zmq_null - no security or confidentiality
The NULL mechanism is defined by the ZMTP 3.0 specification: http://rfc.zeromq.org/spec:23. This is the default security mechanism for ZeroMQ sockets.
This page was written by the 0MQ community. To make a change please read the 0MQ Contribution Policy at https://zeromq.org/how-to-contribute/.