Issue with MSCHAP

Blake Covarrubias blake at covarrubi.as
Sun Nov 4 22:11:03 CET 2012


http://deployingradius.com/documents/protocols/compatibility.html

md5 passwords are not compatible with MS-CHAP.

--
Blake Covarrubias

On Nov 4, 2012, at 13:56, Ryan Summey <ryan.summey at gmail.com> wrote:

>  Below is the log. I am able to connect using clear-text passwords but not encrypted passwords... What is confusing me is if i do a radtest it works fine using the users credentials that are encrypted...  But as you can see below ths is me trying to connecting from my phone using the account i created in the databse with the password md5. Again this works when i do a radtest but not in a real world test. Only clear-text pw work in the realworld test. 
> 
> Thank you for your time.
> 
> 
> 
> 
> freeradius -X
> FreeRADIUS Version 2.1.12, for host i686-pc-linux-gnu, built on Sep 11 2012 at 22:27:08
> 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/freeradius/radiusd.conf
> including configuration file /etc/freeradius/proxy.conf
> including configuration file /etc/freeradius/clients.conf
> including files in directory /etc/freeradius/modules/
> including configuration file /etc/freeradius/modules/always
> including configuration file /etc/freeradius/modules/mac2ip
> including configuration file /etc/freeradius/modules/sql_log
> including configuration file /etc/freeradius/modules/smbpasswd
> including configuration file /etc/freeradius/modules/detail
> including configuration file /etc/freeradius/modules/smsotp
> including configuration file /etc/freeradius/modules/cui
> including configuration file /etc/freeradius/modules/wimax
> including configuration file /etc/freeradius/modules/replicate
> including configuration file /etc/freeradius/modules/sqlcounter_expire_on_login
> including configuration file /etc/freeradius/modules/sradutmp
> including configuration file /etc/freeradius/modules/pap
> including configuration file /etc/freeradius/modules/echo
> including configuration file /etc/freeradius/modules/expiration
> including configuration file /etc/freeradius/modules/files
> including configuration file /etc/freeradius/modules/mac2vlan
> including configuration file /etc/freeradius/modules/acct_unique
> including configuration file /etc/freeradius/modules/krb5
> including configuration file /etc/freeradius/modules/mschap
> including configuration file /etc/freeradius/modules/checkval
> including configuration file /etc/freeradius/modules/preprocess
> including configuration file /etc/freeradius/modules/logintime
> including configuration file /etc/freeradius/modules/pam
> including configuration file /etc/freeradius/modules/passwd
> including configuration file /etc/freeradius/modules/etc_group
> including configuration file /etc/freeradius/modules/opendirectory
> including configuration file /etc/freeradius/modules/attr_filter
> including configuration file /etc/freeradius/modules/linelog
> including configuration file /etc/freeradius/modules/soh
> including configuration file /etc/freeradius/modules/attr_rewrite
> including configuration file /etc/freeradius/modules/chap
> including configuration file /etc/freeradius/modules/rediswho
> including configuration file /etc/freeradius/modules/counter
> including configuration file /etc/freeradius/modules/digest
> including configuration file /etc/freeradius/modules/policy
> including configuration file /etc/freeradius/modules/unix
> including configuration file /etc/freeradius/modules/ldap
> including configuration file /etc/freeradius/modules/otp
> including configuration file /etc/freeradius/modules/radutmp
> including configuration file /etc/freeradius/modules/perl
> including configuration file /etc/freeradius/modules/dynamic_clients
> including configuration file /etc/freeradius/modules/detail.example.com
> including configuration file /etc/freeradius/modules/redis
> including configuration file /etc/freeradius/modules/ntlm_auth
> including configuration file /etc/freeradius/modules/inner-eap
> including configuration file /etc/freeradius/modules/ippool
> including configuration file /etc/freeradius/modules/realm
> including configuration file /etc/freeradius/modules/detail.log
> including configuration file /etc/freeradius/modules/exec
> including configuration file /etc/freeradius/modules/expr
> including configuration file /etc/freeradius/eap.conf
> including configuration file /etc/freeradius/sql.conf
> including configuration file /etc/freeradius/sql/mysql/dialup.conf
> including configuration file /etc/freeradius/policy.conf
> including files in directory /etc/freeradius/sites-enabled/
> including configuration file /etc/freeradius/sites-enabled/default
> including configuration file /etc/freeradius/sites-enabled/inner-tunnel
> main {
>         user = "freerad"
>         group = "freerad"
>         allow_core_dumps = no
> }
> including dictionary file /etc/freeradius/dictionary
> main {
>         name = "freeradius"
>         prefix = "/usr"
>         localstatedir = "/var"
>         sbindir = "/usr/sbin"
>         logdir = "/var/log/freeradius"
>         run_dir = "/var/run/freeradius"
>         libdir = "/usr/lib/freeradius"
>         radacctdir = "/var/log/freeradius/radacct"
>         hostname_lookups = no
>         max_request_time = 30
>         cleanup_delay = 5
>         max_requests = 1024
>         pidfile = "/var/run/freeradius/freeradius.pid"
>         checkrad = "/usr/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
>   coa {
>         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 {
>  }
> radiusd: #### Loading Clients ####
>  client localhost {
>         ipaddr = 127.0.0.1
>         require_message_authenticator = no
>         secret = "testsecret"
>         nastype = "other"
>  }
>  client 192.168.2.24 {
>         require_message_authenticator = no
>         secret = "testsecret"
>         shortname = "cvpn-pptp"
>         nastype = "other"
>  }
> radiusd: #### Instantiating modules ####
>  instantiate {
>  Module: Linked to module rlm_exec
>  Module: Instantiating module "exec" from file /etc/freeradius/modules/exec
>   exec {
>         wait = no
>         input_pairs = "request"
>         shell_escape = yes
>   }
>  Module: Linked to module rlm_expr
>  Module: Instantiating module "expr" from file /etc/freeradius/modules/expr
>  Module: Linked to module rlm_expiration
>  Module: Instantiating module "expiration" from file /etc/freeradius/modules/expiration
>   expiration {
>         reply-message = "Password Has Expired  "
>   }
>  Module: Linked to module rlm_logintime
>  Module: Instantiating module "logintime" from file /etc/freeradius/modules/logintime
>   logintime {
>         reply-message = "You are calling outside your allowed timespan  "
>         minimum-timeout = 60
>   }
>  }
> radiusd: #### Loading Virtual Servers ####
> server { # from file /etc/freeradius/radiusd.conf
>  modules {
>   Module: Creating Auth-Type = digest
>   Module: Creating Post-Auth-Type = REJECT
>  Module: Checking authenticate {...} for more modules to load
>  Module: Linked to module rlm_pap
>  Module: Instantiating module "pap" from file /etc/freeradius/modules/pap
>   pap {
>         encryption_scheme = "auto"
>         auto_header = no
>   }
>  Module: Linked to module rlm_chap
>  Module: Instantiating module "chap" from file /etc/freeradius/modules/chap
>  Module: Linked to module rlm_mschap
>  Module: Instantiating module "mschap" from file /etc/freeradius/modules/mschap
>   mschap {
>         use_mppe = yes
>         require_encryption = yes
>         require_strong = yes
>         with_ntdomain_hack = no
>         allow_retry = yes
>   }
>  Module: Linked to module rlm_digest
>  Module: Instantiating module "digest" from file /etc/freeradius/modules/digest
>  Module: Linked to module rlm_unix
>  Module: Instantiating module "unix" from file /etc/freeradius/modules/unix
>   unix {
>         radwtmp = "/var/log/freeradius/radwtmp"
>   }
>  Module: Linked to module rlm_eap
>  Module: Instantiating module "eap" from file /etc/freeradius/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 = "/etc/freeradius/certs"
>         pem_file_type = yes
>         private_key_file = "/etc/freeradius/certs/server.key"
>         certificate_file = "/etc/freeradius/certs/server.pem"
>         CA_file = "/etc/freeradius/certs/ca.pem"
>         private_key_password = "whatever"
>         dh_file = "/etc/freeradius/certs/dh"
>         random_file = "/dev/urandom"
>         fragment_size = 1024
>         include_length = yes
>         check_crl = no
>         cipher_list = "DEFAULT"
>         make_cert_command = "/etc/freeradius/certs/bootstrap"
>         ecdh_curve = "prime256v1"
>     cache {
>         enable = no
>         lifetime = 24
>         max_entries = 255
>     }
>     verify {
>     }
>     ocsp {
>         enable = no
>         override_cert_url = yes
>         url = "http://127.0.0.1/ocsp/"
>     }
>    }
>  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"
>         soh = no
>    }
>  Module: Linked to sub-module rlm_eap_mschapv2
>  Module: Instantiating eap-mschapv2
>    mschapv2 {
>         with_ntdomain_hack = no
>         send_error = no
>    }
>  Module: Checking authorize {...} for more modules to load
>  Module: Linked to module rlm_preprocess
>  Module: Instantiating module "preprocess" from file /etc/freeradius/modules/preprocess
>   preprocess {
>         huntgroups = "/etc/freeradius/huntgroups"
>         hints = "/etc/freeradius/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_realm
>  Module: Instantiating module "suffix" from file /etc/freeradius/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 /etc/freeradius/modules/files
>   files {
>         usersfile = "/etc/freeradius/users"
>         acctusersfile = "/etc/freeradius/acct_users"
>         preproxy_usersfile = "/etc/freeradius/preproxy_users"
>         compat = "no"
>   }
>  Module: Linked to module rlm_sql
>  Module: Instantiating module "sql" from file /etc/freeradius/sql.conf
>   sql {
>         driver = "rlm_sql_mysql"
>         server = "mysql.claravpn.com"
>         port = "3306"
>         login = "cvpnadmin"
>         password = "106westwhiteoakstreet"
>         radius_db = "cvpnradiusdb"
>         read_groups = yes
>         sqltrace = no
>         sqltracefile = "/var/log/freeradius/sqltrace.sql"
>         readclients = no
>         deletestalesessions = yes
>         num_sql_socks = 5
>         lifetime = 0
>         max_queries = 0
>         sql_user_name = "%{User-Name}"
>         default_user_profile = ""
>         nas_query = "SELECT id, nasname, shortname, type, secret, server 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 = "           UPDATE radacct SET              acctstoptime       = '%S',              acctsessiontime    = '%{Acct-Session-Time}',              acctinputoctets    = '%{%{Acct-Input-Gigawords}:-0}' << 32 |                                   '%{%{Acct-Input-Octets}:-0}',              acctoutputoctets   = '%{%{Acct-Output-Gigawords}:-0}' << 32 |                                   '%{%{Acct-Output-Octets}:-0}',              acctterminatecause = '%{Acct-Terminate-Cause}',              acctstopdelay      = '%{%{Acct-Delay-Time}:-0}',              connectinfo_stop   = '%{Connect-Info}'           WHERE acctsessionid   = '%{Acct-Session-Id}'           AND username          = '%{SQL-User-Name}'           AND nasipaddress      = '%{NAS-IP-Address}'"
>         accounting_stop_query_alt = "           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)           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),              '%S', '%{Acct-Session-Time}', '%{Acct-Authentic}', '',              '%{Connect-Info}',              '%{%{Acct-Input-Gigawords}:-0}' << 32 |              '%{%{Acct-Input-Octets}:-0}',              '%{%{Acct-Output-Gigawords}:-0}' << 32 |              '%{%{Acct-Output-Octets}:-0}',              '%{Called-Station-Id}', '%{Calling-Station-Id}',              '%{Acct-Terminate-Cause}',              '%{Service-Type}', '%{Framed-Protocol}', '%{Framed-IP-Address}',              '0', '%{%{Acct-Delay-Time}:-0}')"
>         group_membership_query = "SELECT groupname           FROM radusergroup           WHERE username = '%{SQL-User-Name}'           ORDER BY priority"
>         connect_failure_retry_delay = 60
>         simul_count_query = "SELECT COUNT(*)                              #FROM radacct                              #WHERE username = '%{SQL-User-Name}'                              #AND acctstoptime IS NULL"
>         simul_verify_query = "SELECT radacctid, acctsessionid, username,                                nasipaddress, nasportid, framedipaddress,                                callingstationid, framedprotocol                                FROM radacct                                WHERE username = '%{SQL-User-Name}'                                AND acctstoptime IS NULL"
>         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 cvpnadmin at mysql.claravpn.com:3306/cvpnradiusdb
> 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 preacct {...} for more modules to load
>  Module: Linked to module rlm_acct_unique
>  Module: Instantiating module "acct_unique" from file /etc/freeradius/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 /etc/freeradius/modules/detail
>   detail {
>         detailfile = "/var/log/freeradius/radacct/%{%{Packet-Src-IP-Address}:-%{Packet-Src-IPv6-Address}}/detail-%Y%m%d"
>         header = "%t"
>         detailperm = 384
>         dirperm = 493
>         locking = no
>         log_packet_header = no
>   }
>  Module: Linked to module rlm_radutmp
>  Module: Instantiating module "radutmp" from file /etc/freeradius/modules/radutmp
>   radutmp {
>         filename = "/var/log/freeradius/radutmp"
>         username = "%{User-Name}"
>         case_sensitive = yes
>         check_with_nas = yes
>         perm = 384
>         callerid = yes
>   }
>  Module: Linked to module rlm_attr_filter
>  Module: Instantiating module "attr_filter.accounting_response" from file /etc/freeradius/modules/attr_filter
>   attr_filter attr_filter.accounting_response {
>         attrsfile = "/etc/freeradius/attrs.accounting_response"
>         key = "%{User-Name}"
>         relaxed = 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 module "attr_filter.access_reject" from file /etc/freeradius/modules/attr_filter
>   attr_filter attr_filter.access_reject {
>         attrsfile = "/etc/freeradius/attrs.access_reject"
>         key = "%{User-Name}"
>         relaxed = no
>   }
>  } # modules
> } # server
> server inner-tunnel { # from file /etc/freeradius/sites-enabled/inner-tunnel
>  modules {
>  Module: Checking authenticate {...} for more modules to load
>  Module: Checking authorize {...} for more modules to load
>  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 = "auth"
>         ipaddr = 127.0.0.1
>         port = 18120
> }
>  ... adding new socket proxy address * port 48747
> Listening on authentication address * port 1812
> Listening on accounting address * port 1813
> 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 192.168.2.24 port 37360, id=33, length=151
>         Service-Type = Framed-User
>         Framed-Protocol = PPP
>         User-Name = "md5sonder"
>         MS-CHAP-Challenge = 0x0450cfc169281de4596f775878e83202
>         MS-CHAP2-Response = 0x50002036d573a3f3f443f0adaaf52b1557b300000000000000004fab1da0b14e7e7827768b24019d9c9e41dec2d11872bbad
>         Calling-Station-Id = "97.218.49.75"
>         NAS-IP-Address = 127.0.0.1
>         NAS-Port = 0
> # Executing section authorize from file /etc/freeradius/sites-enabled/default
> +- entering group authorize {...}
> ++[preprocess] returns ok
> ++[chap] returns noop
> [mschap] Found MS-CHAP attributes.  Setting 'Auth-Type  = mschap'
> ++[mschap] returns ok
> ++[digest] returns noop
> [suffix] No '@' in User-Name = "md5sonder", looking up realm NULL
> [suffix] No such realm "NULL"
> ++[suffix] returns noop
> [eap] No EAP-Message, not doing EAP
> ++[eap] returns noop
> [files] users: Matched entry DEFAULT at line 172
> ++[files] returns ok
> [sql]   expand: %{User-Name} -> md5sonder
> [sql] sql_set_user escaped user --> 'md5sonder'
> rlm_sql (sql): Reserving sql socket id: 4
> [sql]   expand: SELECT id, username, attribute, value, op           FROM radcheck           WHERE username = '%{SQL-User-Name}'           ORDER BY id -> SELECT id, username, attribute, value, op           FROM radcheck           WHERE username = 'md5sonder'           ORDER BY id
> [sql] User found in radcheck table
> [sql]   expand: SELECT id, username, attribute, value, op           FROM radreply           WHERE username = '%{SQL-User-Name}'           ORDER BY id -> SELECT id, username, attribute, value, op           FROM radreply           WHERE username = 'md5sonder'           ORDER BY id
> [sql]   expand: SELECT groupname           FROM radusergroup           WHERE username = '%{SQL-User-Name}'           ORDER BY priority -> SELECT groupname           FROM radusergroup           WHERE username = 'md5sonder'           ORDER BY priority
> rlm_sql (sql): Released sql socket id: 4
> ++[sql] returns ok
> ++[expiration] returns noop
> ++[logintime] returns noop
> [pap] Normalizing MD5-Password from hex encoding
> [pap] WARNING: Auth-Type already set.  Not setting to PAP
> ++[pap] returns noop
> Found Auth-Type = MSCHAP
> # Executing group from file /etc/freeradius/sites-enabled/default
> +- entering group MS-CHAP {...}
> [mschap] No Cleartext-Password configured.  Cannot create LM-Password.
> [mschap] No Cleartext-Password configured.  Cannot create NT-Password.
> [mschap] Creating challenge hash with username: md5sonder
> [mschap] Told to do MS-CHAPv2 for md5sonder with NT-Password
> [mschap] FAILED: No NT/LM-Password.  Cannot perform authentication.
> [mschap] FAILED: MS-CHAP2-Response is incorrect
> ++[mschap] returns reject
> Failed to authenticate the user.
> Using Post-Auth-Type Reject
> # Executing group from file /etc/freeradius/sites-enabled/default
> +- entering group REJECT {...}
> [attr_filter.access_reject]     expand: %{User-Name} -> md5sonder
> attr_filter: Matched entry DEFAULT at line 11
> ++[attr_filter.access_reject] returns updated
> Delaying reject of request 0 for 1 seconds
> Going to the next request
> Waking up in 0.6 seconds.
> Sending delayed reject for request 0
> Sending Access-Reject of id 33 to 192.168.2.24 port 37360
>         MS-CHAP-Error = "PE=691 R=1"
> Waking up in 4.9 seconds.
> Cleaning up request 0 ID 33 with timestamp +121
> Ready to process requests.
> 
> -
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