Wireshark · Display Filter Reference: ISO 8327-1 OSI Session Protocol

Field name	Description	Type	Versions
ses.activity_identifier	Activity Identifier	Byte sequence	1.0.0 to 4.4.2
ses.activity_management	Activity management function unit	Boolean	1.0.0 to 4.4.2
ses.additional_reference_information	Additional Reference Information	Byte sequence	1.0.0 to 4.4.2
ses.bad_length	Bad length	Label	2.0.0 to 4.4.2
ses.bad_parameter_length	Bad parameter length	Label	2.0.0 to 4.4.2
ses.begininng_of_SSDU	beginning of SSDU	Boolean	1.0.0 to 2.0.16
ses.beginning_of_SSDU	beginning of SSDU	Boolean	2.2.0 to 4.4.2
ses.called_session_selector	Called Session Selector	Byte sequence	1.0.0 to 4.4.2
ses.called_ss_user_reference	Called SS User Reference	Byte sequence	1.0.0 to 4.4.2
ses.calling_session_selector	Calling Session Selector	Byte sequence	1.0.0 to 4.4.2
ses.calling_ss_user_reference	Calling SS User Reference	Byte sequence	1.0.0 to 4.4.2
ses.capability_data	Capability function unit	Boolean	1.0.0 to 4.4.2
ses.common_reference	Common Reference	Byte sequence	1.0.0 to 4.4.2
ses.connect.f1	Able to receive extended concatenated SPDU	Boolean	1.0.0 to 4.4.2
ses.connect.flags	Flags	Unsigned integer (8 bits)	1.0.0 to 4.4.2
ses.data_sep	Data separation function unit	Boolean	1.0.0 to 4.4.2
ses.data_token	data token	Boolean	1.0.0 to 4.4.2
ses.data_token_setting	data token setting	Unsigned integer (8 bits)	1.0.0 to 4.4.2
ses.duplex	Duplex functional unit	Boolean	1.0.0 to 4.4.2
ses.enclosure.flags	Flags	Unsigned integer (8 bits)	1.0.0 to 4.4.2
ses.end_of_SSDU	end of SSDU	Boolean	1.0.0 to 4.4.2
ses.exception_data	Exception function unit	Boolean	1.0.0 to 4.4.2
ses.exception_report	Session exception report	Boolean	2.6.0 to 4.4.2
ses.exception_report.	Session exception report	Boolean	1.0.0 to 2.4.16
ses.expedited_data	Expedited data function unit	Boolean	1.0.0 to 4.4.2
ses.half_duplex	Half-duplex functional unit	Boolean	1.0.0 to 4.4.2
ses.initial_serial_number	Initial Serial Number	Character string	1.0.0 to 4.4.2
ses.large_initial_serial_number	Large Initial Serial Number	Character string	1.0.0 to 4.4.2
ses.large_second_initial_serial_number	Large Second Initial Serial Number	Character string	1.0.0 to 4.4.2
ses.length	Length	Unsigned integer (16 bits)	1.0.0 to 4.4.2
ses.major.token	major/activity token	Boolean	1.0.0 to 4.4.2
ses.major_activity_token_setting	major/activity setting	Unsigned integer (8 bits)	1.0.0 to 4.4.2
ses.major_resynchronize	Major resynchronize function unit	Boolean	1.0.0 to 4.4.2
ses.minor_resynchronize	Minor resynchronize function unit	Boolean	1.0.0 to 4.4.2
ses.negotiated_release	Negotiated release function unit	Boolean	1.0.0 to 4.4.2
ses.parameter_group_inside_parameter_group	Parameter group inside parameter group	Label	2.0.0 to 4.4.2
ses.parameter_length	Parameter length	Unsigned integer (32 bits)	2.0.0 to 4.4.2
ses.parameter_type	Parameter type	Unsigned integer (8 bits)	2.0.0 to 4.4.2
ses.proposed_tsdu_maximum_size_i2r	Proposed TSDU Maximum Size, Initiator to Responder	Unsigned integer (16 bits)	1.0.0 to 4.4.2
ses.proposed_tsdu_maximum_size_r2i	Proposed TSDU Maximum Size, Responder to Initiator	Unsigned integer (16 bits)	1.0.0 to 4.4.2
ses.protocol_version1	Protocol Version 1	Boolean	1.0.0 to 4.4.2
ses.protocol_version2	Protocol Version 2	Boolean	1.0.0 to 4.4.2
ses.reason_code	Reason Code	Unsigned integer (8 bits)	2.0.0 to 4.4.2
ses.reassembled.in	Reassembled SES in frame	Frame number	1.6.0 to 4.4.2
ses.reassembled.length	Reassembled SES length	Unsigned integer (32 bits)	1.6.0 to 4.4.2
ses.release_token	release token	Boolean	1.0.0 to 4.4.2
ses.release_token_setting	release token setting	Unsigned integer (8 bits)	1.0.0 to 4.4.2
ses.req.flags	Flags	Unsigned integer (16 bits)	1.0.0 to 4.4.2
ses.reserved	Reserved	Unsigned integer (8 bits)	1.0.0 to 1.8.15
ses.resynchronize	Resynchronize function unit	Boolean	1.0.0 to 4.4.2
ses.second_initial_serial_number	Second Initial Serial Number	Character string	1.0.0 to 4.4.2
ses.second_serial_number	Second Serial Number	Character string	1.0.0 to 4.4.2
ses.segment	SES segment	Frame number	1.6.0 to 4.4.2
ses.segment.count	SES segment count	Unsigned integer (32 bits)	1.6.0 to 4.4.2
ses.segment.data	SES segment data	Label	1.6.0 to 4.4.2
ses.segment.error	SES desegmentation error	Frame number	1.6.0 to 4.4.2
ses.segment.multiple_tails	SES has multiple tail segments	Boolean	1.6.0 to 4.4.2
ses.segment.overlap	SES segment overlap	Boolean	1.6.0 to 4.4.2
ses.segment.overlap.conflicts	SES segment overlapping with conflicting data	Boolean	1.6.0 to 4.4.2
ses.segment.too_long_segment	SES segment too long	Boolean	1.6.0 to 4.4.2
ses.segments	SES segments	Label	1.6.0 to 4.4.2
ses.serial_number	Serial Number	Character string	1.0.0 to 4.4.2
ses.symm_sync	Symmetric synchronize function unit	Boolean	1.0.0 to 4.4.2
ses.synchronize_minor_token_setting	synchronize-minor token setting	Unsigned integer (8 bits)	1.0.0 to 4.4.2
ses.synchronize_token	synchronize minor token	Boolean	1.0.0 to 4.4.2
ses.tken_item.flags	Flags	Unsigned integer (8 bits)	1.0.0 to 4.4.2
ses.transport_flags	Flags	Unsigned integer (8 bits)	2.0.0 to 4.4.2
ses.transport_flags.connection	Transport connection	Boolean	2.0.0 to 4.4.2
ses.transport_flags.implementation_restriction	Implementation restriction	Boolean	2.0.0 to 4.4.2
ses.transport_flags.no_reason	No reason	Boolean	2.0.0 to 4.4.2
ses.transport_flags.protocol_error	Protocol error	Boolean	2.0.0 to 4.4.2
ses.transport_flags.user_abort	User abort	Boolean	2.0.0 to 4.4.2
ses.type	SPDU Type	Unsigned integer (8 bits)	1.0.0 to 4.4.2
ses.typed_data	Typed data function unit	Boolean	1.0.0 to 4.4.2
ses.user_data	User data	Byte sequence	2.0.0 to 4.4.2
ses.version	Version	Unsigned integer (8 bits)	1.0.0 to 1.8.15
ses.version.flags	Flags	Unsigned integer (8 bits)	1.0.0 to 4.4.2