DNP3 Application Layer request and response
headers contain function codes. The function codes include read,
write, select, operate, and direct_operate. The dnp3-req-func-code
context identifies these function codes which are 1 byte in length.
Additional Details
None
Context Capture
In
this example, the function code ‘Select’ has hex value 0x03. In
the custom application, a decimal equivalent of 3 will have to be
defined.