TCPTCP
User Datagram Protocol
is a core protocol of the Internet protocol suite. The
UDP provides a minimal and simple interface between a network layer below
and a session layer or application above. This protocol does not guarantee
reliable and in-order delivery from sender to receiver.
UDP header is defined in RFC 768 as below.
Src PortSrc Port
Source port
identifies the sending port and should be assumed to be the port to
reply to if needed. If not used, then it should be zero.
Dst PortDst Port
Destination port
identifies the destination port and the setting is required.
LengthLength
Shows the packet length in bytes.
ChecksumChecksum
Optionally, the Checksum may be forced to zero, by selecting the NullNull check
box.
Touching the TCPTCP layer button displays the parameters available for the
Transmission Control Protocol
layer.