redhat/zebra.pam

#%PAM-1.0
#

##### if running zebra as root:
# Only allow root (and possibly wheel) to use this because enable access
# is unrestricted.
# auth       sufficient   /lib/security/pam_rootok.so

# Uncomment the following line to implicitly trust users in the "wheel" group.
#auth       sufficient   /lib/security/pam_wheel.so trust use_uid
# Uncomment the following line to require a user to be in the "wheel" group.
#auth       required     /lib/security/pam_wheel.so use_uid
###########################################################

# If using zebra privileges and with a seperate group for vty access, then
# access can be controlled via the vty access group, and pam can simply
# check for valid user/password
#
# only allow local users.
auth       required     /lib/security/pam_securetty.so
auth       required     /lib/security/pam_stack.so service=system-auth
auth       required     /lib/security/pam_nologin.so
account    required     /lib/security/pam_stack.so service=system-auth
password   required     /lib/security/pam_stack.so service=system-auth
session    required     /lib/security/pam_stack.so service=system-auth
session    optional     /lib/security/pam_console.so