login auth required /usr/lib/security/libpam_unix.1
su auth required /usr/lib/security/libpam_unix.1
dtlogin auth required /usr/lib/security/libpam_unix.1
dtaction auth required /usr/lib/security/libpam_unix.1
ftp auth required /usr/lib/security/libpam_unix.1
OTHER auth required /usr/lib/security/libpam_unix.1
log file usually reports "unix pam_sm_authenticate(login root), flags
= 0" if I open new telnet session as root, but this tracking is not
always reported in the file log. Why ?