Wireshark · Display Filter Reference: Wireshark Field/Fundamental Types

Field name	Description	Type	Versions
_ws.ftypes.abs_time	FT_ABSOLUTE_TIME	Date and time	4.0.0 to 4.4.2
_ws.ftypes.ax25	FT_AX25	AX.25 address	4.0.0 to 4.4.2
_ws.ftypes.boolean	FT_BOOLEAN	Boolean	4.0.0 to 4.4.2
_ws.ftypes.bytes	FT_BYTES	Byte sequence	4.0.0 to 4.4.2
_ws.ftypes.char	FT_CHAR	Character (8 bits)	4.0.0 to 4.4.2
_ws.ftypes.double	FT_DOUBLE	Floating point (double-precision)	4.0.0 to 4.4.2
_ws.ftypes.ether	FT_ETHER	Ethernet or other MAC address	4.0.0 to 4.4.2
_ws.ftypes.eui64	FT_EUI64	EUI64 address	4.0.0 to 4.4.2
_ws.ftypes.float	FT_FLOAT	Floating point (single-precision)	4.0.0 to 4.4.2
_ws.ftypes.framenum	FT_FRAMENUM	Frame number	4.0.0 to 4.4.2
_ws.ftypes.guid	FT_GUID	Globally Unique Identifier	4.0.0 to 4.4.2
_ws.ftypes.ieee_11073_float	FT_IEEE_11073_FLOAT	IEEE-11073 Floating point (32-bit)	4.0.0 to 4.4.2
_ws.ftypes.ieee_11073_sfloat	FT_IEEE_11073_SFLOAT	IEEE-11073 floating point (16-bit)	4.0.0 to 4.4.2
_ws.ftypes.int16	FT_INT16	Signed integer (16 bits)	4.0.0 to 4.4.2
_ws.ftypes.int24	FT_INT24	Signed integer (24 bits)	4.0.0 to 4.4.2
_ws.ftypes.int32	FT_INT32	Signed integer (32 bits)	4.0.0 to 4.4.2
_ws.ftypes.int40	FT_INT40	Signed integer (40 bits)	4.0.0 to 4.4.2
_ws.ftypes.int48	FT_INT48	Signed integer (48 bits)	4.0.0 to 4.4.2
_ws.ftypes.int56	FT_INT56	Signed integer (56 bits)	4.0.0 to 4.4.2
_ws.ftypes.int64	FT_INT64	Signed integer (64 bits)	4.0.0 to 4.4.2
_ws.ftypes.int8	FT_INT8	Signed integer (8 bits)	4.0.0 to 4.4.2
_ws.ftypes.ipv4	FT_IPv4	IPv4 address	4.0.0 to 4.4.2
_ws.ftypes.ipv6	FT_IPv6	IPv6 address	4.0.0 to 4.4.2
_ws.ftypes.ipxnet	FT_IPXNET	IPX network number	4.0.0 to 4.4.2
_ws.ftypes.none	FT_NONE	Label	4.0.0 to 4.4.2
_ws.ftypes.oid	FT_OID	ASN.1 object identifier	4.0.0 to 4.4.2
_ws.ftypes.protocol	FT_PROTOCOL	Protocol	4.0.0 to 4.4.2
_ws.ftypes.rel_oid	FT_REL_OID	ASN.1 relative object identifier	4.0.0 to 4.4.2
_ws.ftypes.rel_time	FT_RELATIVE_TIME	Time offset	4.0.0 to 4.4.2
_ws.ftypes.string	FT_STRING	Character string	4.0.0 to 4.4.2
_ws.ftypes.stringz	FT_STRINGZ	Character string	4.0.0 to 4.4.2
_ws.ftypes.stringzpad	FT_STRINGZPAD	Character string	4.0.0 to 4.4.2
_ws.ftypes.stringztrunc	FT_STRINGZTRUNC	Character string	4.0.0 to 4.4.2
_ws.ftypes.system_id	FT_SYSTEM_ID	OSI System-ID	4.0.0 to 4.4.2
_ws.ftypes.uint16	FT_UINT16	Unsigned integer (16 bits)	4.0.0 to 4.4.2
_ws.ftypes.uint24	FT_UINT24	Unsigned integer (24 bits)	4.0.0 to 4.4.2
_ws.ftypes.uint32	FT_UINT32	Unsigned integer (32 bits)	4.0.0 to 4.4.2
_ws.ftypes.uint40	FT_UINT40	Unsigned integer (40 bits)	4.0.0 to 4.4.2
_ws.ftypes.uint48	FT_UINT48	Unsigned integer (48 bits)	4.0.0 to 4.4.2
_ws.ftypes.uint56	FT_UINT56	Unsigned integer (56 bits)	4.0.0 to 4.4.2
_ws.ftypes.uint64	FT_UINT64	Unsigned integer (64 bits)	4.0.0 to 4.4.2
_ws.ftypes.uint8	FT_UINT8	Unsigned integer (8 bits)	4.0.0 to 4.4.2
_ws.ftypes.uint_bytes	FT_UINT_BYTES	Byte sequence	4.0.0 to 4.4.2
_ws.ftypes.uint_string	FT_UINT_STRING	Character string	4.0.0 to 4.4.2
_ws.ftypes.vines	FT_VINES	VINES address	4.0.0 to 4.4.2