On Fri, 18 Aug 2006, Stephen Adler wrote: > I'm running red hat enterprise linux 4. > > > [root at qmt0 init.d]# cat /etc/pam.d/httpd > #%PAM-1.0 > auth required /lib/security/pam_unix.so > account required /lib/security/pam_unix.so > > it is there.... pam_unix.so handled authentication using /etc/passwd and /etc/shadow. You most like want system-auth, or a NIS module directly.