rlm_ippool memory footprint

James Chapman jchapman at katalix.com
Wed Oct 14 22:32:37 CEST 2020


On 14/10/2020 21:19, James Chapman via Freeradius-Users wrote:
> My system is a minimal Ubuntu 20.04 VM with 1G RAM. freeradius is
> version 3.0.20. I attach output of freeradius -X.

Whoops, I should have inlined the freeradius debug output for this list.
Here it is:

> FreeRADIUS Version 3.0.20
> Copyright (C) 1999-2019 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/3.0/dictionary
> including configuration file /etc/freeradius/3.0/radiusd.conf
> including configuration file /etc/freeradius/3.0/proxy.conf
> including configuration file /etc/freeradius/3.0/clients.conf
> including files in directory /etc/freeradius/3.0/mods-enabled/
> including configuration file /etc/freeradius/3.0/mods-enabled/preprocess
> including configuration file /etc/freeradius/3.0/mods-enabled/always
> including configuration file /etc/freeradius/3.0/mods-enabled/ippool
> including configuration file /etc/freeradius/3.0/mods-enabled/attr_filter
> including configuration file /etc/freeradius/3.0/mods-enabled/chap
> including configuration file /etc/freeradius/3.0/mods-enabled/digest
> including configuration file /etc/freeradius/3.0/mods-enabled/expiration
> including configuration file /etc/freeradius/3.0/mods-enabled/files
> including configuration file /etc/freeradius/3.0/mods-enabled/echo
> including configuration file /etc/freeradius/3.0/mods-enabled/realm
> including configuration file /etc/freeradius/3.0/mods-enabled/utf8
> including configuration file /etc/freeradius/3.0/mods-enabled/exec
> including configuration file /etc/freeradius/3.0/mods-enabled/pap
> including configuration file /etc/freeradius/3.0/mods-enabled/logintime
> including configuration file /etc/freeradius/3.0/mods-enabled/unpack
> including configuration file /etc/freeradius/3.0/mods-enabled/linelog
> including files in directory /etc/freeradius/3.0/policy.d/
> including configuration file /etc/freeradius/3.0/policy.d/debug
> including configuration file /etc/freeradius/3.0/policy.d/dhcp
> including configuration file /etc/freeradius/3.0/policy.d/abfab-tr
> including configuration file /etc/freeradius/3.0/policy.d/operator-name
> including configuration file
> /etc/freeradius/3.0/policy.d/moonshot-targeted-ids
> including configuration file /etc/freeradius/3.0/policy.d/cui
> including configuration file /etc/freeradius/3.0/policy.d/canonicalization
> including configuration file /etc/freeradius/3.0/policy.d/rfc7542
> including configuration file /etc/freeradius/3.0/policy.d/control
> including configuration file /etc/freeradius/3.0/policy.d/eap
> including configuration file /etc/freeradius/3.0/policy.d/accounting
> including configuration file /etc/freeradius/3.0/policy.d/filter
> including files in directory /etc/freeradius/3.0/sites-enabled/
> including configuration file /etc/freeradius/3.0/sites-enabled/my-vpn
> 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 localhost {
>      ipaddr = 127.0.0.1
>      require_message_authenticator = no
>      secret = <<< secret >>>
>      nas_type = "other"
>      virtual_server = "my-vpn"
>      response_window = 10.000000
>      proto = "udp"
>   limit {
>       max_connections = 16
>       lifetime = 0
>       idle_timeout = 30
>   }
>  }
> Debugger not attached
> systemd watchdog is disabled
>  # Creating Auth-Type = PAP
>  # Creating Auth-Type = CHAP
> radiusd: #### Instantiating modules ####
>  modules {
>   # Loaded module rlm_preprocess
>   # Loading module "preprocess" from file
> /etc/freeradius/3.0/mods-enabled/preprocess
>   preprocess {
>       huntgroups = "/etc/freeradius/3.0/mods-config/preprocess/huntgroups"
>       hints = "/etc/freeradius/3.0/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_always
>   # Loading module "reject" from file
> /etc/freeradius/3.0/mods-enabled/always
>   always reject {
>       rcode = "reject"
>       simulcount = 0
>       mpp = no
>   }
>   # Loading module "fail" from file
> /etc/freeradius/3.0/mods-enabled/always
>   always fail {
>       rcode = "fail"
>       simulcount = 0
>       mpp = no
>   }
>   # Loading module "ok" from file /etc/freeradius/3.0/mods-enabled/always
>   always ok {
>       rcode = "ok"
>       simulcount = 0
>       mpp = no
>   }
>   # Loading module "handled" from file
> /etc/freeradius/3.0/mods-enabled/always
>   always handled {
>       rcode = "handled"
>       simulcount = 0
>       mpp = no
>   }
>   # Loading module "invalid" from file
> /etc/freeradius/3.0/mods-enabled/always
>   always invalid {
>       rcode = "invalid"
>       simulcount = 0
>       mpp = no
>   }
>   # Loading module "userlock" from file
> /etc/freeradius/3.0/mods-enabled/always
>   always userlock {
>       rcode = "userlock"
>       simulcount = 0
>       mpp = no
>   }
>   # Loading module "notfound" from file
> /etc/freeradius/3.0/mods-enabled/always
>   always notfound {
>       rcode = "notfound"
>       simulcount = 0
>       mpp = no
>   }
>   # Loading module "noop" from file
> /etc/freeradius/3.0/mods-enabled/always
>   always noop {
>       rcode = "noop"
>       simulcount = 0
>       mpp = no
>   }
>   # Loading module "updated" from file
> /etc/freeradius/3.0/mods-enabled/always
>   always updated {
>       rcode = "updated"
>       simulcount = 0
>       mpp = no
>   }
>   # Loaded module rlm_ippool
>   # Loading module "main_pool" from file
> /etc/freeradius/3.0/mods-enabled/ippool
>   ippool main_pool {
>       filename = "/etc/freeradius/3.0/db.ippool"
>       ip_index = "/etc/freeradius/3.0/db.ipindex"
>       key = "%{NAS-IP-Address} %{NAS-Port}"
>       range_start = 172.28.0.1
>       range_stop = 172.28.255.254
>       netmask = 255.255.0.0
>       cache_size = 65535
>       override = yes
>       maximum_timeout = 0
>   }
>   # Loaded module rlm_attr_filter
>   # Loading module "attr_filter.post-proxy" from file
> /etc/freeradius/3.0/mods-enabled/attr_filter
>   attr_filter attr_filter.post-proxy {
>       filename = "/etc/freeradius/3.0/mods-config/attr_filter/post-proxy"
>       key = "%{Realm}"
>       relaxed = no
>   }
>   # Loading module "attr_filter.pre-proxy" from file
> /etc/freeradius/3.0/mods-enabled/attr_filter
>   attr_filter attr_filter.pre-proxy {
>       filename = "/etc/freeradius/3.0/mods-config/attr_filter/pre-proxy"
>       key = "%{Realm}"
>       relaxed = no
>   }
>   # Loading module "attr_filter.access_reject" from file
> /etc/freeradius/3.0/mods-enabled/attr_filter
>   attr_filter attr_filter.access_reject {
>       filename =
> "/etc/freeradius/3.0/mods-config/attr_filter/access_reject"
>       key = "%{User-Name}"
>       relaxed = no
>   }
>   # Loading module "attr_filter.access_challenge" from file
> /etc/freeradius/3.0/mods-enabled/attr_filter
>   attr_filter attr_filter.access_challenge {
>       filename =
> "/etc/freeradius/3.0/mods-config/attr_filter/access_challenge"
>       key = "%{User-Name}"
>       relaxed = no
>   }
>   # Loading module "attr_filter.accounting_response" from file
> /etc/freeradius/3.0/mods-enabled/attr_filter
>   attr_filter attr_filter.accounting_response {
>       filename =
> "/etc/freeradius/3.0/mods-config/attr_filter/accounting_response"
>       key = "%{User-Name}"
>       relaxed = no
>   }
>   # Loaded module rlm_chap
>   # Loading module "chap" from file /etc/freeradius/3.0/mods-enabled/chap
>   # Loaded module rlm_digest
>   # Loading module "digest" from file
> /etc/freeradius/3.0/mods-enabled/digest
>   # Loaded module rlm_expiration
>   # Loading module "expiration" from file
> /etc/freeradius/3.0/mods-enabled/expiration
>   # Loaded module rlm_files
>   # Loading module "files" from file
> /etc/freeradius/3.0/mods-enabled/files
>   files {
>       filename = "/etc/freeradius/3.0/mods-config/files/authorize"
>       acctusersfile = "/etc/freeradius/3.0/mods-config/files/accounting"
>       preproxy_usersfile =
> "/etc/freeradius/3.0/mods-config/files/pre-proxy"
>   }
>   # Loaded module rlm_exec
>   # Loading module "echo" from file /etc/freeradius/3.0/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/3.0/mods-enabled/realm
>   realm IPASS {
>       format = "prefix"
>       delimiter = "/"
>       ignore_default = no
>       ignore_null = no
>   }
>   # Loading module "suffix" from file
> /etc/freeradius/3.0/mods-enabled/realm
>   realm suffix {
>       format = "suffix"
>       delimiter = "@"
>       ignore_default = no
>       ignore_null = no
>   }
>   # Loading module "bangpath" from file
> /etc/freeradius/3.0/mods-enabled/realm
>   realm bangpath {
>       format = "prefix"
>       delimiter = "!"
>       ignore_default = no
>       ignore_null = no
>   }
>   # Loading module "realmpercent" from file
> /etc/freeradius/3.0/mods-enabled/realm
>   realm realmpercent {
>       format = "suffix"
>       delimiter = "%"
>       ignore_default = no
>       ignore_null = no
>   }
>   # Loading module "ntdomain" from file
> /etc/freeradius/3.0/mods-enabled/realm
>   realm ntdomain {
>       format = "prefix"
>       delimiter = "\\"
>       ignore_default = no
>       ignore_null = no
>   }
>   # Loaded module rlm_utf8
>   # Loading module "utf8" from file /etc/freeradius/3.0/mods-enabled/utf8
>   # Loading module "exec" from file /etc/freeradius/3.0/mods-enabled/exec
>   exec {
>       wait = no
>       input_pairs = "request"
>       shell_escape = yes
>       timeout = 10
>   }
>   # Loaded module rlm_pap
>   # Loading module "pap" from file /etc/freeradius/3.0/mods-enabled/pap
>   pap {
>       normalise = yes
>   }
>   # Loaded module rlm_logintime
>   # Loading module "logintime" from file
> /etc/freeradius/3.0/mods-enabled/logintime
>   logintime {
>       minimum_timeout = 60
>   }
>   # Loaded module rlm_unpack
>   # Loading module "unpack" from file
> /etc/freeradius/3.0/mods-enabled/unpack
>   # Loaded module rlm_linelog
>   # Loading module "linelog" from file
> /etc/freeradius/3.0/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/3.0/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}"
>   }
>   instantiate {
>   }
>   # Instantiating module "preprocess" from file
> /etc/freeradius/3.0/mods-enabled/preprocess
> reading pairlist file
> /etc/freeradius/3.0/mods-config/preprocess/huntgroups
> reading pairlist file /etc/freeradius/3.0/mods-config/preprocess/hints
>   # Instantiating module "reject" from file
> /etc/freeradius/3.0/mods-enabled/always
>   # Instantiating module "fail" from file
> /etc/freeradius/3.0/mods-enabled/always
>   # Instantiating module "ok" from file
> /etc/freeradius/3.0/mods-enabled/always
>   # Instantiating module "handled" from file
> /etc/freeradius/3.0/mods-enabled/always
>   # Instantiating module "invalid" from file
> /etc/freeradius/3.0/mods-enabled/always
>   # Instantiating module "userlock" from file
> /etc/freeradius/3.0/mods-enabled/always
>   # Instantiating module "notfound" from file
> /etc/freeradius/3.0/mods-enabled/always
>   # Instantiating module "noop" from file
> /etc/freeradius/3.0/mods-enabled/always
>   # Instantiating module "updated" from file
> /etc/freeradius/3.0/mods-enabled/always
>   # Instantiating module "main_pool" from file
> /etc/freeradius/3.0/mods-enabled/ippool
>   # Instantiating module "attr_filter.post-proxy" from file
> /etc/freeradius/3.0/mods-enabled/attr_filter
> reading pairlist file
> /etc/freeradius/3.0/mods-config/attr_filter/post-proxy
>   # Instantiating module "attr_filter.pre-proxy" from file
> /etc/freeradius/3.0/mods-enabled/attr_filter
> reading pairlist file
> /etc/freeradius/3.0/mods-config/attr_filter/pre-proxy
>   # Instantiating module "attr_filter.access_reject" from file
> /etc/freeradius/3.0/mods-enabled/attr_filter
> reading pairlist file
> /etc/freeradius/3.0/mods-config/attr_filter/access_reject
>   # Instantiating module "attr_filter.access_challenge" from file
> /etc/freeradius/3.0/mods-enabled/attr_filter
> reading pairlist file
> /etc/freeradius/3.0/mods-config/attr_filter/access_challenge
>   # Instantiating module "attr_filter.accounting_response" from file
> /etc/freeradius/3.0/mods-enabled/attr_filter
> reading pairlist file
> /etc/freeradius/3.0/mods-config/attr_filter/accounting_response
>   # Instantiating module "expiration" from file
> /etc/freeradius/3.0/mods-enabled/expiration
>   # Instantiating module "files" from file
> /etc/freeradius/3.0/mods-enabled/files
> reading pairlist file /etc/freeradius/3.0/mods-config/files/authorize
> reading pairlist file /etc/freeradius/3.0/vpnusers/all-users
> reading pairlist file /etc/freeradius/3.0/mods-config/files/accounting
> reading pairlist file /etc/freeradius/3.0/mods-config/files/pre-proxy
>   # Instantiating module "IPASS" from file
> /etc/freeradius/3.0/mods-enabled/realm
>   # Instantiating module "suffix" from file
> /etc/freeradius/3.0/mods-enabled/realm
>   # Instantiating module "bangpath" from file
> /etc/freeradius/3.0/mods-enabled/realm
>   # Instantiating module "realmpercent" from file
> /etc/freeradius/3.0/mods-enabled/realm
>   # Instantiating module "ntdomain" from file
> /etc/freeradius/3.0/mods-enabled/realm
>   # Instantiating module "pap" from file
> /etc/freeradius/3.0/mods-enabled/pap
>   # Instantiating module "logintime" from file
> /etc/freeradius/3.0/mods-enabled/logintime
>   # Instantiating module "linelog" from file
> /etc/freeradius/3.0/mods-enabled/linelog
>   # Instantiating module "log_accounting" from file
> /etc/freeradius/3.0/mods-enabled/linelog
>  } # modules
> radiusd: #### Loading Virtual Servers ####
> server { # from file /etc/freeradius/3.0/radiusd.conf
> } # server
> server my-vpn { # from file /etc/freeradius/3.0/sites-enabled/my-vpn
>  # Loading authenticate {...}
>  # Loading authorize {...}
>  # Loading preacct {...}
>  # Loading accounting {...}
>  # Loading post-auth {...}
> } # server my-vpn
> radiusd: #### Opening IP addresses and Ports ####
> listen {
>       type = "auth"
>       ipaddr = 127.0.0.1
>       port = 1812
> }
> listen {
>       type = "acct"
>       ipaddr = 127.0.0.1
>       port = 1813
> }
> Listening on auth interface lo address 127.0.0.1 port 1812 bound to
> server my-vpn
> Listening on acct interface lo address 127.0.0.1 port 1813 bound to
> server my-vpn
> Listening on proxy address * port 44209
> Ready to process requests





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