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PAM_ALLOW 7 "August 19, 2023"
NAME
pam_allow - PAM authentication, account, session and password management PAM module to allow operations
SYNOPSIS
pam_allow.so.1
DESCRIPTION
The pam_allow module implements all the PAM service module functions and returns PAM_SUCCESS for all calls. Opposite functionality is available in the pam_deny(7) module.

Proper authentication operation requires pam_unix_cred(7) be stacked above pam_allow.

The following options are interpreted: debug

Provides syslog(3C) debugging information at the LOG_AUTH | LOG_DEBUG level.

ERRORS
PAM_SUCCESS is always returned.
EXAMPLES
Example 1 Allowing ssh none

The following example is a pam.conf fragment that illustrates a sample for allowing ssh none authentication:

sshd-none auth required pam_unix_cred.so.1
sshd-none auth sufficient pam_allow.so.1
sshd-none account sufficient pam_allow.so.1
sshd-none session sufficient pam_allow.so.1
sshd-none password sufficient pam_allow.so.1

Example 2 Allowing Kiosk Automatic Login Service

The following is example is a pam.conf fragment that illustrates a sample for allowing gdm kiosk auto login:

gdm-autologin auth required pam_unix_cred.so.1
gdm-autologin auth sufficient pam_allow.so.1
ATTRIBUTES
See attributes(7) for descriptions of the following attributes:
ATTRIBUTE TYPE ATTRIBUTE VALUE
Interface Stability Stable
MT Level MT-Safe with exceptions
SEE ALSO
syslog (3C), libpam (3LIB), pam (3PAM), pam_sm (3PAM), pam.conf (5), attributes (7), pam_deny (7), pam_unix_cred (7)
NOTES
The interfaces in libpam(3LIB) are MT-Safe only if each thread within the multi-threaded application uses its own PAM handle.

This module is intended to be used to either allow access to specific services names, or to all service names not specified (by specifying it as the default service stack).