FreeRadius with link-local addresses

Ντέντος Σταύρος stdedos at gmail.com
Mon Nov 19 12:42:51 CET 2018


In the same configuration, if I add:

client localhost-v6 {
  ipv6addr    = ::1
  secret    = "testing123"
  require_message_authenticator = yes
  nastype   = other
  limit {
    max_connections = 16
    idle_timeout = 30
    lifetime = 0
  }
}

Then:
$ echo "User-Name=user,User-Password=pass,Message-Authenticator=0x00 "
| radclient -6 [::1] auth testing123
Sent Access-Request Id 87 from [::]:35125 to [::1]:1812 length 62
Received Access-Accept Id 87 from [::1]:1812 to [::]:0 length 20

$ radtest -6 user pass [::1] 0 testing123 0 [::1]
(0) Error parsing "stdin": Failed resolving "[::1]" to IPv6 address:
Temporary failure in name resolution

Commenting out `echo "$NAS_ADDR_ATTR = $nas"` is the solution. I
wonder why though, or why is `radclient` trying to "resolve" [::1]


Ντέντος Σταύρος
On Mon, Nov 19, 2018 at 11:40 AM Ντέντος Σταύρος <stdedos at gmail.com> wrote:
>
> On Mon, Nov 19, 2018 at 12:47 AM Alan DeKok <aland at deployingradius.com> wrote:
> >
> > On Nov 18, 2018, at 4:42 PM, Ντέντος Σταύρος <stdedos at gmail.com> wrote:
> > >
> > > I am trying to authenticate using a link-local IPv6 address.
> > >
> > > I was reading
> > > http://lists.freeradius.org/pipermail/freeradius-users/2013-May/066690.html,
> > > but I assume it is old already?
> >
> >   The comments there should still be correct.
>
> :/
>
> > > ..
> > > Ignoring request to auth address :: port 1812 bound to server default from
> > > unknown client 'fe80::link-local-ipv6-address' port 45077 proto udp
> > > Ready to process requests
> >
> >   Link local IPv6 addresses are link local in scope.  i.e. only for a particular interface.
> >
> >   Is FreeRADIUS listening on only that interface?
>
> FreeRADIUS is listening everything:
> # netstat -putan | grep 1812
> udp        0      0 127.0.0.1:18120         0.0.0.0:*
>          10409/freeradius
> udp        0      0 0.0.0.0:1812            0.0.0.0:*
>          10409/freeradius
> udp6       0      0 :::1812                 :::*
>          10409/freeradius
>
> >
> > > I already have the clients setup correctly and they work:
> > > client LinkLocal {
> > >  ipv6addr    = fd80::/16
> >
> >   fd80::/16 != fe80::16
> >
> >   Maybe try using fe80?
>
> Sorry, bad copy-paste:
>
> client LinkLocal {
>   ipv6addr    = fe80::/16
>   secret      = "secret"
>   require_message_authenticator = yes
>   nastype   = other
>   limit {
>     max_connections = 16
>     idle_timeout = 30
>     lifetime = 0
>   }
> }
>
> client Global {
>   ipv6addr    = fd00::/16
>   secret      = "secret"
>   require_message_authenticator = yes
>   nastype   = other
>   limit {
>     max_connections = 16
>     idle_timeout = 30
>     lifetime = 0
>   }
> }
>
> And since it would take longer, I assume, here is radtest:
> $ radtest -6 user pass fd00::global-ipv6-address 0 'secret' 0
> fd00::global-ipv6-address_origin
> Sending Access-Request of id 57 to fd00::global-ipv6-address port 1812
>         User-Name = "user"
>         User-Password = "pass"
>         NAS-IPv6-Address = fd00::global-ipv6-address_origin
>         NAS-Port = 0
>         Message-Authenticator = 0x00000000000000000000000000000000
> rad_recv: Access-Accept packet from host fd00::global-ipv6-address
> port 1812, id=57, length=20
> $ radtest -6 user pass fe80::link-local-ipv6-address%eth0 0 'secret' 0
> fe80::link-local-ipv6-address_origin
> Sending Access-Request of id 77 to fe80::link-local-ipv6-address port 1812
>         User-Name = "user"
>         User-Password = "pass"
>         NAS-IPv6-Address = fe80::link-local-ipv6-address_origin
>         NAS-Port = 0
>         Message-Authenticator = 0x00000000000000000000000000000000
> Sending Access-Request of id 77 to fe80::link-local-ipv6-address port 1812
>         User-Name = "user"
>         User-Password = "pass"
>         NAS-IPv6-Address = fe80::link-local-ipv6-address_origin
>         NAS-Port = 0
>         Message-Authenticator = 0x00000000000000000000000000000000
> Sending Access-Request of id 77 to fe80::link-local-ipv6-address port 1812
>         User-Name = "user"
>         User-Password = "pass"
>         NAS-IPv6-Address = fe80::link-local-ipv6-address_origin
>         NAS-Port = 0
>         Message-Authenticator = 0x00000000000000000000000000000000
> radclient: no response from server for ID 77 socket 3
>
> and freeradius -X:
> FreeRADIUS Version 3.0.15
> Copyright (C) 1999-2017 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
> For more information about these matters, see the file named COPYRIGHT
> Starting - reading configuration files ...
> including dictionary file /usr/share/freeradius/dictionary
> including dictionary file /usr/share/freeradius/dictionary.dhcp
> including dictionary file /usr/share/freeradius/dictionary.vqp
> including dictionary file /etc/freeradius/dictionary
> 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/mods-enabled/
> including configuration file /etc/freeradius/mods-enabled/preprocess
> including configuration file /etc/freeradius/mods-enabled/dynamic_clients
> including configuration file /etc/freeradius/mods-enabled/files
> including configuration file /etc/freeradius/mods-enabled/pap
> including configuration file /etc/freeradius/mods-enabled/expr
> including configuration file /etc/freeradius/mods-enabled/passwd
> including configuration file /etc/freeradius/mods-enabled/exec
> including configuration file /etc/freeradius/mods-enabled/linelog
> including configuration file /etc/freeradius/mods-enabled/attr_filter
> including configuration file /etc/freeradius/mods-enabled/date
> including configuration file /etc/freeradius/mods-enabled/radutmp
> including configuration file /etc/freeradius/mods-enabled/soh
> including configuration file /etc/freeradius/mods-enabled/unix
> including configuration file /etc/freeradius/mods-enabled/unpack
> including configuration file /etc/freeradius/mods-enabled/detail.log
> including configuration file /etc/freeradius/mods-enabled/eap
> including configuration file /etc/freeradius/mods-enabled/replicate
> including configuration file /etc/freeradius/mods-enabled/cache_eap
> including configuration file /etc/freeradius/mods-enabled/mschap
> including configuration file /etc/freeradius/mods-enabled/echo
> including configuration file /etc/freeradius/mods-enabled/realm
> including configuration file /etc/freeradius/mods-enabled/logintime
> including configuration file /etc/freeradius/mods-enabled/utf8
> including configuration file /etc/freeradius/mods-enabled/detail
> including configuration file /etc/freeradius/mods-enabled/sradutmp
> including configuration file /etc/freeradius/mods-enabled/expiration
> including configuration file /etc/freeradius/mods-enabled/digest
> including configuration file /etc/freeradius/mods-enabled/ntlm_auth
> including configuration file /etc/freeradius/mods-enabled/chap
> including configuration file /etc/freeradius/mods-enabled/always
> including files in directory /etc/freeradius/policy.d/
> including configuration file /etc/freeradius/policy.d/accounting
> including configuration file /etc/freeradius/policy.d/canonicalization
> including configuration file /etc/freeradius/policy.d/control
> including configuration file /etc/freeradius/policy.d/operator-name
> including configuration file /etc/freeradius/policy.d/dhcp
> including configuration file /etc/freeradius/policy.d/abfab-tr
> including configuration file /etc/freeradius/policy.d/debug
> including configuration file /etc/freeradius/policy.d/eap
> including configuration file /etc/freeradius/policy.d/moonshot-targeted-ids
> including configuration file /etc/freeradius/policy.d/cui
> including configuration file /etc/freeradius/policy.d/filter
> 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 {
>  security {
>   user = "freerad"
>   group = "freerad"
>   allow_core_dumps = no
>  }
> name = "freeradius"
> prefix = "/usr"
> localstatedir = "/var"
> logdir = "/var/log/freeradius"
> run_dir = "/var/run/freeradius"
> }
> 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 = 16384
> 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
>   colourise = yes
>   msg_denied = "You are already logged in - access denied"
>  }
>  resources {
>  }
>  security {
>   max_attributes = 200
>   reject_delay = 1.000000
>   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 = <<< secret >>>
>   response_window = 20.000000
>   response_timeouts = 1
>   max_outstanding = 65536
>   zombie_period = 40
>   status_check = "status-server"
>   ping_interval = 30
>   check_interval = 30
>   check_timeout = 4
>   num_answers_to_alive = 3
>   revive_interval = 120
>   limit {
>   max_connections = 16
>   max_requests = 0
>   lifetime = 0
>   idle_timeout = 0
>   }
>   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 LinkLocal {
>   ipv6addr = fe80::/16
>   require_message_authenticator = yes
>   secret = <<< secret >>>
>   limit {
>   max_connections = 16
>   lifetime = 0
>   idle_timeout = 30
>   }
>  }
>  client Global {
>   ipv6addr = fd00::/16
>   require_message_authenticator = yes
>   secret = <<< secret >>>
>   limit {
>   max_connections = 16
>   lifetime = 0
>   idle_timeout = 30
>   }
>  }
> Debugger not attached
>  # Creating Auth-Type = mschap
>  # Creating Auth-Type = digest
>  # Creating Auth-Type = eap
>  # Creating Auth-Type = PAP
>  # Creating Auth-Type = CHAP
>  # Creating Auth-Type = MS-CHAP
> radiusd: #### Instantiating modules ####
>  modules {
>   # Loaded module rlm_preprocess
>   # Loading module "preprocess" from file
> /etc/freeradius/mods-enabled/preprocess
>   preprocess {
>   huntgroups = "/etc/freeradius/mods-config/preprocess/huntgroups"
>   hints = "/etc/freeradius/mods-config/preprocess/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
>   }
>   # Loaded module rlm_dynamic_clients
>   # Loading module "dynamic_clients" from file
> /etc/freeradius/mods-enabled/dynamic_clients
>   # Loaded module rlm_files
>   # Loading module "files" from file /etc/freeradius/mods-enabled/files
>   files {
>   filename = "/etc/freeradius/mods-config/files/authorize"
>   acctusersfile = "/etc/freeradius/mods-config/files/accounting"
>   preproxy_usersfile = "/etc/freeradius/mods-config/files/pre-proxy"
>   }
>   # Loaded module rlm_pap
>   # Loading module "pap" from file /etc/freeradius/mods-enabled/pap
>   pap {
>   normalise = yes
>   }
>   # Loaded module rlm_expr
>   # Loading module "expr" from file /etc/freeradius/mods-enabled/expr
>   expr {
>   safe_characters =
> "@abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789.-_:
> /äéöüàâæçèéêëîïôœùûüaÿÄÉÖÜßÀÂÆÇÈÉÊËÎÏÔŒÙÛÜŸ"
>   }
>   # Loaded module rlm_passwd
>   # Loading module "etc_passwd" from file /etc/freeradius/mods-enabled/passwd
>   passwd etc_passwd {
>   filename = "/etc/passwd"
>   format = "*User-Name:Crypt-Password:"
>   delimiter = ":"
>   ignore_nislike = no
>   ignore_empty = yes
>   allow_multiple_keys = no
>   hash_size = 100
>   }
>   # Loaded module rlm_exec
>   # Loading module "exec" from file /etc/freeradius/mods-enabled/exec
>   exec {
>   wait = no
>   input_pairs = "request"
>   shell_escape = yes
>   timeout = 10
>   }
>   # Loaded module rlm_linelog
>   # Loading module "linelog" from file /etc/freeradius/mods-enabled/linelog
>   linelog {
>   filename = "/var/log/freeradius/linelog"
>   escape_filenames = no
>   syslog_severity = "info"
>   permissions = 384
>   format = "This is a log message for %{User-Name}"
>   reference = "messages.%{%{reply:Packet-Type}:-default}"
>   }
>   # Loading module "log_accounting" from file
> /etc/freeradius/mods-enabled/linelog
>   linelog log_accounting {
>   filename = "/var/log/freeradius/linelog-accounting"
>   escape_filenames = no
>   syslog_severity = "info"
>   permissions = 384
>   format = ""
>   reference = "Accounting-Request.%{%{Acct-Status-Type}:-unknown}"
>   }
>   # Loaded module rlm_attr_filter
>   # Loading module "attr_filter.post-proxy" from file
> /etc/freeradius/mods-enabled/attr_filter
>   attr_filter attr_filter.post-proxy {
>   filename = "/etc/freeradius/mods-config/attr_filter/post-proxy"
>   key = "%{Realm}"
>   relaxed = no
>   }
>   # Loading module "attr_filter.pre-proxy" from file
> /etc/freeradius/mods-enabled/attr_filter
>   attr_filter attr_filter.pre-proxy {
>   filename = "/etc/freeradius/mods-config/attr_filter/pre-proxy"
>   key = "%{Realm}"
>   relaxed = no
>   }
>   # Loading module "attr_filter.access_reject" from file
> /etc/freeradius/mods-enabled/attr_filter
>   attr_filter attr_filter.access_reject {
>   filename = "/etc/freeradius/mods-config/attr_filter/access_reject"
>   key = "%{User-Name}"
>   relaxed = no
>   }
>   # Loading module "attr_filter.access_challenge" from file
> /etc/freeradius/mods-enabled/attr_filter
>   attr_filter attr_filter.access_challenge {
>   filename = "/etc/freeradius/mods-config/attr_filter/access_challenge"
>   key = "%{User-Name}"
>   relaxed = no
>   }
>   # Loading module "attr_filter.accounting_response" from file
> /etc/freeradius/mods-enabled/attr_filter
>   attr_filter attr_filter.accounting_response {
>   filename = "/etc/freeradius/mods-config/attr_filter/accounting_response"
>   key = "%{User-Name}"
>   relaxed = no
>   }
>   # Loaded module rlm_date
>   # Loading module "date" from file /etc/freeradius/mods-enabled/date
>   date {
>   format = "%b %e %Y %H:%M:%S %Z"
>   utc = no
>   }
>   # Loaded module rlm_radutmp
>   # Loading module "radutmp" from file /etc/freeradius/mods-enabled/radutmp
>   radutmp {
>   filename = "/var/log/freeradius/radutmp"
>   username = "%{User-Name}"
>   case_sensitive = yes
>   check_with_nas = yes
>   permissions = 384
>   caller_id = yes
>   }
>   # Loaded module rlm_soh
>   # Loading module "soh" from file /etc/freeradius/mods-enabled/soh
>   soh {
>   dhcp = yes
>   }
>   # Loaded module rlm_unix
>   # Loading module "unix" from file /etc/freeradius/mods-enabled/unix
>   unix {
>   radwtmp = "/var/log/freeradius/radwtmp"
>   }
> Creating attribute Unix-Group
>   # Loaded module rlm_unpack
>   # Loading module "unpack" from file /etc/freeradius/mods-enabled/unpack
>   # Loaded module rlm_detail
>   # Loading module "auth_log" from file /etc/freeradius/mods-enabled/detail.log
>   detail auth_log {
>   filename = "/var/log/freeradius/radacct/%{%{Packet-Src-IP-Address}:-%{Packet-Src-IPv6-Address}}/auth-detail-%Y%m%d"
>   header = "%t"
>   permissions = 384
>   locking = no
>   escape_filenames = no
>   log_packet_header = no
>   }
>   # Loading module "reply_log" from file /etc/freeradius/mods-enabled/detail.log
>   detail reply_log {
>   filename = "/var/log/freeradius/radacct/%{%{Packet-Src-IP-Address}:-%{Packet-Src-IPv6-Address}}/reply-detail-%Y%m%d"
>   header = "%t"
>   permissions = 384
>   locking = no
>   escape_filenames = no
>   log_packet_header = no
>   }
>   # Loading module "pre_proxy_log" from file
> /etc/freeradius/mods-enabled/detail.log
>   detail pre_proxy_log {
>   filename = "/var/log/freeradius/radacct/%{%{Packet-Src-IP-Address}:-%{Packet-Src-IPv6-Address}}/pre-proxy-detail-%Y%m%d"
>   header = "%t"
>   permissions = 384
>   locking = no
>   escape_filenames = no
>   log_packet_header = no
>   }
>   # Loading module "post_proxy_log" from file
> /etc/freeradius/mods-enabled/detail.log
>   detail post_proxy_log {
>   filename = "/var/log/freeradius/radacct/%{%{Packet-Src-IP-Address}:-%{Packet-Src-IPv6-Address}}/post-proxy-detail-%Y%m%d"
>   header = "%t"
>   permissions = 384
>   locking = no
>   escape_filenames = no
>   log_packet_header = no
>   }
>   # Loaded module rlm_eap
>   # Loading module "eap" from file /etc/freeradius/mods-enabled/eap
>   eap {
>   default_eap_type = "md5"
>   timer_expire = 60
>   ignore_unknown_eap_types = no
>   cisco_accounting_username_bug = no
>   max_sessions = 16384
>   }
>   # Loaded module rlm_replicate
>   # Loading module "replicate" from file /etc/freeradius/mods-enabled/replicate
>   # Loaded module rlm_cache
>   # Loading module "cache_eap" from file /etc/freeradius/mods-enabled/cache_eap
>   cache cache_eap {
>   driver = "rlm_cache_rbtree"
>   key = "%{%{control:State}:-%{%{reply:State}:-%{State}}}"
>   ttl = 15
>   max_entries = 0
>   epoch = 0
>   add_stats = no
>   }
>   # Loaded module rlm_mschap
>   # Loading module "mschap" from file /etc/freeradius/mods-enabled/mschap
>   mschap {
>   use_mppe = yes
>   require_encryption = no
>   require_strong = no
>   with_ntdomain_hack = yes
>    passchange {
>    }
>   allow_retry = yes
>   winbind_retry_with_normalised_username = no
>   }
>   # Loading module "echo" from file /etc/freeradius/mods-enabled/echo
>   exec echo {
>   wait = yes
>   program = "/bin/echo %{User-Name}"
>   input_pairs = "request"
>   output_pairs = "reply"
>   shell_escape = yes
>   }
>   # Loaded module rlm_realm
>   # Loading module "IPASS" from file /etc/freeradius/mods-enabled/realm
>   realm IPASS {
>   format = "prefix"
>   delimiter = "/"
>   ignore_default = no
>   ignore_null = no
>   }
>   # Loading module "suffix" from file /etc/freeradius/mods-enabled/realm
>   realm suffix {
>   format = "suffix"
>   delimiter = "@"
>   ignore_default = no
>   ignore_null = no
>   }
>   # Loading module "realmpercent" from file /etc/freeradius/mods-enabled/realm
>   realm realmpercent {
>   format = "suffix"
>   delimiter = "%"
>   ignore_default = no
>   ignore_null = no
>   }
>   # Loading module "ntdomain" from file /etc/freeradius/mods-enabled/realm
>   realm ntdomain {
>   format = "prefix"
>   delimiter = "\\"
>   ignore_default = no
>   ignore_null = no
>   }
>   # Loaded module rlm_logintime
>   # Loading module "logintime" from file /etc/freeradius/mods-enabled/logintime
>   logintime {
>   minimum_timeout = 60
>   }
>   # Loaded module rlm_utf8
>   # Loading module "utf8" from file /etc/freeradius/mods-enabled/utf8
>   # Loading module "detail" from file /etc/freeradius/mods-enabled/detail
>   detail {
>   filename = "/var/log/freeradius/radacct/%{%{Packet-Src-IP-Address}:-%{Packet-Src-IPv6-Address}}/detail-%Y%m%d"
>   header = "%t"
>   permissions = 384
>   locking = no
>   escape_filenames = no
>   log_packet_header = no
>   }
>   # Loading module "sradutmp" from file /etc/freeradius/mods-enabled/sradutmp
>   radutmp sradutmp {
>   filename = "/var/log/freeradius/sradutmp"
>   username = "%{User-Name}"
>   case_sensitive = yes
>   check_with_nas = yes
>   permissions = 420
>   caller_id = no
>   }
>   # Loaded module rlm_expiration
>   # Loading module "expiration" from file
> /etc/freeradius/mods-enabled/expiration
>   # Loaded module rlm_digest
>   # Loading module "digest" from file /etc/freeradius/mods-enabled/digest
>   # Loading module "ntlm_auth" from file /etc/freeradius/mods-enabled/ntlm_auth
>   exec ntlm_auth {
>   wait = yes
>   program = "/path/to/ntlm_auth --request-nt-key --domain=MYDOMAIN
> --username=%{mschap:User-Name} --password=%{User-Password}"
>   shell_escape = yes
>   }
>   # Loaded module rlm_chap
>   # Loading module "chap" from file /etc/freeradius/mods-enabled/chap
>   # Loaded module rlm_always
>   # Loading module "reject" from file /etc/freeradius/mods-enabled/always
>   always reject {
>   rcode = "reject"
>   simulcount = 0
>   mpp = no
>   }
>   # Loading module "fail" from file /etc/freeradius/mods-enabled/always
>   always fail {
>   rcode = "fail"
>   simulcount = 0
>   mpp = no
>   }
>   # Loading module "ok" from file /etc/freeradius/mods-enabled/always
>   always ok {
>   rcode = "ok"
>   simulcount = 0
>   mpp = no
>   }
>   # Loading module "handled" from file /etc/freeradius/mods-enabled/always
>   always handled {
>   rcode = "handled"
>   simulcount = 0
>   mpp = no
>   }
>   # Loading module "invalid" from file /etc/freeradius/mods-enabled/always
>   always invalid {
>   rcode = "invalid"
>   simulcount = 0
>   mpp = no
>   }
>   # Loading module "userlock" from file /etc/freeradius/mods-enabled/always
>   always userlock {
>   rcode = "userlock"
>   simulcount = 0
>   mpp = no
>   }
>   # Loading module "notfound" from file /etc/freeradius/mods-enabled/always
>   always notfound {
>   rcode = "notfound"
>   simulcount = 0
>   mpp = no
>   }
>   # Loading module "noop" from file /etc/freeradius/mods-enabled/always
>   always noop {
>   rcode = "noop"
>   simulcount = 0
>   mpp = no
>   }
>   # Loading module "updated" from file /etc/freeradius/mods-enabled/always
>   always updated {
>   rcode = "updated"
>   simulcount = 0
>   mpp = no
>   }
>   instantiate {
>   }
>   # Instantiating module "preprocess" from file
> /etc/freeradius/mods-enabled/preprocess
> reading pairlist file /etc/freeradius/mods-config/preprocess/huntgroups
> reading pairlist file /etc/freeradius/mods-config/preprocess/hints
>   # Instantiating module "files" from file /etc/freeradius/mods-enabled/files
> reading pairlist file /etc/freeradius/mods-config/files/authorize
> reading pairlist file /etc/freeradius/mods-config/files/accounting
> reading pairlist file /etc/freeradius/mods-config/files/pre-proxy
>   # Instantiating module "pap" from file /etc/freeradius/mods-enabled/pap
>   # Instantiating module "etc_passwd" from file
> /etc/freeradius/mods-enabled/passwd
> rlm_passwd: nfields: 3 keyfield 0(User-Name) listable: no
>   # Instantiating module "linelog" from file
> /etc/freeradius/mods-enabled/linelog
>   # Instantiating module "log_accounting" from file
> /etc/freeradius/mods-enabled/linelog
>   # Instantiating module "attr_filter.post-proxy" from file
> /etc/freeradius/mods-enabled/attr_filter
> reading pairlist file /etc/freeradius/mods-config/attr_filter/post-proxy
>   # Instantiating module "attr_filter.pre-proxy" from file
> /etc/freeradius/mods-enabled/attr_filter
> reading pairlist file /etc/freeradius/mods-config/attr_filter/pre-proxy
>   # Instantiating module "attr_filter.access_reject" from file
> /etc/freeradius/mods-enabled/attr_filter
> reading pairlist file /etc/freeradius/mods-config/attr_filter/access_reject
> [/etc/freeradius/mods-config/attr_filter/access_reject]:11 Check item
> "FreeRADIUS-Response-Delay" found in filter list for realm "DEFAULT".
> [/etc/freeradius/mods-config/attr_filter/access_reject]:11 Check item
> "FreeRADIUS-Response-Delay-USec" found in filter list for realm
> "DEFAULT".
>   # Instantiating module "attr_filter.access_challenge" from file
> /etc/freeradius/mods-enabled/attr_filter
> reading pairlist file /etc/freeradius/mods-config/attr_filter/access_challenge
>   # Instantiating module "attr_filter.accounting_response" from file
> /etc/freeradius/mods-enabled/attr_filter
> reading pairlist file
> /etc/freeradius/mods-config/attr_filter/accounting_response
>   # Instantiating module "auth_log" from file
> /etc/freeradius/mods-enabled/detail.log
> rlm_detail (auth_log): 'User-Password' suppressed, will not appear in
> detail output
>   # Instantiating module "reply_log" from file
> /etc/freeradius/mods-enabled/detail.log
>   # Instantiating module "pre_proxy_log" from file
> /etc/freeradius/mods-enabled/detail.log
>   # Instantiating module "post_proxy_log" from file
> /etc/freeradius/mods-enabled/detail.log
>   # Instantiating module "eap" from file /etc/freeradius/mods-enabled/eap
>    # Linked to sub-module rlm_eap_md5
>    # Linked to sub-module rlm_eap_leap
>    # Linked to sub-module rlm_eap_gtc
>    gtc {
>     challenge = "Password: "
>     auth_type = "PAP"
>    }
>    # Linked to sub-module rlm_eap_tls
>    tls {
>     tls = "tls-common"
>    }
>    tls-config tls-common {
>     verify_depth = 0
>     ca_path = "/etc/freeradius/certs"
>     pem_file_type = yes
>     private_key_file = "/etc/freeradius/certs/server.pem"
>     certificate_file = "/etc/freeradius/certs/server.pem"
>     ca_file = "/etc/freeradius/certs/ca.pem"
>     private_key_password = <<< secret >>>
>     dh_file = "/etc/freeradius/certs/dh"
>     fragment_size = 1024
>     include_length = yes
>     auto_chain = yes
>     check_crl = no
>     check_all_crl = no
>     cipher_list = "DEFAULT"
>     cipher_server_preference = no
>     ecdh_curve = "prime256v1"
>     cache {
>     enable = no
>     lifetime = 24
>     max_entries = 255
>     }
>     verify {
>     skip_if_ocsp_ok = no
>     }
>     ocsp {
>     enable = no
>     override_cert_url = yes
>     url = "http://127.0.0.1/ocsp/"
>     use_nonce = yes
>     timeout = 0
>     softfail = no
>     }
>    }
>    # Linked to sub-module rlm_eap_ttls
>    ttls {
>     tls = "tls-common"
>     default_eap_type = "md5"
>     copy_request_to_tunnel = no
>     use_tunneled_reply = no
>     virtual_server = "inner-tunnel"
>     include_length = yes
>     require_client_cert = no
>    }
> tls: Using cached TLS configuration from previous invocation
>    # Linked to sub-module rlm_eap_peap
>    peap {
>     tls = "tls-common"
>     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
>     require_client_cert = no
>    }
> tls: Using cached TLS configuration from previous invocation
>    # Linked to sub-module rlm_eap_mschapv2
>    mschapv2 {
>     with_ntdomain_hack = no
>     send_error = no
>    }
>   # Instantiating module "cache_eap" from file
> /etc/freeradius/mods-enabled/cache_eap
> rlm_cache (cache_eap): Driver rlm_cache_rbtree (module
> rlm_cache_rbtree) loaded and linked
>   # Instantiating module "mschap" from file /etc/freeradius/mods-enabled/mschap
> rlm_mschap (mschap): using internal authentication
>   # Instantiating module "IPASS" from file /etc/freeradius/mods-enabled/realm
>   # Instantiating module "suffix" from file /etc/freeradius/mods-enabled/realm
>   # Instantiating module "realmpercent" from file
> /etc/freeradius/mods-enabled/realm
>   # Instantiating module "ntdomain" from file /etc/freeradius/mods-enabled/realm
>   # Instantiating module "logintime" from file
> /etc/freeradius/mods-enabled/logintime
>   # Instantiating module "detail" from file /etc/freeradius/mods-enabled/detail
>   # Instantiating module "expiration" from file
> /etc/freeradius/mods-enabled/expiration
>   # Instantiating module "reject" from file /etc/freeradius/mods-enabled/always
>   # Instantiating module "fail" from file /etc/freeradius/mods-enabled/always
>   # Instantiating module "ok" from file /etc/freeradius/mods-enabled/always
>   # Instantiating module "handled" from file /etc/freeradius/mods-enabled/always
>   # Instantiating module "invalid" from file /etc/freeradius/mods-enabled/always
>   # Instantiating module "userlock" from file
> /etc/freeradius/mods-enabled/always
>   # Instantiating module "notfound" from file
> /etc/freeradius/mods-enabled/always
>   # Instantiating module "noop" from file /etc/freeradius/mods-enabled/always
>   # Instantiating module "updated" from file /etc/freeradius/mods-enabled/always
>  } # modules
> radiusd: #### Loading Virtual Servers ####
> server { # from file /etc/freeradius/radiusd.conf
> } # server
> server default { # from file /etc/freeradius/sites-enabled/default
>  # Loading authenticate {...}
>  # Loading authorize {...}
> Ignoring "sql" (see raddb/mods-available/README.rst)
> Ignoring "ldap" (see raddb/mods-available/README.rst)
>  # Loading preacct {...}
>  # Loading accounting {...}
>  # Loading post-proxy {...}
>  # Loading post-auth {...}
> } # server default
> server inner-tunnel { # from file /etc/freeradius/sites-enabled/inner-tunnel
>  # Loading authenticate {...}
>  # Loading authorize {...}
>  # Loading session {...}
>  # Loading post-proxy {...}
>  # Loading post-auth {...}
>  # Skipping contents of 'if' as it is always 'false' --
> /etc/freeradius/sites-enabled/inner-tunnel:331
> } # server inner-tunnel
> radiusd: #### Opening IP addresses and Ports ####
> listen {
>   type = "auth"
>   ipaddr = *
>   port = 0
>    limit {
>     max_connections = 16
>     lifetime = 0
>     idle_timeout = 30
>    }
> }
> listen {
>   type = "acct"
>   ipaddr = *
>   port = 0
>    limit {
>     max_connections = 16
>     lifetime = 0
>     idle_timeout = 30
>    }
> }
> listen {
>   type = "auth"
>   ipv6addr = ::
>   port = 0
>    limit {
>     max_connections = 16
>     lifetime = 0
>     idle_timeout = 30
>    }
> }
> listen {
>   type = "acct"
>   ipv6addr = ::
>   port = 0
>    limit {
>     max_connections = 16
>     lifetime = 0
>     idle_timeout = 30
>    }
> }
> listen {
>   type = "auth"
>   ipaddr = 127.0.0.1
>   port = 18120
> }
> Listening on auth address * port 1812 bound to server default
> Listening on acct address * port 1813 bound to server default
> Listening on auth address :: port 1812 bound to server default
> Listening on acct address :: port 1813 bound to server default
> Listening on auth address 127.0.0.1 port 18120 bound to server inner-tunnel
> Listening on proxy address * port 41464
> Listening on proxy address :: port 45847
> Ready to process requests
> (0) Received Access-Request Id 57 from
> [fd00::global-ipv6-address_origin]:44832 to
> [fd00::global-ipv6-address]:1812 length 86
> (0)   User-Name = "user"
> (0)   User-Password = "pass"
> (0)   NAS-IPv6-Address = fd00::global-ipv6-address_origin
> (0)   NAS-Port = 0
> (0)   Message-Authenticator = 0x06b12e0c06432eb1ef81061ee5adcf11
> (0) # Executing section authorize from file
> /etc/freeradius/sites-enabled/default
> (0)   authorize {
> (0)     policy filter_username {
> (0)       if (&User-Name) {
> (0)       if (&User-Name)  -> TRUE
> (0)       if (&User-Name)  {
> (0)         if (&User-Name =~ / /) {
> (0)         if (&User-Name =~ / /)  -> FALSE
> (0)         if (&User-Name =~ /@[^@]*@/ ) {
> (0)         if (&User-Name =~ /@[^@]*@/ )  -> FALSE
> (0)         if (&User-Name =~ /\.\./ ) {
> (0)         if (&User-Name =~ /\.\./ )  -> FALSE
> (0)         if ((&User-Name =~ /@/) && (&User-Name !~ /@(.+)\.(.+)$/))  {
> (0)         if ((&User-Name =~ /@/) && (&User-Name !~ /@(.+)\.(.+)$/))
>   -> FALSE
> (0)         if (&User-Name =~ /\.$/)  {
> (0)         if (&User-Name =~ /\.$/)   -> FALSE
> (0)         if (&User-Name =~ /@\./)  {
> (0)         if (&User-Name =~ /@\./)   -> FALSE
> (0)       } # if (&User-Name)  = notfound
> (0)     } # policy filter_username = notfound
> (0)     [preprocess] = ok
> (0)     [chap] = noop
> (0)     [mschap] = noop
> (0)     [digest] = noop
> (0) suffix: Checking for suffix after "@"
> (0) suffix: No '@' in User-Name = "user", looking up realm NULL
> (0) suffix: No such realm "NULL"
> (0)     [suffix] = noop
> (0) eap: No EAP-Message, not doing EAP
> (0)     [eap] = noop
> (0) files: users: Matched entry user at line 225
> (0)     [files] = ok
> (0)     [expiration] = noop
> (0)     [logintime] = noop
> (0)     [pap] = updated
> (0)   } # authorize = updated
> (0) Found Auth-Type = PAP
> (0) # Executing group from file /etc/freeradius/sites-enabled/default
> (0)   Auth-Type PAP {
> (0) pap: Login attempt with password
> (0) pap: Comparing with "known good" Cleartext-Password
> (0) pap: User authenticated successfully
> (0)     [pap] = ok
> (0)   } # Auth-Type PAP = ok
> (0) # Executing section post-auth from file
> /etc/freeradius/sites-enabled/default
> (0)   post-auth {
> (0)     update {
> (0)       No attributes updated
> (0)     } # update = noop
> (0)     [exec] = noop
> (0)     policy remove_reply_message_if_eap {
> (0)       if (&reply:EAP-Message && &reply:Reply-Message) {
> (0)       if (&reply:EAP-Message && &reply:Reply-Message)  -> FALSE
> (0)       else {
> (0)         [noop] = noop
> (0)       } # else = noop
> (0)     } # policy remove_reply_message_if_eap = noop
> (0)   } # post-auth = noop
> (0) Sent Access-Accept Id 57 from [fd00::global-ipv6-address]:1812 to
> [fd00::global-ipv6-address_origin]:44832 length 0
> (0) Finished request
> Waking up in 4.9 seconds.
> Ignoring request to auth address :: port 1812 bound to server default
> from unknown client fe80::link-local-ipv6-address_origin port 33954
> proto udp
> Waking up in 2.5 seconds.
> (0) Cleaning up request packet ID 57 with timestamp +4
> Ready to process requests
> Ignoring request to auth address :: port 1812 bound to server default
> from unknown client fe80::link-local-ipv6-address_origin port 33954
> proto udp
> Ready to process requests
> Ignoring request to auth address :: port 1812 bound to server default
> from unknown client fe80::link-local-ipv6-address_origin port 33954
> proto udp
> Ready to process requests
>
> (Sorry for the long post; I don't know "which are" the relevant parts,
> neither do I know if I can attach files)



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