Add support for PAM (Pluggable Authentication Modules)DANGEROUS to arbitrarily flip

Packages describing “pam” as local USE flag

Package “pam” Flag Description
dev-db/mariadb Enable the optional PAM authentication plugin for the server
sys-apps/util-linux build runuser helper
sys-auth/oath-toolkit Build PAM module for pluggable login authentication for OATH
media-sound/jack-audio-connection-kit Add basic realtime configuration via sys-auth/realtime-base
media-sound/jack2 Add basic realtime configuration via sys-auth/realtime-base
net-misc/quagga Add support for PAM (via sys-libs/pam) to the Quagga Virtual Terminal Interface Shell (vtysh); if the readline USE flag is disabled, this flag is ignored
sys-fs/zfs Install zfs_key pam module, for automatically loading zfs encryption keys for home datasets
sys-process/fcron Enable PAM support for fcron. This means that fcron will pass through the "fcron" stack before executing the jobs, and fcrontab will use the "fcrontab" stack to authenticate the user before editing its crontab file.
net-misc/hylafaxplus hfaxd authentication via PAM

All packages providing a “pam” USE flag (102)