can Receive Attention | Unsigned 16-bit integer | Can Receive Attention |
| tns.so_flag.sa | Can Send Attention | Unsigned 16-bit integer | Can Send Attention |
| tns.trace_cf1 | Trace Cross Facility Item 1 | Unsigned 32-bit integer | Trace Cross Facility Item 1 |
| tns.trace_cf2 | Trace Cross Facility Item 2 | Unsigned 32-bit integer | Trace Cross Facility Item 2 |
| tns.trace_cid | Trace Unique Connection ID | Unsigned 64-bit integer | Trace Unique Connection ID |
| tns.type | Packet Type | Unsigned 8-bit integer | Type of TNS packet |
| tns.value_of_one | Value of 1 in Hardware | Byte array | Value of 1 in Hardware |
| tns.version | Version | Unsigned 16-bit integer | Version |