pre-proxy automatically added "NAS-IP-Address"

ichiro tanaka i_tanaka at hotmail.co.jp
Thu Oct 21 04:34:46 CEST 2010


Hi.

i have a problem proxy.
Proxying to auth-server, and "NAS-IP-Address" was automatically added by proxy.
can I stop it?

I used ntradping-1.5 and freeradius-2.1.10.

--hosts--
ntradping-1.5 10.233.55.200
proxy (freeradius-2.1.10) 10.233.36.101
auth-server (freeradius-2.1.10) 10.233.36.100

--debug log--
FreeRADIUS Version 2.1.10, for host x86_64-unknown-linux-gnu, built on Oct 20 
2010 at 15:43:53
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 /tmp/radius/etc/raddb/radiusd.conf
including configuration file /tmp/radius/etc/raddb/proxy.conf
including configuration file /tmp/radius/etc/raddb/clients.conf
including files in directory /tmp/radius/etc/raddb/modules/
including configuration file /tmp/radius/etc/raddb/modules/radutmp
including configuration file /tmp/radius/etc/raddb/modules/passwd
including configuration file /tmp/radius/etc/raddb/modules/cui
including configuration file /tmp/radius/etc/raddb/modules/opendirectory
including configuration file /tmp/radius/etc/raddb/modules/dynamic_clients
including configuration file /tmp/radius/etc/raddb/modules/ippool
including configuration file /tmp/radius/etc/raddb/modules/realm
including configuration file /tmp/radius/etc/raddb/modules/pam
including configuration file /tmp/radius/etc/raddb/modules/ldap
including configuration file /tmp/radius/etc/raddb/modules/always
including configuration file /tmp/radius/etc/raddb/modules/counter
including configuration file /tmp/radius/etc/raddb/modules/smbpasswd
including configuration file /tmp/radius/etc/raddb/modules/sql_log
including configuration file /tmp/radius/etc/raddb/modules/logintime
including configuration file /tmp/radius/etc/raddb/modules/wimax
including configuration file /tmp/radius/etc/raddb/modules/detail.example.com
including configuration file /tmp/radius/etc/raddb/modules/policy
including configuration file /tmp/radius/etc/raddb/modules/unix
including configuration file /tmp/radius/etc/raddb/modules/mschap
including configuration file /tmp/radius/etc/raddb/modules/
sqlcounter_expire_on_login
including configuration file /tmp/radius/etc/raddb/modules/files
including configuration file /tmp/radius/etc/raddb/modules/otp
including configuration file /tmp/radius/etc/raddb/modules/inner-eap
including configuration file /tmp/radius/etc/raddb/modules/perl
including configuration file /tmp/radius/etc/raddb/modules/etc_group
including configuration file /tmp/radius/etc/raddb/modules/linelog
including configuration file /tmp/radius/etc/raddb/modules/mac2vlan
including configuration file /tmp/radius/etc/raddb/modules/attr_rewrite
including configuration file /tmp/radius/etc/raddb/modules/digest
including configuration file /tmp/radius/etc/raddb/modules/sradutmp
including configuration file /tmp/radius/etc/raddb/modules/expr
including configuration file /tmp/radius/etc/raddb/modules/expiration
including configuration file /tmp/radius/etc/raddb/modules/attr_filter
including configuration file /tmp/radius/etc/raddb/modules/mac2ip
including configuration file /tmp/radius/etc/raddb/modules/pap
including configuration file /tmp/radius/etc/raddb/modules/detail
including configuration file /tmp/radius/etc/raddb/modules/detail.log
including configuration file /tmp/radius/etc/raddb/modules/smsotp
including configuration file /tmp/radius/etc/raddb/modules/krb5
including configuration file /tmp/radius/etc/raddb/modules/acct_unique
including configuration file /tmp/radius/etc/raddb/modules/echo
including configuration file /tmp/radius/etc/raddb/modules/ntlm_auth
including configuration file /tmp/radius/etc/raddb/modules/exec
including configuration file /tmp/radius/etc/raddb/modules/preprocess
including configuration file /tmp/radius/etc/raddb/modules/chap
including configuration file /tmp/radius/etc/raddb/modules/checkval
including configuration file /tmp/radius/etc/raddb/eap.conf
including configuration file /tmp/radius/etc/raddb/policy.conf
including files in directory /tmp/radius/etc/raddb/sites-enabled/
including configuration file /tmp/radius/etc/raddb/sites-enabled/control-socket
including configuration file /tmp/radius/etc/raddb/sites-enabled/default
including configuration file /tmp/radius/etc/raddb/sites-enabled/inner-tunnel
including dictionary file /tmp/radius/etc/raddb/dictionary
main {
        prefix = "/tmp/radius"
        localstatedir = "/tmp/radius/var"
        logdir = "/tmp/radius/var/log/radius"
        libdir = "/tmp/radius/lib"
        radacctdir = "/tmp/radius/var/log/radius/radacct"
        hostname_lookups = no
        max_request_time = 30
        cleanup_delay = 5
        max_requests = 1024
        pidfile = "/tmp/radius/var/run/radiusd/radiusd.pid"
        checkrad = "/tmp/radius/sbin/checkrad"
        debug_level = 0
        proxy_requests = yes
 log {
        stripped_names = no
        auth = no
        auth_badpass = no
        auth_goodpass = no
 }
 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 = no
        dead_time = 120
        wake_all_if_all_dead = no
 }
 home_server localhost {
        ipaddr = 127.0.0.1
        port = 1812
        type = "auth"
        secret = "testing123"
        response_window = 20
        max_outstanding = 65536
        require_message_authenticator = yes
        zombie_period = 40
        status_check = "status-server"
        ping_interval = 30
        check_interval = 30
        num_answers_to_alive = 3
        num_pings_to_alive = 3
        revive_interval = 120
        status_check_timeout = 4
        irt = 2
        mrt = 16
        mrc = 5
        mrd = 30
 }
 home_server_pool my_auth_failover {
        type = fail-over
        home_server = localhost
 }
 realm example.com {
        auth_pool = my_auth_failover
 }
 realm LOCAL {
 }
 realm example.jp {
        nostrip
        authhost = 10.233.36.101
        secret = secret
 }
radiusd: #### Loading Clients ####
 client localhost {
        ipaddr = 127.0.0.1
        require_message_authenticator = no
        secret = "testing123"
        nastype = "other"
 }
 client 10.233.55.200 {
        require_message_authenticator = no
        secret = "secret"
        shortname = "ntradping"
 }
radiusd: #### Instantiating modules ####
 instantiate {
 Module: Linked to module rlm_exec
 Module: Instantiating module "exec" from file /tmp/radius/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 /tmp/radius/etc/raddb/modules/
expr
 Module: Linked to module rlm_expiration
 Module: Instantiating module "expiration" from file /tmp/radius/etc/raddb/
modules/expiration
  expiration {
        reply-message = "Password Has Expired  "
  }
 Module: Linked to module rlm_logintime
 Module: Instantiating module "logintime" from file /tmp/radius/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 /tmp/radius/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 /tmp/radius/etc/raddb/modules/pap
  pap {
        encryption_scheme = "auto"
        auto_header = no
  }
 Module: Linked to module rlm_chap
 Module: Instantiating module "chap" from file /tmp/radius/etc/raddb/modules/
chap
 Module: Linked to module rlm_mschap
 Module: Instantiating module "mschap" from file /tmp/radius/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 /tmp/radius/etc/raddb/modules/
unix
  unix {
        radwtmp = "/tmp/radius/var/log/radius/radwtmp"
  }
 Module: Linked to module rlm_eap
 Module: Instantiating module "eap" from file /tmp/radius/etc/raddb/eap.conf
  eap {
        default_eap_type = "md5"
        timer_expire = 60
        ignore_unknown_eap_types = no
        cisco_accounting_username_bug = no
        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
        CA_path = "/tmp/radius/etc/raddb/certs"
        pem_file_type = yes
        private_key_file = "/tmp/radius/etc/raddb/certs/server.pem"
        certificate_file = "/tmp/radius/etc/raddb/certs/server.pem"
        CA_file = "/tmp/radius/etc/raddb/certs/ca.pem"
        private_key_password = "whatever"
        dh_file = "/tmp/radius/etc/raddb/certs/dh"
        random_file = "/tmp/radius/etc/raddb/certs/random"
        fragment_size = 1024
        include_length = yes
        check_crl = no
        cipher_list = "DEFAULT"
        make_cert_command = "/tmp/radius/etc/raddb/certs/bootstrap"
    cache {
        enable = no
        lifetime = 24
        max_entries = 255
    }
    verify {
    }
   }
 Module: Linked to sub-module rlm_eap_ttls
 Module: Instantiating eap-ttls
   ttls {
        default_eap_type = "md5"
        copy_request_to_tunnel = no
        use_tunneled_reply = no
        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 /tmp/radius/etc/raddb/modules/
realm
  realm suffix {
        format = "suffix"
        delimiter = "@"
        ignore_default = no
        ignore_null = no
  }
 Module: Linked to module rlm_files
 Module: Instantiating module "files" from file /tmp/radius/etc/raddb/modules/
files
  files {
        usersfile = "/tmp/radius/etc/raddb/users"
        acctusersfile = "/tmp/radius/etc/raddb/acct_users"
        preproxy_usersfile = "/tmp/radius/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 /tmp/radius/etc/raddb/modules/
radutmp
  radutmp {
        filename = "/tmp/radius/var/log/radius/radutmp"
        username = "%{User-Name}"
        case_sensitive = yes
        check_with_nas = yes
        perm = 384
        callerid = yes
  }
 Module: Checking post-proxy {...} for more modules to load
 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 /tmp/radius/
etc/raddb/modules/attr_filter
  attr_filter attr_filter.access_reject {
        attrsfile = "/tmp/radius/etc/raddb/attrs.access_reject"
        key = "%{User-Name}"
  }
 } # modules
} # server
server { # from file /tmp/radius/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 /tmp/radius/etc/raddb/modules/
digest
 Module: Checking authorize {...} for more modules to load
 Module: Linked to module rlm_preprocess
 Module: Instantiating module "preprocess" from file /tmp/radius/etc/raddb/
modules/preprocess
  preprocess {
        huntgroups = "/tmp/radius/etc/raddb/huntgroups"
        hints = "/tmp/radius/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 /tmp/radius/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: Linked to module rlm_detail
 Module: Instantiating module "detail" from file /tmp/radius/etc/raddb/modules/
detail
  detail {
        detailfile = "/tmp/radius/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 /tmp/
radius/etc/raddb/modules/attr_filter
  attr_filter attr_filter.accounting_response {
        attrsfile = "/tmp/radius/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 = *
        port = 0
}
listen {
        type = "acct"
        ipaddr = *
        port = 0
}
listen {
        type = "control"
 listen {
        socket = "/tmp/radius/var/run/radiusd/radiusd.sock"
 }
}
listen {
        type = "auth"
        ipaddr = 127.0.0.1
        port = 18120
}
Listening on authentication address * port 1812
Listening on accounting address * port 1813
Listening on command file /tmp/radius/var/run/radiusd/radiusd.sock
Listening on authentication address 127.0.0.1 port 18120 as server inner-tunnel
Listening on proxy address * port 1814
Ready to process requests.
rad_recv: Access-Request packet from host 10.233.55.200 port 58623, id=35, 
length=55
        User-Name = "user at example.jp"
        User-Password = "password"
# Executing section authorize from file /tmp/radius/etc/raddb/sites-enabled/
default
+- entering group authorize {...}
++[preprocess] returns ok
++[chap] returns noop
++[mschap] returns noop
++[digest] returns noop
[suffix] Looking up realm "example.jp" for User-Name = "user at example.jp"
[suffix] Found realm "example.jp"
[suffix] Adding Realm = "example.jp"
[suffix] Proxying request from user user to realm example.jp
[suffix] Preparing to proxy authentication request to realm "example.jp"
++[suffix] returns updated
[eap] No EAP-Message, 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 230 to 10.233.36.100 port 1812
        User-Name = "user at example.jp"
        User-Password = "password"
        NAS-IP-Address = 10.233.55.200
        Proxy-State = 0x3335
Proxying request 0 to home server 10.233.36.100 port 1812
Sending Access-Request of id 230 to 10.233.36.100 port 1812
        User-Name = "user at example.jp"
        User-Password = "password"
        NAS-IP-Address = 10.233.55.200
        Proxy-State = 0x3335
Going to the next request
Waking up in 0.9 seconds.
rad_recv: Access-Accept packet from host 10.233.36.100 port 1812, id=230, length
=24
        Proxy-State = 0x3335
# Executing section post-proxy from file /tmp/radius/etc/raddb/sites-enabled/
default
+- entering group post-proxy {...}
[eap] No pre-existing handler found
++[eap] returns noop
Found Auth-Type = Accept
Auth-Type = Accept, accepting the user
# Executing section post-auth from file /tmp/radius/etc/raddb/sites-enabled/
default
+- entering group post-auth {...}
++[exec] returns noop
Sending Access-Accept of id 35 to 10.233.55.200 port 58623
Finished request 0.
Going to the next request
Waking up in 4.9 seconds.
Cleaning up request 0 ID 35 with timestamp +6
Ready to process requests.



thanks for your help

ichiro tanaka



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