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QNX Software Development Platform
QNX SDP is a cross-compiling and debugging environment, including an IDE and command-line tools, for building binary images and programs for target boards running the QNX OS 8.0.
Utilities & Libraries
PAM Reference
PAM Modules
pam_deny
Deny the authentication request.

QNX Momentics IDE User's Guide
This User's Guide describes version 8.0 of the Integrated Development Environment (IDE) that's part of the QNX Tool Suite.
QNX Software Development Platform
QNX SDP is a cross-compiling and debugging environment, including an IDE and command-line tools, for building binary images and programs for target boards running the QNX OS 8.0.
- Quickstart Guide
- System Architecture
  The System Architecture guide accompanies the QNX OS and is intended for both application developers and end-users.
- OS Components & Operations
- Graphics
- Programming
- System Security Guide
  The QNX System Security Guide is intended for both system integrators who are responsible for the security of a QNX OS system and developers who want to create a QNX OS resource manager free from vulnerabilities.
- Utilities & Libraries
  - C Library Reference
  - Devctl and Ioctl Commands
  - JSON Library Reference
  - PAM Reference
    - PAM Modules
      - pam_deny
        Deny the authentication request.
      - pam_echo
        Displays a message
      - pam_exec
        Execute a command
      - pam_group
        Consider group membership.
      - pam_permit
        Allow the authentication request.
      - pam_qnx
        Legacy behavior (comparable to previous versions of QNX).
      - pam_rootok
        Check for UID 0.
      - pam_secpol
        Determines the type that should be associated with the user and switches to it if a security policy is loaded.
      - pam_self
        Self-authentication service.
  - QNX Helpers Developer's Guide
    These libraries provide QNX helpers, including helpers that assist with logging, string conversion, and number and type sizes.
  - SPI Framework Technote
  - Utilities Reference
  - WPA Control Interface Reference
    This document provides a reference for the Wi-Fi Protected Access (WPA) control interface, which provides a C API for the WPA/IEEE 802.11i protocols in Wi-Fi client stations. Application developers who want to control WPA operations and get associated status and event data should read this reference.
- Migrating to QNX OS 8.0
QNX Software in the Cloud
QNX Toolkit for Visual Studio Code
This User's Guide describes the QNX^® Toolkit for Visual Studio Code. The guide introduces you to the QNX Toolkit by explaining the QNX development environment and how to build, run, and debug your QNX^® Operating System (OS) applications and systems.
Typographical Conventions, Support, and Licensing
This section describes the typographical conventions used throughout the documentation, explains how to obtain technical support, and provides some information about licensing.

pam_deny

QNX SDP8.0PAM ReferenceConfigurationUser

Deny the authentication request.

Syntax:

facility control_flag pam_deny.so [debug] [nowarn]

Options:

debug: Write a LOG_DEBUG message to the system log.
nowarn: Turns off warnings so that the user does not ever see them. Don't use this option if anyone needs to know why their authentication was denied.

Description:

Use the pam_deny module for testing purposes to reject all authentication requests.

Note:

The PAM module syntax does not stand alone and is contained within the context of the PAM configuration command. See the System Security Guide for more information about system authentication, configuring PAM, facilities, control flags, examples, and how QNX OS uses the OpenPAM framework.

Service category:

This module belongs to all of the PAM service categories:

auth
account
session
password

Exit status:

Always returns failure.

Page updated: August 09, 2024