TCP Constant Enumerations#

This module contains all constant enumerations of TCP implementations. Available enumerations include:

TCP_Checksum

TCP Checksum [*]

TCP_MPTCPOption

Multipath TCP options [†]

TCP_Option

TCP Option Kind Numbers [‡]

TCP_Flags

TCP Header Flags [§]

TCP Checksum#

This module contains the constant enumeration for TCP Checksum, which is automatically generated from pcapkit.vendor.tcp.checksum.Checksum.

class pcapkit.const.tcp.checksum.Checksum(value=<no_arg>, names=None, module=None, qualname=None, type=None, start=1, boundary=None)[source]#

Bases: IntEnum

[Checksum] TCP Checksum [RFC 1146]

TCP_checksum = 0#
Checksum_8_bit_Fletcher_s_algorithm = 1#
Checksum_16_bit_Fletcher_s_algorithm = 2#
Redundant_Checksum_Avoidance = 3#
classmethod _missing_(value)[source]#

Lookup function used when value is not found.

Parameters:

value (int) – Value to get enum item.

Return type:

Checksum

Multipath TCP options#

This module contains the constant enumeration for Multipath TCP options, which is automatically generated from pcapkit.vendor.tcp.mp_tcp_option.MPTCPOption.

class pcapkit.const.tcp.mp_tcp_option.MPTCPOption(value=<no_arg>, names=None, module=None, qualname=None, type=None, start=1, boundary=None)[source]#

Bases: IntEnum

[MPTCPOption] Multipath TCP options [RFC 6824]

MP_CAPABLE = 0#

Multipath Capable [RFC 8684#3.1]

MP_JOIN = 1#

Join Connection [RFC 8684#3.2]

DSS = 2#

Data Sequence Signal (Data ACK and Data Sequence Mapping) [RFC 8684#3.3]

ADD_ADDR = 3#

Add Address [RFC 8684#3.4.1]

REMOVE_ADDR = 4#

Remove Address [RFC 8684#3.4.2]

MP_PRIO = 5#

Change Subflow Priority [RFC 8684#3.3.8]

MP_FAIL = 6#

Fallback [RFC 8684#3.7]

MP_FASTCLOSE = 7#

Fast Close [RFC 8684#3.5]

MP_TCPRST = 8#

Subflow Reset [RFC 8684#3.6]

Reserved_for_Private_Use = 15#

[RFC 8684]

classmethod _missing_(value)[source]#

Lookup function used when value is not found.

Parameters:

value (int) – Value to get enum item.

Return type:

MPTCPOption

TCP Option Kind Numbers#

This module contains the constant enumeration for TCP Option Kind Numbers, which is automatically generated from pcapkit.vendor.tcp.option.Option.

class pcapkit.const.tcp.option.Option(value=<no_arg>, names=None, module=None, qualname=None, type=None, start=1, boundary=None)[source]#

Bases: IntEnum

[Option] TCP Option Kind Numbers

End_of_Option_List = 0#

End of Option List [RFC 9293]

No_Operation = 1#

No-Operation [RFC 9293]

Maximum_Segment_Size = 2#

Maximum Segment Size [RFC 9293]

Window_Scale = 3#

Window Scale [RFC 7323]

SACK_Permitted = 4#

SACK Permitted [RFC 2018]

SACK = 5#

SACK [RFC 2018]

Echo = 6#

Echo (obsoleted by option 8) [RFC 1072][RFC 6247]

Echo_Reply = 7#

Echo Reply (obsoleted by option 8) [RFC 1072][RFC 6247]

Timestamps = 8#

Timestamps [RFC 7323]

Partial_Order_Connection_Permitted = 9#

Partial Order Connection Permitted (obsolete) [RFC 1693][RFC 6247]

Partial_Order_Service_Profile = 10#

Partial Order Service Profile (obsolete) [RFC 1693][RFC 6247]

CC = 11#

CC (obsolete) [RFC 1644][RFC 6247]

CC_NEW = 12#

CC.NEW (obsolete) [RFC 1644][RFC 6247]

CC_ECHO = 13#

CC.ECHO (obsolete) [RFC 1644][RFC 6247]

TCP_Alternate_Checksum_Request = 14#

TCP Alternate Checksum Request (obsolete) [RFC 1146][RFC 6247]

TCP_Alternate_Checksum_Data = 15#

TCP Alternate Checksum Data (obsolete) [RFC 1146][RFC 6247]

Skeeter = 16#

Skeeter [Stev Knowles]

Bubba = 17#

Bubba [Stev Knowles]

Trailer_Checksum_Option = 18#

Trailer Checksum Option [Subbu Subramaniam][Monroe Bridges]

MD5_Signature_Option = 19#

MD5 Signature Option (obsoleted by option 29) [RFC 2385]

SCPS_Capabilities = 20#

SCPS Capabilities [Keith Scott]

Selective_Negative_Acknowledgements = 21#

Selective Negative Acknowledgements [Keith Scott]

Record_Boundaries = 22#

Record Boundaries [Keith Scott]

Corruption_experienced = 23#

Corruption experienced [Keith Scott]

SNAP = 24#

SNAP [Vladimir Sukonnik]

Unassigned_25 = 25#

Unassigned (released 2000-12-18)

TCP_Compression_Filter = 26#

TCP Compression Filter [Steve Bellovin]

Quick_Start_Response = 27#

Quick-Start Response [RFC 4782]

User_Timeout_Option = 28#

User Timeout Option (also, other known unauthorized use) [RFC 5482]

TCP_Authentication_Option = 29#

TCP Authentication Option (TCP-AO) [RFC 5925]

Multipath_TCP = 30#

Multipath TCP (MPTCP) [RFC 8684]

Reserved_31 = 31#

Reserved (known unauthorized use without proper IANA assignment)

Reserved_32 = 32#

Reserved (known unauthorized use without proper IANA assignment)

Reserved_33 = 33#

Reserved (known unauthorized use without proper IANA assignment)

TCP Fast Open Cookie [RFC 7413]

Encryption_Negotiation = 69#

Encryption Negotiation (TCP-ENO) [RFC 8547]

Reserved_70 = 70#

Reserved (known unauthorized use without proper IANA assignment)

Reserved_76 = 76#

Reserved (known unauthorized use without proper IANA assignment)

Reserved_77 = 77#

Reserved (known unauthorized use without proper IANA assignment)

Reserved_78 = 78#

Reserved (known unauthorized use without proper IANA assignment)

Accurate_ECN_Order_0 = 172#

Accurate ECN Order 0 (AccECN0) (TEMPORARY - registered 2022-08-03, extension registered 2023-06-13, expires 2024-08-03) [draft-ietf-tcpm-accurate-ecn-20]

Reserved_173 = 173#

Reserved

Accurate_ECN_Order_1 = 174#

Accurate ECN Order 1 (AccECN1) (TEMPORARY - registered 2022-08-03, extension registered 2023-06-13, expires 2024-08-03) [draft-ietf-tcpm-accurate-ecn-20]

RFC3692_style_Experiment_1 = 253#

RFC3692-style Experiment 1 (also improperly used for shipping products) [RFC 4727]

RFC3692_style_Experiment_2 = 254#

RFC3692-style Experiment 2 (also improperly used for shipping products) [RFC 4727]

classmethod _missing_(value)[source]#

Lookup function used when value is not found.

Parameters:

value (int) – Value to get enum item.

Return type:

Option

TCP Header Flags#

This module contains the constant enumeration for TCP Header Flags, which is automatically generated from pcapkit.vendor.tcp.flags.Flags.

class pcapkit.const.tcp.flags.Flags(value=<no_arg>, names=None, module=None, qualname=None, type=None, start=1, boundary=None)[source]#

Bases: IntFlag

[Flags] TCP Header Flags

Reserved_4 = 16#

Reserved for future use [RFC 9293]

Reserved_5 = 32#

Reserved for future use [RFC 9293]

Reserved_6 = 64#

Reserved for future use [RFC 9293]

Reserved_7 = 128#

Reserved for future use [RFC 8311]

CWR = 256#

CWR (Congestion Window Reduced) [RFC 3168]

ECE = 512#

ECE (ECN-Echo) [RFC 3168]

URG = 1024#

Urgent Pointer field is significant (URG) [RFC 9293]

ACK = 2048#

Acknowledgment field is significant (ACK) [RFC 9293]

PSH = 4096#

Push Function (PSH) [RFC 9293]

RST = 8192#

Reset the connection (RST) [RFC 9293]

SYN = 16384#

Synchronize sequence numbers (SYN) [RFC 9293]

FIN = 32768#

No more data from sender (FIN) [RFC 9293]

Footnotes