sample.pam

#%PAM-1.0
auth       required     /lib/security/pam_tacplus.so debug server=1.1.1.1 server=2.2.2.2:49 secret=SAME-SECRET
account    required     /lib/security/pam_tacplus.so debug service=ppp protocol=lcp
account    sufficient   /lib/security/pam_exec.so /usr/local/bin/showenv.sh
password   required     /lib/security/pam_cracklib.
password   required     /lib/security/pam_pwdb.so shadow use_authtok
session    required     /lib/security/pam_tacplus.so debug server=1.1.1.1 secret=SECRET-1 server=2.2.2.2:49 secret=SECRET-2 service=ppp protocol=lcp