Wireshark · Display Filter Reference: X Display Manager Control Protocol

Field name	Description	Type	Versions
xdmcp.authentication_data	Authentication data	Byte sequence	1.10.0 to 4.4.2
xdmcp.authentication_data_len	Authentication data Length	Unsigned integer (16 bits)	1.10.0 to 4.4.2
xdmcp.authentication_name	Authentication name	Character string	1.0.0 to 4.4.2
xdmcp.authorization_data	Authorization data	Byte sequence	1.10.0 to 4.4.2
xdmcp.authorization_data_len	Authorization data Length	Unsigned integer (16 bits)	1.10.0 to 4.4.2
xdmcp.authorization_name	Authorization name	Character string	1.0.0 to 4.4.2
xdmcp.client_address_bytes	Client Address	Byte sequence	1.10.0 to 4.4.2
xdmcp.client_address_bytes_len	Client Address Length	Unsigned integer (16 bits)	1.10.0 to 4.4.2
xdmcp.client_address_ipv4	Client Address	IPv4 address	1.10.0 to 4.4.2
xdmcp.client_address_ipv6	Client Address	IPv6 address	1.10.0 to 4.4.2
xdmcp.client_port	Client port	Unsigned integer (16 bits)	1.10.0 to 4.4.2
xdmcp.client_port_bytes	Client port	Byte sequence	1.10.0 to 4.4.2
xdmcp.client_port_len	Client port Length	Unsigned integer (16 bits)	1.10.0 to 4.4.2
xdmcp.conn_address_mismatch	Error: Connection type/address arrays don't match	Label	1.12.0 to 4.4.2
xdmcp.connection_address_bytes	Address	Byte sequence	1.10.0 to 4.4.2
xdmcp.connection_address_ipv4	Address	IPv4 address	1.10.0 to 4.4.2
xdmcp.connection_address_ipv6	Address	IPv6 address	1.10.0 to 4.4.2
xdmcp.connection_type	Type	Unsigned integer (16 bits)	1.10.0 to 4.4.2
xdmcp.display_class	Display class	Byte sequence	1.10.0 to 4.4.2
xdmcp.display_class_len	Display class Length	Unsigned integer (16 bits)	1.10.0 to 4.4.2
xdmcp.display_number	Display number	Unsigned integer (16 bits)	1.0.0 to 4.4.2
xdmcp.hostname	Hostname	Character string	1.0.0 to 4.4.2
xdmcp.length	Message length	Unsigned integer (16 bits)	1.0.0 to 4.4.2
xdmcp.manufacturer_display_id	Manufacturer display ID	Byte sequence	1.10.0 to 4.4.2
xdmcp.manufacturer_display_id_len	Manufacturer display ID Length	Unsigned integer (16 bits)	1.10.0 to 4.4.2
xdmcp.opcode	Opcode	Unsigned integer (16 bits)	1.0.0 to 4.4.2
xdmcp.session_id	Session ID	Unsigned integer (32 bits)	1.0.0 to 4.4.2
xdmcp.session_running	Session running	Unsigned integer (8 bits)	1.10.0 to 4.4.2
xdmcp.status	Status	Character string	1.0.0 to 4.4.2
xdmcp.version	Version	Unsigned integer (16 bits)	1.0.0 to 4.4.2