Fail to disable the Simultanous-use, somebody help me.

20 Nov 2008


      Hi,
  I've set up a freeradius server for Netscreen VPN  with Mysql 5.0.22 and freeradius 2.0.5, and radiusd service is runing well, I can connect the VPN, and everything seems to be ok. But we have a unique need to allow more than 1 pc to login the VPN with the same username at the same time. So the Problem is ---only 1 pc can login, if another pc login with the same username, the previous connection will logout automaticly. This sounds kind of strange 'cause I use no simultaneous-use limitation, and the Netscreen share-limit has been set upto 1000.
  I tried the following ways to solve this problem, but failed.
  1. I stop the freeradius  acct  port (1813) listen, I thought this might stop the acct information feed back to netscreen (NAS). But it turn out to be that nobody can login.
  2. I setup simul-use control with sql query, and I create a usergroup in mysql, join the username into this group, and set the Simultaneous-Use as 5 in radgroupcheck table for this group. But only 1 person can login.
  3. I Doubt That whether the radutmp limit the login, then i  comment everything about radutmp in radiusd.conf, default.conf etc. But the things turn out to be the same. Then I stop the sql simul-query, but hte same.
One strange thing: no matter what simul-query ( sql or radutmp) I use, both the radlast and the radacct table log the session.
 I'm wondering: Besides sql and radutmp, something is doing the simul-use verify job?
So i don't know where i've done wrong. Hope someone can help out.
 
here is the radiusd -X result:
[root@localhost ~]# radiusd -X
FreeRADIUS Version 2.0.5, for host i686-pc-linux-gnu, built on Aug 22 2008 at 16:32:02
Copyright (C) 1999-2008 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 /usr/local/etc/raddb/radiusd.conf
including configuration file /usr/local/etc/raddb/proxy.conf
including configuration file /usr/local/etc/raddb/clients.conf
including configuration file /usr/local/etc/raddb/snmp.conf
including files in directory /usr/local/etc/raddb/modules/
including configuration file /usr/local/etc/raddb/modules/etc_group
including configuration file /usr/local/etc/raddb/modules/checkval
including configuration file /usr/local/etc/raddb/modules/passwd
including configuration file /usr/local/etc/raddb/modules/detail
including configuration file /usr/local/etc/raddb/modules/always
including configuration file /usr/local/etc/raddb/modules/unix
including configuration file /usr/local/etc/raddb/modules/attr_rewrite
including configuration file /usr/local/etc/raddb/modules/policy
including configuration file /usr/local/etc/raddb/modules/sql_log
including configuration file /usr/local/etc/raddb/modules/detail.log
including configuration file /usr/local/etc/raddb/modules/mac2vlan
including configuration file /usr/local/etc/raddb/modules/ldap
including configuration file /usr/local/etc/raddb/modules/preprocess
including configuration file /usr/local/etc/raddb/modules/smbpasswd
including configuration file /usr/local/etc/raddb/modules/logintime
including configuration file /usr/local/etc/raddb/modules/expr
including configuration file /usr/local/etc/raddb/modules/acct_unique
including configuration file /usr/local/etc/raddb/modules/expiration
including configuration file /usr/local/etc/raddb/modules/echo
including configuration file /usr/local/etc/raddb/modules/ippool
including configuration file /usr/local/etc/raddb/modules/realm
including configuration file /usr/local/etc/raddb/modules/radutmp
including configuration file /usr/local/etc/raddb/modules/files
including configuration file /usr/local/etc/raddb/modules/attr_filter
including configuration file /usr/local/etc/raddb/modules/chap
including configuration file /usr/local/etc/raddb/modules/mac2ip
including configuration file /usr/local/etc/raddb/modules/sradutmp
including configuration file /usr/local/etc/raddb/modules/pam
including configuration file /usr/local/etc/raddb/modules/pap
including configuration file /usr/local/etc/raddb/modules/krb5
including configuration file /usr/local/etc/raddb/modules/exec
including configuration file /usr/local/etc/raddb/modules/counter
including configuration file /usr/local/etc/raddb/modules/mschap
including configuration file /usr/local/etc/raddb/modules/digest
including configuration file /usr/local/etc/raddb/eap.conf
including configuration file /usr/local/etc/raddb/sql.conf
including configuration file /usr/local/etc/raddb/sql/mysql/dialup.conf
including configuration file /usr/local/etc/raddb/sql/mysql/counter.conf
including configuration file /usr/local/etc/raddb/policy.conf
including files in directory /usr/local/etc/raddb/sites-enabled/
including configuration file /usr/local/etc/raddb/sites-enabled/default
including configuration file /usr/local/etc/raddb/sites-enabled/inner-tunnel
including dictionary file /usr/local/etc/raddb/dictionary
main {
        prefix = "/usr/local"
        localstatedir = "/usr/local/var"
        logdir = "/usr/local/var/log/radius"
        libdir = "/usr/local/lib"
        radacctdir = "/usr/local/var/log/radius/radacct"
        hostname_lookups = no
        max_request_time = 30
        cleanup_delay = 5
        max_requests = 1024
        allow_core_dumps = no
        pidfile = "/usr/local/var/run/radiusd/radiusd.pid"
        checkrad = "/usr/local/sbin/checkrad"
        debug_level = 0
        proxy_requests = yes
 log {
        stripped_names = no
        auth = yes
        auth_badpass = yes
        auth_goodpass = yes
 }
}
 client localhost {
        ipaddr = 127.0.0.1
        require_message_authenticator = no
        secret = "testing123"
        nastype = "other"
 }
 client 10.249.0.0/16 {
        require_message_authenticator = no
        secret = "testing123"
        shortname = "localhost"
        nastype = "other"
 }
 client 192.168.1.0/24 {
        require_message_authenticator = no
        secret = "testing123"
        shortname = "localhost"
        nastype = "other"
 }
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
        zombie_period = 40
        status_check = "status-server"
        ping_check = "none"
        ping_interval = 30
        check_interval = 30
        num_answers_to_alive = 3
        num_pings_to_alive = 3
        revive_interval = 120
        status_check_timeout = 4
 }
 home_server_pool my_auth_failover {
        type = fail-over
        home_server = localhost
 }
 realm example.com {
        auth_pool = my_auth_failover
 }
 realm LOCAL {
 }
radiusd: #### Instantiating modules ####
 instantiate {
 Module: Linked to module rlm_exec
 Module: Instantiating exec
  exec {
        wait = no
        input_pairs = "request"
        shell_escape = yes
  }
 Module: Linked to module rlm_expr
 Module: Instantiating expr
 Module: Linked to module rlm_expiration
 Module: Instantiating expiration
  expiration {
        reply-message = "Password Has Expired  "
  }
 Module: Linked to module rlm_logintime
 Module: Instantiating logintime
  logintime {
        reply-message = "You are calling outside your allowed timespan  "
        minimum-timeout = 60
  }
 }
radiusd: #### Loading Virtual Servers ####
server inner-tunnel {
 modules {
 Module: Checking authenticate {...} for more modules to load
 Module: Linked to module rlm_pap
 Module: Instantiating pap
  pap {
        encryption_scheme = "auto"
        auto_header = no
  }
 Module: Linked to module rlm_chap
 Module: Instantiating chap
 Module: Linked to module rlm_mschap
 Module: Instantiating mschap
  mschap {
        use_mppe = yes
        require_encryption = no
        require_strong = no
        with_ntdomain_hack = no
  }
 Module: Linked to module rlm_unix
 Module: Instantiating unix
  unix {
        radwtmp = "/usr/local/var/log/radius/radwtmp"
  }
 Module: Linked to module rlm_eap
 Module: Instantiating eap
  eap {
        default_eap_type = "md5"
        timer_expire = 60
        ignore_unknown_eap_types = no
        cisco_accounting_username_bug = no
  }
 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 = "/usr/local/etc/raddb/certs/server.pem"
        certificate_file = "/usr/local/etc/raddb/certs/server.pem"
        CA_file = "/usr/local/etc/raddb/certs/ca.pem"
        private_key_password = "whatever"
        dh_file = "/usr/local/etc/raddb/certs/dh"
        random_file = "/usr/local/etc/raddb/certs/random"
        fragment_size = 1024
        include_length = yes
        check_crl = no
        cipher_list = "DEFAULT"
        make_cert_command = "/usr/local/etc/raddb/certs/bootstrap"
   }
 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"
   }
 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 suffix
  realm suffix {
        format = "suffix"
        delimiter = "@"
        ignore_default = no
        ignore_null = no
  }
 Module: Linked to module rlm_files
 Module: Instantiating files
  files {
        usersfile = "/usr/local/etc/raddb/users"
        acctusersfile = "/usr/local/etc/raddb/acct_users"
        preproxy_usersfile = "/usr/local/etc/raddb/preproxy_users"
        compat = "no"
  }
 Module: Linked to module rlm_sql
 Module: Instantiating sql
  sql {
        driver = "rlm_sql_mysql"
        server = "localhost"
        port = ""
        login = "root"
        password = "123456"
        radius_db = "radius"
        read_groups = yes
        sqltrace = no
        sqltracefile = "/usr/local/var/log/radius/sqltrace.sql"
        readclients = no
        deletestalesessions = yes
        num_sql_socks = 5
        sql_user_name = "%{User-Name}"
        default_user_profile = ""
        nas_query = "SELECT id, nasname, shortname, type, secret FROM nas"
        authorize_check_query = "SELECT id, username, attribute, value, op           FROM radcheck           WHERE username = '%{SQL-User-Name}'           ORDER BY id"
        authorize_reply_query = "SELECT id, username, attribute, value, op           FROM radreply           WHERE username = '%{SQL-User-Name}'           ORDER BY id"
        authorize_group_check_query = "SELECT id, groupname, attribute,           Value, op           FROM radgroupcheck           WHERE groupname = '%{Sql-Group}'           ORDER BY id"
        authorize_group_reply_query = "SELECT id, groupname, attribute,           value, op           FROM radgroupreply           WHERE groupname = '%{Sql-Group}'           ORDER BY id"
        accounting_onoff_query = "          UPDATE radacct           SET              acctstoptime       =  '%S',              acctsessiontime    =  unix_timestamp('%S') -                                    unix_timestamp(acctstarttime),              acctterminatecause =  '%{Acct-Terminate-Cause}',              acctstopdelay      =  %{%{Acct-Delay-Time}:-0}           WHERE acctstoptime IS NULL           AND nasipaddress      =  '%{NAS-IP-Address}'           AND acctstarttime     <= '%S'"
        accounting_update_query = "           UPDATE radacct           SET              framedipaddress = '%{Framed-IP-Address}',              acctsessiontime     = '%{Acct-Session-Time}',              acctinputoctets     = '%{%{Acct-Input-Gigawords}:-0}'  << 32 |                                    '%{%{Acct-Input-Octets}:-0}',              acctoutputoctets    = '%{%{Acct-Output-Gigawords}:-0}' << 32 |                                    '%{%{Acct-Output-Octets}:-0}'           WHERE acctsessionid = '%{Acct-Session-Id}'           AND username        = '%{SQL-User-Name}'           AND nasipaddress    = '%{NAS-IP-Address}'"
        accounting_update_query_alt = "           INSERT INTO radacct             (acctsessionid,    acctuniqueid,      username,              realm,            nasipaddress,      nasportid,              nasporttype,      acctstarttime,     acctsessiontime,              acctauthentic,    connectinfo_start, acctinputoctets,              acctoutputoctets, calledstationid,   callingstationid,              servicetype,      framedprotocol,    framedipaddress,              acctstartdelay,   xascendsessionsvrkey)           VALUES             ('%{Acct-Session-Id}', '%{Acct-Unique-Session-Id}',              '%{SQL-User-Name}',              '%{Realm}', '%{NAS-IP-Address}', '%{NAS-Port}',              '%{NAS-Port-Type}',              DATE_SUB('%S',                       INTERVAL (%{%{Acct-Session-Time}:-0} +                                 %{%{Acct-Delay-Time}:-0}) SECOND),                       '%{Acct-Session-Time}',              '%{Acct-Authentic}', '',              '%{%{Acct-Input-Gigawords}:-0}' << 32 |              '%{%{Acct-Input-Octets}:-0}',              '%{%{Acct-Output-Gigawords}:-0}' << 32 |              '%{%{Acct-Output-Octets}:-0}',              '%{Called-Station-Id}', '%{Calling-Station-Id}',              '%{Service-Type}', '%{Framed-Protocol}',              '%{Framed-IP-Address}',              '0', '%{X-Ascend-Session-Svr-Key}')"
        accounting_start_query = "           INSERT INTO radacct             (acctsessionid,    acctuniqueid,     username,              realm,            nasipaddress,     nasportid,              nasporttype,      acctstarttime,    acctstoptime,              acctsessiontime,  acctauthentic,    connectinfo_start,              connectinfo_stop, acctinputoctets,  acctoutputoctets,              calledstationid,  callingstationid, acctterminatecause,              servicetype,      framedprotocol,   framedipaddress,              acctstartdelay,   acctstopdelay,    xascendsessionsvrkey)           VALUES             ('%{Acct-Session-Id}', '%{Acct-Unique-Session-Id}',              '%{SQL-User-Name}',              '%{Realm}', '%{NAS-IP-Address}', '%{NAS-Port}',              '%{NAS-Port-Type}', '%S', NULL,              '0', '%{Acct-Authentic}', '%{Connect-Info}',              '', '0', '0',              '%{Called-Station-Id}', '%{Calling-Station-Id}', '',              '%{Service-Type}', '%{Framed-Protocol}', '%{Framed-IP-Address}',              '%{%{Acct-Delay-Time}:-0}', '0', '%{X-Ascend-Session-Svr-Key}')"
        accounting_start_query_alt = "           UPDATE radacct SET              acctstarttime     = '%S',              acctstartdelay    = '%{%{Acct-Delay-Time}:-0}',              connectinfo_start = '%{Connect-Info}'           WHERE acctsessionid  = '%{Acct-Session-Id}'           AND username         = '%{SQL-User-Name}'           AND nasipaddress     = '%{NAS-IP-Address}'"
        accounting_stop_query = ""
        accounting_stop_query_alt = ""
        group_membership_query = "SELECT groupname           FROM radusergroup           WHERE username = '%{SQL-User-Name}'           ORDER BY priority"
        connect_failure_retry_delay = 60
        simul_count_query = ""
        simul_verify_query = ""
        postauth_query = "INSERT INTO radpostauth                           (username, pass, reply, authdate)                           VALUES (                           '%{User-Name}',                           '%{%{User-Password}:-%{Chap-Password}}',                           '%{reply:Packet-Type}', '%S')"
        safe-characters = "@abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789.-_: /"
  }
rlm_sql (sql): Driver rlm_sql_mysql (module rlm_sql_mysql) loaded and linked
rlm_sql (sql): Attempting to connect to root@localhost:/radius
rlm_sql (sql): starting 0
rlm_sql (sql): Attempting to connect rlm_sql_mysql #0
rlm_sql_mysql: Starting connect to MySQL server for #0
rlm_sql (sql): Connected new DB handle, #0
rlm_sql (sql): starting 1
rlm_sql (sql): Attempting to connect rlm_sql_mysql #1
rlm_sql_mysql: Starting connect to MySQL server for #1
rlm_sql (sql): Connected new DB handle, #1
rlm_sql (sql): starting 2
rlm_sql (sql): Attempting to connect rlm_sql_mysql #2
rlm_sql_mysql: Starting connect to MySQL server for #2
rlm_sql (sql): Connected new DB handle, #2
rlm_sql (sql): starting 3
rlm_sql (sql): Attempting to connect rlm_sql_mysql #3
rlm_sql_mysql: Starting connect to MySQL server for #3
rlm_sql (sql): Connected new DB handle, #3
rlm_sql (sql): starting 4
rlm_sql (sql): Attempting to connect rlm_sql_mysql #4
rlm_sql_mysql: Starting connect to MySQL server for #4
rlm_sql (sql): Connected new DB handle, #4
 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
 Module: Linked to module rlm_attr_filter
 Module: Instantiating attr_filter.access_reject
  attr_filter attr_filter.access_reject {
        attrsfile = "/usr/local/etc/raddb/attrs.access_reject"
        key = "%{User-Name}"
  }
 }
}
server {
 modules {
 Module: Checking authenticate {...} for more modules to load
 Module: Checking authorize {...} for more modules to load
 Module: Linked to module rlm_preprocess
 Module: Instantiating preprocess
  preprocess {
        huntgroups = "/usr/local/etc/raddb/huntgroups"
        hints = "/usr/local/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: Linked to module rlm_detail
 Module: Instantiating auth_log
  detail auth_log {
        detailfile = "/usr/local/var/log/radius/radacct/%{Client-IP-Address}/auth-detail-%Y%m%d"
        header = "%t"
        detailperm = 384
        dirperm = 493
        locking = no
        log_packet_header = no
  }
 Module: Checking preacct {...} for more modules to load
 Module: Linked to module rlm_acct_unique
 Module: Instantiating 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 detail
  detail {
        detailfile = "/usr/local/var/log/radius/radacct/%{Client-IP-Address}/detail-%Y%m%d"
        header = "%t"
        detailperm = 384
        dirperm = 493
        locking = no
        log_packet_header = no
  }
 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
 Module: Instantiating reply_log
  detail reply_log {
        detailfile = "/usr/local/var/log/radius/radacct/%{Client-IP-Address}/reply-detail-%Y%m%d"
        header = "%t"
        detailperm = 384
        dirperm = 493
        locking = no
        log_packet_header = no
  }
 }
}
radiusd: #### Opening IP addresses and Ports ####
listen {
        type = "auth"
        ipaddr = *
        port = 0
}
listen {
        type = "acct"
        ipaddr = *
        port = 0
}
Listening on authentication address * port 1812
Listening on accounting address * port 1813
Listening on proxy address * port 1814
Ready to process requests.

 
Thanks in advance
Lorens

Fail to disable the Simultanous-use, somebody help me.

dgluoyun