Thank you very very much Mr.Fajar. After making changes in /etc/pam.d/login it's working. authentication request is coming to freeradius server and authentication is successful. :)<div><br></div><div>Thanks &amp; Regards,</div><div>Vijay S.</div><br><A HREF="http://sigads.rediff.com/RealMedia/ads/click_nx.ads/www.rediffmail.com/signatureline.htm@Middle?" target="_blank"><IMG SRC="http://sigads.rediff.com/RealMedia/ads/adstream_nx.ads/www.rediffmail.com/signatureline.htm@Middle"></A>