---
name: "zmq_null"
section: "7"
platform: "linux"
package: "zeromq"
version: "4.3.5-3"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/zmq_null"
---

# zmq\_null(7)

no security or confidentiality

## NAME

zmq\_null - no security or confidentiality

## SYNOPSIS

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.

## SEE ALSO

[**zmq\_plain**(7)](/zmq_plain/7.md) [**zmq\_curve**(7)](/zmq_curve/7.md) [**zmq**(7)](/zmq/7.md)

## AUTHORS

This page was written by the 0MQ community. To make a change please read the 0MQ Contribution Policy at **http://www.zeromq.org/docs:contributing**.