freeradius 2.1.10 WARNING: Internal sanity check failed

13 Jan 2011

      Hi,

I am configuring a freeradius for a institution for eduroam purposes, using
Fedora 13 and with freeradius 2.1.10. The only EAP type supported is
EAP-TTLS/PAP. I attach the radius -X output:

FreeRADIUS Version 2.1.10, for host x86_64-redhat-linux-gnu, built on Oct 19
2010 at 20:00:35
Copyright (C) 1999-2009 The FreeRADIUS server project and contributors. 
There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A 
PARTICULAR PURPOSE. 
You may redistribute copies of FreeRADIUS under the terms of the 
GNU General Public License v2. 
Starting - reading configuration files ...
including configuration file /etc/raddb/radiusd.conf
including configuration file /etc/raddb/proxy.conf
including configuration file /etc/raddb/clients.conf
including files in directory /etc/raddb/modules/
including configuration file /etc/raddb/modules/pap
including configuration file /etc/raddb/modules/mac2vlan
including configuration file /etc/raddb/modules/policy
including configuration file /etc/raddb/modules/always
including configuration file /etc/raddb/modules/linelog
including configuration file /etc/raddb/modules/attr_rewrite
including configuration file /etc/raddb/modules/checkval
including configuration file /etc/raddb/modules/dynamic_clients
including configuration file /etc/raddb/modules/detail.log
including configuration file /etc/raddb/modules/wimax
including configuration file /etc/raddb/modules/sql_log
including configuration file /etc/raddb/modules/files
including configuration file /etc/raddb/modules/counter
including configuration file /etc/raddb/modules/preprocess
including configuration file /etc/raddb/modules/cui
including configuration file /etc/raddb/modules/inner-eap
including configuration file /etc/raddb/modules/exec
including configuration file /etc/raddb/modules/perl
including configuration file /etc/raddb/modules/sqlcounter_expire_on_login
including configuration file /etc/raddb/modules/unix
including configuration file /etc/raddb/modules/realm
including configuration file /etc/raddb/modules/digest
including configuration file /etc/raddb/modules/ippool
including configuration file /etc/raddb/modules/expr
including configuration file /etc/raddb/modules/mschap
including configuration file /etc/raddb/modules/passwd
including configuration file /etc/raddb/modules/radutmp
including configuration file /etc/raddb/modules/ntlm_auth
including configuration file /etc/raddb/modules/expiration
including configuration file /etc/raddb/modules/sradutmp
including configuration file /etc/raddb/modules/logintime
including configuration file /etc/raddb/modules/etc_group
including configuration file /etc/raddb/modules/chap
including configuration file /etc/raddb/modules/smsotp
including configuration file /etc/raddb/modules/echo
including configuration file /etc/raddb/modules/opendirectory
including configuration file /etc/raddb/modules/detail
including configuration file /etc/raddb/modules/mac2ip
including configuration file /etc/raddb/modules/acct_unique
including configuration file /etc/raddb/modules/smbpasswd
including configuration file /etc/raddb/modules/pam
including configuration file /etc/raddb/modules/attr_filter
including configuration file /etc/raddb/modules/otp
including configuration file /etc/raddb/modules/detail.example.com
including configuration file /etc/raddb/eap.conf
including configuration file /etc/raddb/policy.conf
including files in directory /etc/raddb/sites-enabled/
including configuration file /etc/raddb/sites-enabled/default
including configuration file /etc/raddb/sites-enabled/control-socket
including configuration file /etc/raddb/sites-enabled/inner-tunnel
main {
        user = "radiusd"
        group = "radiusd"
        allow_core_dumps = no
}
including dictionary file /etc/raddb/dictionary
main {
        prefix = "/usr"
        localstatedir = "/var"
        logdir = "/var/log/radius"
        libdir = "/usr/lib64/freeradius"
        radacctdir = "/var/log/radius/radacct"
        hostname_lookups = no
        max_request_time = 30
        cleanup_delay = 5
        max_requests = 1024
        pidfile = "/var/run/radiusd/radiusd.pid"
        checkrad = "/usr/sbin/checkrad"
        debug_level = 0
        proxy_requests = yes
 log {
        stripped_names = no
        auth = yes
        auth_badpass = yes
        auth_goodpass = yes
 }
 security {
        max_attributes = 200
        reject_delay = 1
        status_server = yes
 }
}
radiusd: #### Loading Realms and Home Servers ####
 proxy server {
        retry_delay = 5
        retry_count = 3
        default_fallback = yes
        dead_time = 120
        wake_all_if_all_dead = no
 }
 realm NULL {
        nostrip
		authhost = LOCAL
        accthost = LOCAL
 }
 realm DEFAULT {
        nostrip
        authhost = X.X.X.X:1812
        accthost = X.X.X.X:1813
        secret = verysecret
 }
 realm irta.cat {
        nostrip
        authhost = 192.168.1.34
        accthost = 192.168.1.34
        secret = ******
 }
 realm irta.es {
        nostrip
        authhost = 192.168.1.34
        accthost = 192.168.1.34
        secret = ******
 }
 realm IRTA_NT {
        nostrip
        authhost = 192.168.1.34
        accthost = 192.168.1.34
        secret = ******
 }
radiusd: #### Loading Clients ####
 client localhost {
        ipaddr = 127.0.0.1
        require_message_authenticator = no
        secret = "testing123"
        nastype = "other"
 }
 client X.X.X.X {
        require_message_authenticator = no
        secret = "******"
        shortname = "RADIUS_Anella"
 }
 client X.X.X.X0 {
        require_message_authenticator = no
        secret = "******"
        shortname = "ISA"
 }
 client X.X.X.X1 {
        require_message_authenticator = no
        secret = "******"
        shortname = "ISA"
 }
 client X.X.X.X2 {
        require_message_authenticator = no
        secret = "******"
        shortname = "ISA"
 }
 client 172.18.1.10 {
        require_message_authenticator = no
        secret = "******"
        shortname = "WLC_SSCC"
 }
 client 172.18.2.10 {
        require_message_authenticator = no
        secret = "******"
        shortname = "WLC_Cabrils"
 }
 client 172.18.3.10 {
        require_message_authenticator = no
        secret = "******"
        shortname = "WLC_Monells"
 }
 client 172.18.5.10 {
        require_message_authenticator = no
        secret = "******"
        shortname = "WLC_Lleida"
 }
 client 172.18.6.10 {
        require_message_authenticator = no
        secret = "******"
        shortname = "WLC_Mas_de_Bover"
 }
 client 172.18.8.10 {
        require_message_authenticator = no
        secret = "******"
        shortname = "WLC_Sant_Carles_Rapita_Ebre"
 }
 client 172.18.10.10 {
        require_message_authenticator = no
        secret = "******"
        shortname = "WLC_Torra_Marimon"
 }
radiusd: #### Instantiating modules ####
 instantiate {
 Module: Linked to module rlm_exec
 Module: Instantiating module "exec" from file /etc/raddb/modules/exec
  exec {
        wait = no
        input_pairs = "request"
        shell_escape = yes
  }
 Module: Linked to module rlm_expr
 Module: Instantiating module "expr" from file /etc/raddb/modules/expr
 Module: Linked to module rlm_expiration
 Module: Instantiating module "expiration" from file
/etc/raddb/modules/expiration
  expiration {
        reply-message = "Password Has Expired  "
  }
 Module: Linked to module rlm_logintime
 Module: Instantiating module "logintime" from file
/etc/raddb/modules/logintime
  logintime {
        reply-message = "You are calling outside your allowed timespan  "
        minimum-timeout = 60
  }
 }
radiusd: #### Loading Virtual Servers ####
server inner-tunnel { # from file /etc/raddb/sites-enabled/inner-tunnel
 modules {
 Module: Checking authenticate {...} for more modules to load
 Module: Linked to module rlm_pap
 Module: Instantiating module "pap" from file /etc/raddb/modules/pap
  pap {
        encryption_scheme = "auto"
        auto_header = no
  }
 Module: Linked to module rlm_chap
 Module: Instantiating module "chap" from file /etc/raddb/modules/chap
 Module: Linked to module rlm_mschap
 Module: Instantiating module "mschap" from file /etc/raddb/modules/mschap
  mschap {
        use_mppe = yes
        require_encryption = no
        require_strong = no
        with_ntdomain_hack = no
  }
 Module: Linked to module rlm_unix

 Module: Instantiating module "unix" from file /etc/raddb/modules/unix
  unix {
        radwtmp = "/var/log/radius/radwtmp"
  }
 Module: Linked to module rlm_eap
 Module: Instantiating module "eap" from file /etc/raddb/eap.conf
  eap {
        default_eap_type = "ttls"
        timer_expire = 60
        ignore_unknown_eap_types = yes
        cisco_accounting_username_bug = yes
        max_sessions = 4096
  }
 Module: Linked to sub-module rlm_eap_md5
 Module: Instantiating eap-md5
 Module: Linked to sub-module rlm_eap_leap
 Module: Instantiating eap-leap
 Module: Linked to sub-module rlm_eap_gtc
 Module: Instantiating eap-gtc
   gtc {
        challenge = "Password: "
        auth_type = "PAP"
   }
 Module: Linked to sub-module rlm_eap_tls
 Module: Instantiating eap-tls
   tls {
        rsa_key_exchange = no
        dh_key_exchange = yes
        rsa_key_length = 512
        dh_key_length = 512
        verify_depth = 0
        pem_file_type = yes
        private_key_file = "/etc/raddb/certs/sr013_irta_es.key"
        certificate_file = "/etc/raddb/certs/certificat_es.cer"
        CA_file = "/etc/raddb/certs/ca.pem"
        private_key_password = "******"
        dh_file = "/etc/raddb/certs/dh"
        random_file = "/etc/raddb/certs/random"
        fragment_size = 1024
        include_length = yes
        check_crl = no
        cipher_list = "DEFAULT"
    cache {
        enable = no
        lifetime = 24
        max_entries = 255
    }
   }
 Module: Linked to sub-module rlm_eap_ttls
 Module: Instantiating eap-ttls
   ttls {
        default_eap_type = "md5"
        copy_request_to_tunnel = yes
        use_tunneled_reply = yes
        virtual_server = "inner-tunnel"
        include_length = yes
   }
 Module: Linked to sub-module rlm_eap_peap
 Module: Instantiating eap-peap
   peap {
        default_eap_type = "mschapv2"
        copy_request_to_tunnel = no
        use_tunneled_reply = no
        proxy_tunneled_request_as_eap = yes
        virtual_server = "inner-tunnel"
   }
 Module: Linked to sub-module rlm_eap_mschapv2
 Module: Instantiating eap-mschapv2
   mschapv2 {
        with_ntdomain_hack = no
   }
 Module: Checking authorize {...} for more modules to load
 Module: Linked to module rlm_realm
 Module: Instantiating module "suffix" from file /etc/raddb/modules/realm
  realm suffix {
        format = "suffix"
        delimiter = "@"
        ignore_default = no
        ignore_null = no
  }
 Module: Instantiating module "ntdomain" from file /etc/raddb/modules/realm
  realm ntdomain {
        format = "prefix"
        delimiter = "\"
        ignore_default = no
        ignore_null = no
  }
 Module: Linked to module rlm_files
 Module: Instantiating module "files" from file /etc/raddb/modules/files
  files {
        usersfile = "/etc/raddb/users"
        acctusersfile = "/etc/raddb/acct_users"
        preproxy_usersfile = "/etc/raddb/preproxy_users"
        compat = "no"
  }
 Module: Checking session {...} for more modules to load
 Module: Linked to module rlm_radutmp
 Module: Instantiating module "radutmp" from file /etc/raddb/modules/radutmp
  radutmp {
        filename = "/var/log/radius/radutmp"
        username = "%{User-Name}"
        case_sensitive = yes
        check_with_nas = yes
        perm = 384
        callerid = yes
  }
 Module: Checking pre-proxy {...} for more modules to load
 Module: Linked to module rlm_detail
 Module: Instantiating module "pre_proxy_log" from file
/etc/raddb/modules/detail.log
  detail pre_proxy_log {
        detailfile =
"/var/log/radius/radacct/%{Client-IP-Address}/pre-proxy-detail-%Y%m%d"
        header = "%t"
        detailperm = 384
        dirperm = 493
        locking = no
        log_packet_header = no
  }
 Module: Checking post-proxy {...} for more modules to load
 Module: Instantiating module "post_proxy_log" from file
/etc/raddb/modules/detail.log
  detail post_proxy_log {
        detailfile =
"/var/log/radius/radacct/%{Client-IP-Address}/post-proxy-detail-%Y%m%d"
        header = "%t"
        detailperm = 384
        dirperm = 493
        locking = no
        log_packet_header = no
  }
 Module: Checking post-auth {...} for more modules to load
 Module: Linked to module rlm_attr_filter
 Module: Instantiating module "attr_filter.access_reject" from file
/etc/raddb/modules/attr_filter
  attr_filter attr_filter.access_reject {
        attrsfile = "/etc/raddb/attrs.access_reject"
        key = "%{User-Name}"
  }
 } # modules
} # server
server { # from file /etc/raddb/radiusd.conf
 modules {
 Module: Checking authenticate {...} for more modules to load
 Module: Linked to module rlm_digest
 Module: Instantiating module "digest" from file /etc/raddb/modules/digest
 Module: Checking authorize {...} for more modules to load
 Module: Linked to module rlm_preprocess
 Module: Instantiating module "preprocess" from file
/etc/raddb/modules/preprocess
  preprocess {
        huntgroups = "/etc/raddb/huntgroups"
        hints = "/etc/raddb/hints"
        with_ascend_hack = no
        ascend_channels_per_line = 23
        with_ntdomain_hack = no
        with_specialix_jetstream_hack = no
        with_cisco_vsa_hack = no
        with_alvarion_vsa_hack = no
  }
 Module: Checking preacct {...} for more modules to load
 Module: Linked to module rlm_acct_unique
 Module: Instantiating module "acct_unique" from file
/etc/raddb/modules/acct_unique
  acct_unique {
        key = "User-Name, Acct-Session-Id, NAS-IP-Address,
Client-IP-Address, NAS-Port"
  }
 Module: Checking accounting {...} for more modules to load
 Module: Instantiating module "detail" from file /etc/raddb/modules/detail
  detail {
        detailfile =
"/var/log/radius/radacct/%{Client-IP-Address}/detail-%Y%m%d"
        header = "%t"
        detailperm = 384
        dirperm = 493
        locking = no
        log_packet_header = no
  }
 Module: Instantiating module "attr_filter.accounting_response" from file
/etc/raddb/modules/attr_filter
  attr_filter attr_filter.accounting_response {
        attrsfile = "/etc/raddb/attrs.accounting_response"
        key = "%{User-Name}"
  }
 Module: Checking session {...} for more modules to load
 Module: Checking post-proxy {...} for more modules to load
 Module: Checking post-auth {...} for more modules to load
 } # modules
} # server
radiusd: #### Opening IP addresses and Ports ####
listen {
        type = "auth"
        ipaddr = X.X.X.X
        port = 1812
}
listen {
        type = "acct"
        ipaddr = X.X.X.X
        port = 1813
}
listen {
        type = "control"
 listen {
        socket = "/var/run/radiusd/radiusd.sock"
 }
}
listen {
        type = "auth"
        ipaddr = 127.0.0.1
        port = 18120
}
Listening on authentication address X.X.X.X port 1812
Listening on accounting address X.X.X.X port 1813
Listening on command file /var/run/radiusd/radiusd.sock
Listening on authentication address 127.0.0.1 port 18120 as server
inner-tunnel
Listening on proxy address X.X.X.X port 1814
Ready to process requests.

Using a client with Windows 7 and supplicant SecureW2 I get the next
warning:

rad_recv: Access-Request packet from host X.X.X.X port 46577, id=9,
length=203
        User-Name = ************
        Calling-Station-Id = "00-26-B6-59-F1-EA"
        Called-Station-Id = "00-22-55-F1-80-B0:eduroam"
        NAS-Port = 1
        NAS-IP-Address = 172.18.1.10
        NAS-Identifier = "WLC_SSCC"
        Airespace-Wlan-Id = 1
        Service-Type = Framed-User
        Framed-MTU = 1300
        NAS-Port-Type = Wireless-802.11
        Tunnel-Type:0 = VLAN
        Tunnel-Medium-Type:0 = IEEE-802
        Tunnel-Private-Group-Id:0 = "50"
        EAP-Message = 0x0203001a0170726f7665735f697274614063657363612e636174
        Message-Authenticator = 0xce819241867a6c729cd1ce2fbc6f1871
# Executing section authorize from file /etc/raddb/sites-enabled/default
+- entering group authorize {...}
++[preprocess] returns ok
++[chap] returns noop
++[mschap] returns noop
++[digest] returns noop
[suffix] Looking up realm "cesca.cat" for User-Name = ************
[suffix] Found realm "DEFAULT"
[suffix] Adding Realm = "DEFAULT"
[suffix] Proxying request from user ************ to realm DEFAULT
[suffix] Preparing to proxy authentication request to realm "DEFAULT" 
++[suffix] returns updated
[eap] Request is supposed to be proxied to Realm DEFAULT.  Not doing EAP.
++[eap] returns noop
++[files] returns noop
++[expiration] returns noop
++[logintime] returns noop
++[pap] returns noop
  WARNING: Empty pre-proxy section.  Using default return values.
Sending Access-Request of id 158 to 84.88.0.19 port 1812
        User-Name = ************
        Calling-Station-Id = "00-26-B6-59-F1-EA"
        Called-Station-Id = "00-22-55-F1-80-B0:eduroam"
        NAS-Port = 1
        NAS-IP-Address = 172.18.1.10
        NAS-Identifier = "WLC_SSCC"
        Airespace-Wlan-Id = 1
        Service-Type = Framed-User
        Framed-MTU = 1300
        NAS-Port-Type = Wireless-802.11
        Tunnel-Type:0 = VLAN
        Tunnel-Medium-Type:0 = IEEE-802
        Tunnel-Private-Group-Id:0 = "50"
        EAP-Message = 0x0203001a0170726f7665735f697274614063657363612e636174
        Message-Authenticator = 0x00000000000000000000000000000000
        Proxy-State = 0x39
Proxying request 2 to home server 84.88.0.19 port 1812
Sending Access-Request of id 158 to 84.88.0.19 port 1812
        User-Name = ************
        Calling-Station-Id = "00-26-B6-59-F1-EA"
        Called-Station-Id = "00-22-55-F1-80-B0:eduroam"
        NAS-Port = 1
        NAS-IP-Address = 172.18.1.10
        NAS-Identifier = "WLC_SSCC"
        Airespace-Wlan-Id = 1
        Service-Type = Framed-User
        Framed-MTU = 1300
        NAS-Port-Type = Wireless-802.11
        Tunnel-Type:0 = VLAN
        Tunnel-Medium-Type:0 = IEEE-802
        Tunnel-Private-Group-Id:0 = "50"
        EAP-Message = 0x0203001a0170726f7665735f697274614063657363612e636174
        Message-Authenticator = 0x00000000000000000000000000000000
        Proxy-State = 0x39
Going to the next request
Waking up in 0.9 seconds.
Waking up in 12.9 seconds.
rad_recv: Access-Request packet from host X.X.X.X port 46577, id=9,
length=203
Sending duplicate proxied request to home server 84.88.0.19 port 1812 - ID:
158
Sending Access-Request of id 158 to 84.88.0.19 port 1812
        User-Name = ************
        Calling-Station-Id = "00-26-B6-59-F1-EA"
        Called-Station-Id = "00-22-55-F1-80-B0:eduroam"
        NAS-Port = 1
        NAS-IP-Address = 172.18.1.10
        NAS-Identifier = "WLC_SSCC"
        Airespace-Wlan-Id = 1
        Service-Type = Framed-User
        Framed-MTU = 1300
        NAS-Port-Type = Wireless-802.11
        Tunnel-Type:0 = VLAN
        Tunnel-Medium-Type:0 = IEEE-802
        Tunnel-Private-Group-Id:0 = "50"
        EAP-Message = 0x0203001a0170726f7665735f697274614063657363612e636174
        Message-Authenticator = 0x00000000000000000000000000000000
        Proxy-State = 0x39
Waking up in 11.9 seconds.
rad_recv: Access-Request packet from host X.X.X.X port 46577, id=9,
length=203
Sending duplicate proxied request to home server 84.88.0.19 port 1812 - ID:
158
Sending Access-Request of id 158 to 84.88.0.19 port 1812
        User-Name = ************
        Calling-Station-Id = "00-26-B6-59-F1-EA"
        Called-Station-Id = "00-22-55-F1-80-B0:eduroam"
        NAS-Port = 1
        NAS-IP-Address = 172.18.1.10
        NAS-Identifier = "WLC_SSCC"
        Airespace-Wlan-Id = 1
        Service-Type = Framed-User
        Framed-MTU = 1300
        NAS-Port-Type = Wireless-802.11
        Tunnel-Type:0 = VLAN
        Tunnel-Medium-Type:0 = IEEE-802
        Tunnel-Private-Group-Id:0 = "50"
        EAP-Message = 0x0203001a0170726f7665735f697274614063657363612e636174
        Message-Authenticator = 0x00000000000000000000000000000000
        Proxy-State = 0x39
Waking up in 9.9 seconds.
rad_recv: Access-Request packet from host X.X.X.X port 46577, id=9,
length=203
Sending duplicate proxied request to home server 84.88.0.19 port 1812 - ID:
158
Sending Access-Request of id 158 to 84.88.0.19 port 1812
        User-Name = ************
        Calling-Station-Id = "00-26-B6-59-F1-EA"
        Called-Station-Id = "00-22-55-F1-80-B0:eduroam"
        NAS-Port = 1
        NAS-IP-Address = 172.18.1.10
        NAS-Identifier = "WLC_SSCC"
        Airespace-Wlan-Id = 1
        Service-Type = Framed-User
        Framed-MTU = 1300
        NAS-Port-Type = Wireless-802.11
        Tunnel-Type:0 = VLAN
        Tunnel-Medium-Type:0 = IEEE-802
        Tunnel-Private-Group-Id:0 = "50"
        EAP-Message = 0x0203001a0170726f7665735f697274614063657363612e636174
        Message-Authenticator = 0x00000000000000000000000000000000
        Proxy-State = 0x39
Waking up in 7.9 seconds.
rad_recv: Access-Request packet from host X.X.X.X port 46577, id=9,
length=203
Sending duplicate proxied request to home server 84.88.0.19 port 1812 - ID:
158
Sending Access-Request of id 158 to 84.88.0.19 port 1812
        User-Name = ************
        Calling-Station-Id = "00-26-B6-59-F1-EA"
        Called-Station-Id = "00-22-55-F1-80-B0:eduroam"
        NAS-Port = 1
        NAS-IP-Address = 172.18.1.10
        NAS-Identifier = "WLC_SSCC"
        Airespace-Wlan-Id = 1
        Service-Type = Framed-User
        Framed-MTU = 1300
        NAS-Port-Type = Wireless-802.11
        Tunnel-Type:0 = VLAN
        Tunnel-Medium-Type:0 = IEEE-802
        Tunnel-Private-Group-Id:0 = "50"
        EAP-Message = 0x0203001a0170726f7665735f697274614063657363612e636174
        Message-Authenticator = 0x00000000000000000000000000000000
        Proxy-State = 0x39
Waking up in 5.9 seconds.
rad_recv: Access-Request packet from host X.X.X.X port 46577, id=9,
length=203
Sending duplicate proxied request to home server 84.88.0.19 port 1812 - ID:
158
Sending Access-Request of id 158 to 84.88.0.19 port 1812
        User-Name = ************
        Calling-Station-Id = "00-26-B6-59-F1-EA"
        Called-Station-Id = "00-22-55-F1-80-B0:eduroam"
        NAS-Port = 1
        NAS-IP-Address = 172.18.1.10
        NAS-Identifier = "WLC_SSCC"
        Airespace-Wlan-Id = 1
        Service-Type = Framed-User
        Framed-MTU = 1300
        NAS-Port-Type = Wireless-802.11
        Tunnel-Type:0 = VLAN
        Tunnel-Medium-Type:0 = IEEE-802
        Tunnel-Private-Group-Id:0 = "50"
        EAP-Message = 0x0203001a0170726f7665735f697274614063657363612e636174
        Message-Authenticator = 0x00000000000000000000000000000000
        Proxy-State = 0x39
Waking up in 3.9 seconds.
WARNING: Internal sanity check failed in event handler for request 2:
Discarding the request!
Ready to process requests.

So I have mainly tho doubts:

First, one why this warning happens and how to solve it.
Second one, is it normal that EAP-TTLS does not begin?

Thanks in advance,

Joan.
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freeradius 2.1.10 WARNING: Internal sanity check failed

joanroldan