--- /dev/null
+#
+# Obsolete names for backwards compatibility with older users files.
+#
+ATTRIBUTE Client-Id 4 ipaddr
+ATTRIBUTE Client-Port-Id 5 integer
+ATTRIBUTE User-Service-Type 6 integer
+ATTRIBUTE Framed-Address 8 ipaddr
+ATTRIBUTE Framed-Netmask 9 ipaddr
+ATTRIBUTE Framed-Filter-Id 11 string
+ATTRIBUTE Login-Host 14 ipaddr
+ATTRIBUTE Login-Port 16 integer
+ATTRIBUTE Old-Password 17 string
+ATTRIBUTE Port-Message 18 string
+ATTRIBUTE Dialback-No 19 string
+ATTRIBUTE Dialback-Name 20 string
+ATTRIBUTE Challenge-State 24 string
+VALUE Framed-Compression Van-Jacobsen-TCP-IP 1
+VALUE Framed-Compression VJ-TCP-IP 1
+VALUE Service-Type Shell-User 6
+VALUE Auth-Type Unix 1
+VALUE Service-Type Dialback-Login-User 3
+VALUE Service-Type Dialback-Framed-User 4
+
+#
+# For compatibility with MERIT users files.
+#
+ATTRIBUTE NAS-Port 5 integer
+ATTRIBUTE Login-Host 14 ipaddr
+ATTRIBUTE Login-Callback-Number 19 string
+ATTRIBUTE Framed-Callback-Id 20 string
+ATTRIBUTE Client-Port-DNIS 30 string
+ATTRIBUTE Caller-ID 31 string
+VALUE Service-Type Login 1
+VALUE Service-Type Framed 2
+VALUE Service-Type Callback-Login 3
+VALUE Service-Type Callback-Framed 4
+VALUE Service-Type Exec-User 7
+
+#
+# For compatibility with ESVA RADIUS, Old Cistron RADIUS
+#
+ATTRIBUTE Session 1034 integer
+ATTRIBUTE User-Name-Is-Star 1035 integer
+VALUE User-Name-Is-Star No 0
+VALUE User-Name-Is-Star Yes 1