Hi All, After some time spent on PostgreSQL Radius Configuration, I came up with the following steps to configure PostgreSQL with Radius authentication Configuration. Please correct me, if any where i'm wrong. Step 1 ===== We have Downloaded radius server from below link and installed it in local machine. http://freeradius.org/download.html Step2 ===== radiusd.conf ------------------ prefix = /usr/local exec_prefix = ${prefix} sysconfdir = ${prefix}/etc localstatedir = ${prefix}/var sbindir = ${exec_prefix}/sbin logdir = ${localstatedir}/log/radius raddbdir = ${sysconfdir}/raddb radacctdir = ${logdir}/radacct name = radiusd confdir = ${raddbdir} run_dir = ${localstatedir}/run/${name} db_dir = ${raddbdir} libdir = ${exec_prefix}/lib pidfile = ${run_dir}/${name}.pid max_request_time = 30 cleanup_delay = 5 max_requests = 1024 listen { type = auth ipaddr = * port = 1999 } listen { ipaddr = * port...