Hi there, i installed a new server with ubuntu 8.04 lts and freeradius 2.1.0 behind this radius are 2 other radius-server (failover) after configuration i always get an error-message after succesfull login of an user. Error: Received Accounting-Response packet from client x.x.xx port 1813 with invalid signature (err=2)! (Shared secret is incorrect.) Dropping packet without response. ...after 30 sec. again this is the debug: rad_recv: Accounting-Request packet from host x.x.x.x port 3989, id=185, length=135 User-Name = \"111111@test\" NAS-Port = 1967 Service-Type = Framed-User Framed-Protocol = PPP Framed-IP-Address = 172.x.x.x Class = 0x346d613475 Calling-Station-Id = \"x.x.x.x\" Acct-Status-Type = Start Acct-Session-Id = \"DB900337\" Tunnel-Client-Endpoint:0 = \"x.x.x.x\" Acct-Authentic = RADIUS Acct-Delay-Time = 0 NAS-IP-Address = 172x.x.x NAS-Port-Type = Virtual +- entering group preacct {...} ++[preprocess] returns ok [acct_unique] Hashing \'NAS-Port = 1967,Client-IP-Address = 172.x.x.x,NAS-IP-Address = 172.x.x.x,Acct-Session-Id = \"DB900337\",User-Name = \"111111@test\"\' [acct_unique] Acct-Unique-Session-ID = \"a6246460a4bd5acf\". ++[acct_unique] returns ok [suffix] Looking up realm \"test\" for User-Name = \"111111@test\" [suffix] Found realm \"test\" [suffix] Adding Realm = \"test\" [suffix] Proxying request from user 111111 to realm test [suffix] Preparing to proxy accounting request to realm \"test\" ++[suffix] returns updated [prefix] Request already proxied. Ignoring. ++[prefix] returns ok ++[files] returns noop +- entering group accounting {...} expand: /var/log/freeradius/radacct/%{Client-IP-Address}/detail-%Y%m%d -> /var/log/freeradius/radacct/172.x.x.x/detail-20090707 [detail] /var/log/freeradius/radacct/%{Client-IP-Address}/detail-%Y%m%d expands to /var/log/freeradius/radacct/172.x.x.x/detail-20090707 expand: %t -> Tue Jul 7 13:42:39 2009 ++[detail] returns ok expand: /var/log/freeradius/radutmp -> /var/log/freeradius/radutmp expand: %{User-Name} -> 111111@test ++[radutmp] returns ok expand: %{User-Name} -> 111111@test attr_filter: Matched entry DEFAULT at line 12 ++[attr_filter.accounting_response] returns updated Sending Accounting-Request of id 252 to 172.y.y.y port 1813 User-Name = \"111111@test\" NAS-Port = 1967 Service-Type = Framed-User Framed-Protocol = PPP Framed-IP-Address = 172.x.x.x Class = 0x346d613475 Calling-Station-Id = \"x.x.x.x\" Acct-Status-Type = Start Acct-Session-Id = \"DB900337\" Tunnel-Client-Endpoint:0 = \"x.x.x.x\" Acct-Authentic = RADIUS Acct-Delay-Time = 0 NAS-IP-Address = 172x.x.x NAS-Port-Type = Virtual Proxy-State = 0x313835 Proxying request 0 to home server 172.y.y.y port 1813 Sending Accounting-Request of id 252 to 172.y.y.y port 1813 User-Name = \"111111@test\" NAS-Port = 1967 Service-Type = Framed-User Framed-Protocol = PPP Framed-IP-Address = 172.x.x.x Class = 0x346d613475 Calling-Station-Id = \"x.xx.x\" Acct-Status-Type = Start Acct-Session-Id = \"DB900337\" Tunnel-Client-Endpoint:0 = \"x.x.x.x\" Acct-Authentic = RADIUS Acct-Delay-Time = 0 NAS-IP-Address = 172.x.x.x NAS-Port-Type = Virtual Proxy-State = 0x313835 Going to the next request Waking up in 0.9 seconds. rad_recv: Accounting-Response packet from host 172.y.y.y port 1813, id=252, length=140 Received Accounting-Response packet from client 172.y.y.y port 1813 with invalid signature (err=2)! (Shared secret is incorrect.) Dropping packet without response. Going to the next request Waking up in 0.9 seconds. rad_recv: Accounting-Request packet from host 172.x.x.x port 3989, id=185, length=135 Sending duplicate reply to client XXX port 3989 - ID: 185 Cleaning up request 0 ID 185 with timestamp +6 Ready to process requests. Is the second Accounting-Request the normal way? for me it looks like a repeat of the request. thanks! #adBox3 {display:none;}