freeradius 2.1.10 DHCP not responding
Arran Cudbard-Bell
a.cudbardb at googlemail.com
Wed Oct 13 20:28:17 CEST 2010
IIRC there were problems binding the server to IP addresses. Try just
binding to an interface or being promiscuous.
On 13/10/2010, Zietz, Marco <Marco.Zietz at pfalzkom-manet.de> wrote:
> Hi,
>
> I'm playing with freeradius acting as DHCP-server - which is a
> magnificent idea!
>
> Got a little problem getting it up and running. Already checked any
> comments in sources, list archive, recent git patches related to dhcp
> and my favourite search engine. Also used two different machines with
> other nic's.
> Used
> ftp://ftp.freeradius.org/pub/freeradius/freeradius-server-2.1.10.tar.bz2
> and followed directions in raddb/sites-enabled/dhcp. Configure, make and
> make install with no errors/warnings. But radiusd does not react to any
> DHCP-discover. I can see the discovers coming in via tcpdump but radiusd
> -X remains quiet:
>
> =============================
> linux:/usr/local/src# tcpdump -vvvni eth0
> tcpdump: WARNING: eth0: no IPv4 address assigned
> tcpdump: listening on eth0, link-type EN10MB (Ethernet), capture size 96
> bytes
> 17:19:09.548866 vlan 72, p 0, IP (tos 0x0, ttl 64, id 17503, offset 0,
> flags [none], proto UDP (17), length 377)
> 0.0.0.0.68 > 255.255.255.255.67: BOOTP/DHCP, Request from
> bc:05:43:41:1d:8d, length 349, xid 0x7e969d44, Flags [none] (0x0000)
> Client-Ethernet-Address bc:05:43:XX:1d:8d [|bootp]
> 17:19:00.583066 vlan 73, p 0, IP (tos 0x0, ttl 64, id 2146, offset 0,
> flags [none], proto UDP (17), length 373)
> 0.0.0.0.68 > 255.255.255.255.67: BOOTP/DHCP, Request from
> bc:05:43:41:1d:8e, length 345, xid 0x48413368, Flags [none] (0x0000)
> Client-Ethernet-Address bc:05:43:XX:1d:8e [|bootp]
>
> =============================
> linux:/usr/local# /usr/local/sbin/radiusd -X
> FreeRADIUS Version 2.1.10, for host i686-pc-linux-gnu, built on Oct 13
> 2010 at 16:06:27
> 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 /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 files in directory /usr/local/etc/raddb/modules/
> including configuration file /usr/local/etc/raddb/modules/acct_unique
> including configuration file /usr/local/etc/raddb/modules/krb5
> including configuration file /usr/local/etc/raddb/modules/detail
> including configuration file /usr/local/etc/raddb/modules/counter
> 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/attr_filter
> including configuration file /usr/local/etc/raddb/modules/echo
> including configuration file /usr/local/etc/raddb/modules/exec
> including configuration file /usr/local/etc/raddb/modules/otp
> including configuration file /usr/local/etc/raddb/modules/opendirectory
> including configuration file /usr/local/etc/raddb/modules/sql_log
> including configuration file /usr/local/etc/raddb/modules/realm
> including configuration file /usr/local/etc/raddb/modules/smbpasswd
> including configuration file
> /usr/local/etc/raddb/modules/dynamic_clients
> including configuration file /usr/local/etc/raddb/modules/unix
> including configuration file /usr/local/etc/raddb/modules/digest
> including configuration file /usr/local/etc/raddb/modules/linelog
> including configuration file /usr/local/etc/raddb/modules/mac2vlan
> including configuration file /usr/local/etc/raddb/modules/sradutmp
> including configuration file /usr/local/etc/raddb/modules/cui
> including configuration file /usr/local/etc/raddb/modules/wimax
> including configuration file /usr/local/etc/raddb/modules/files
> including configuration file /usr/local/etc/raddb/modules/etc_group
> including configuration file /usr/local/etc/raddb/modules/pam
> including configuration file /usr/local/etc/raddb/modules/perl
> including configuration file /usr/local/etc/raddb/modules/checkval
> including configuration file /usr/local/etc/raddb/modules/expr
> including configuration file
> /usr/local/etc/raddb/modules/sqlcounter_expire_on_login
> including configuration file /usr/local/etc/raddb/modules/ntlm_auth
> including configuration file /usr/local/etc/raddb/modules/chap
> including configuration file /usr/local/etc/raddb/modules/passwd
> including configuration file /usr/local/etc/raddb/modules/radutmp
> including configuration file /usr/local/etc/raddb/modules/pap
> including configuration file /usr/local/etc/raddb/modules/ldap
> including configuration file /usr/local/etc/raddb/modules/detail.log
> including configuration file /usr/local/etc/raddb/modules/ippool
> including configuration file /usr/local/etc/raddb/modules/mschap
> including configuration file /usr/local/etc/raddb/modules/inner-eap
> including configuration file /usr/local/etc/raddb/modules/always
> including configuration file /usr/local/etc/raddb/modules/expiration
> including configuration file /usr/local/etc/raddb/modules/mac2ip
> including configuration file
> /usr/local/etc/raddb/modules/detail.example.com
> including configuration file /usr/local/etc/raddb/modules/smsotp
> including configuration file /usr/local/etc/raddb/modules/logintime
> including configuration file /usr/local/etc/raddb/modules/preprocess
> including configuration file /usr/local/etc/raddb/eap.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/control-socket
> including configuration file
> /usr/local/etc/raddb/sites-enabled/dhcp.net2
> including configuration file
> /usr/local/etc/raddb/sites-enabled/dhcp.net1
> including configuration file /usr/local/etc/raddb/sites-enabled/default
> including configuration file
> /usr/local/etc/raddb/sites-enabled/inner-tunnel
> main {
> allow_core_dumps = no
> }
> 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
> pidfile = "/usr/local/var/run/radiusd/radiusd.pid"
> checkrad = "/usr/local/sbin/checkrad"
> debug_level = 0
> proxy_requests = yes
> log {
> stripped_names = no
> auth = no
> auth_badpass = no
> auth_goodpass = no
> }
> security {
> max_attributes = 200
> reject_delay = 1
> status_server = yes
> }
> }
> radiusd: #### Loading Realms and Home Servers ####
> proxy server {
> retry_delay = 5
> retry_count = 3
> default_fallback = no
> dead_time = 120
> wake_all_if_all_dead = no
> }
> home_server localhost {
> ipaddr = 127.0.0.1
> port = 1812
> type = "auth"
> secret = "testing123"
> response_window = 20
> max_outstanding = 65536
> require_message_authenticator = yes
> zombie_period = 40
> status_check = "status-server"
> ping_interval = 30
> check_interval = 30
> num_answers_to_alive = 3
> num_pings_to_alive = 3
> revive_interval = 120
> status_check_timeout = 4
> irt = 2
> mrt = 16
> mrc = 5
> mrd = 30
> }
> home_server_pool my_auth_failover {
> type = fail-over
> home_server = localhost
> }
> realm example.com {
> auth_pool = my_auth_failover
> }
> realm LOCAL {
> }
> radiusd: #### Loading Clients ####
> client localhost {
> ipaddr = 127.0.0.1
> require_message_authenticator = no
> secret = "testing123"
> nastype = "other"
> }
> radiusd: #### Instantiating modules ####
> instantiate {
> Module: Linked to module rlm_exec
> Module: Instantiating module "exec" from file
> /usr/local/etc/raddb/modules/exec
> exec {
> wait = no
> input_pairs = "request"
> shell_escape = yes
> }
> Module: Linked to module rlm_expr
> Module: Instantiating module "expr" from file
> /usr/local/etc/raddb/modules/expr
> Module: Linked to module rlm_expiration
> Module: Instantiating module "expiration" from file
> /usr/local/etc/raddb/modules/expiration
> expiration {
> reply-message = "Password Has Expired "
> }
> Module: Linked to module rlm_logintime
> Module: Instantiating module "logintime" from file
> /usr/local/etc/raddb/modules/logintime
> logintime {
> reply-message = "You are calling outside your allowed timespan
> "
> minimum-timeout = 60
> }
> }
> radiusd: #### Loading Virtual Servers ####
> server dhcp { # from file /usr/local/etc/raddb/sites-enabled/dhcp.net2
> modules {
> Module: Checking dhcp DHCP-Discover {...} for more modules to load
> Module: Linked to module rlm_always
> Module: Instantiating module "ok" from file
> /usr/local/etc/raddb/modules/always
> always ok {
> rcode = "ok"
> simulcount = 0
> mpp = no
> }
> Module: Checking dhcp DHCP-Request {...} for more modules to load
> Module: Checking dhcp (null) {...} for more modules to load
> /usr/local/etc/raddb/sites-enabled/dhcp.net2[123]: No name specified for
> Post-Auth-Type block
> } # modules
> } # server
> server dhcp { # from file /usr/local/etc/raddb/sites-enabled/dhcp.net1
> modules {
> Module: Checking dhcp DHCP-Discover {...} for more modules to load
> Module: Checking dhcp DHCP-Request {...} for more modules to load
> Module: Checking dhcp (null) {...} for more modules to load
> /usr/local/etc/raddb/sites-enabled/dhcp.net1[123]: No name specified for
> Post-Auth-Type block
> } # modules
> } # server
> server inner-tunnel { # from file
> /usr/local/etc/raddb/sites-enabled/inner-tunnel
> modules {
> Module: Checking authenticate {...} for more modules to load
> Module: Linked to module rlm_pap
> Module: Instantiating module "pap" from file
> /usr/local/etc/raddb/modules/pap
> pap {
> encryption_scheme = "auto"
> auto_header = no
> }
> Module: Linked to module rlm_chap
> Module: Instantiating module "chap" from file
> /usr/local/etc/raddb/modules/chap
> Module: Linked to module rlm_mschap
> Module: Instantiating module "mschap" from file
> /usr/local/etc/raddb/modules/mschap
> mschap {
> use_mppe = yes
> require_encryption = no
> require_strong = no
> with_ntdomain_hack = no
> }
> Module: Linked to module rlm_unix
> Module: Instantiating module "unix" from file
> /usr/local/etc/raddb/modules/unix
> unix {
> radwtmp = "/usr/local/var/log/radius/radwtmp"
> }
> Module: Linked to module rlm_eap
> Module: Instantiating module "eap" from file
> /usr/local/etc/raddb/eap.conf
> eap {
> default_eap_type = "md5"
> timer_expire = 60
> ignore_unknown_eap_types = no
> cisco_accounting_username_bug = no
> max_sessions = 4096
> }
> Module: Linked to sub-module rlm_eap_md5
> Module: Instantiating eap-md5
> Module: Linked to sub-module rlm_eap_leap
> Module: Instantiating eap-leap
> Module: Linked to sub-module rlm_eap_gtc
> Module: Instantiating eap-gtc
> gtc {
> challenge = "Password: "
> auth_type = "PAP"
> }
> Ignoring EAP-Type/tls because we do not have OpenSSL support.
> Ignoring EAP-Type/ttls because we do not have OpenSSL support.
> Ignoring EAP-Type/peap because we do not have OpenSSL support.
> Module: Linked to sub-module rlm_eap_mschapv2
> Module: Instantiating eap-mschapv2
> mschapv2 {
> with_ntdomain_hack = no
> }
> Module: Checking authorize {...} for more modules to load
> Module: Linked to module rlm_realm
> Module: Instantiating module "suffix" from file
> /usr/local/etc/raddb/modules/realm
> realm suffix {
> format = "suffix"
> delimiter = "@"
> ignore_default = no
> ignore_null = no
> }
> Module: Linked to module rlm_files
> Module: Instantiating module "files" from file
> /usr/local/etc/raddb/modules/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: Checking session {...} for more modules to load
> Module: Linked to module rlm_radutmp
> Module: Instantiating module "radutmp" from file
> /usr/local/etc/raddb/modules/radutmp
> radutmp {
> filename = "/usr/local/var/log/radius/radutmp"
> username = "%{User-Name}"
> case_sensitive = yes
> check_with_nas = yes
> perm = 384
> callerid = yes
> }
> Module: Checking post-proxy {...} for more modules to load
> Module: Checking post-auth {...} for more modules to load
> Module: Linked to module rlm_attr_filter
> Module: Instantiating module "attr_filter.access_reject" from file
> /usr/local/etc/raddb/modules/attr_filter
> attr_filter attr_filter.access_reject {
> attrsfile = "/usr/local/etc/raddb/attrs.access_reject"
> key = "%{User-Name}"
> }
> } # modules
> } # server
> server { # from file /usr/local/etc/raddb/radiusd.conf
> modules {
> Module: Checking authenticate {...} for more modules to load
> Module: Linked to module rlm_digest
> Module: Instantiating module "digest" from file
> /usr/local/etc/raddb/modules/digest
> Module: Checking authorize {...} for more modules to load
> Module: Linked to module rlm_preprocess
> Module: Instantiating module "preprocess" from file
> /usr/local/etc/raddb/modules/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: Checking preacct {...} for more modules to load
> Module: Linked to module rlm_acct_unique
> Module: Instantiating module "acct_unique" from file
> /usr/local/etc/raddb/modules/acct_unique
> acct_unique {
> key = "User-Name, Acct-Session-Id, NAS-IP-Address,
> Client-IP-Address, NAS-Port"
> }
> Module: Checking accounting {...} for more modules to load
> Module: Linked to module rlm_detail
> Module: Instantiating module "detail" from file
> /usr/local/etc/raddb/modules/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: Instantiating module "attr_filter.accounting_response" from
> file /usr/local/etc/raddb/modules/attr_filter
> attr_filter attr_filter.accounting_response {
> attrsfile = "/usr/local/etc/raddb/attrs.accounting_response"
> key = "%{User-Name}"
> }
> Module: Checking session {...} for more modules to load
> Module: Checking post-proxy {...} for more modules to load
> Module: Checking post-auth {...} for more modules to load
> } # modules
> } # server
> radiusd: #### Opening IP addresses and Ports ####
> listen {
> type = "auth"
> ipaddr = *
> port = 0
> }
> listen {
> type = "acct"
> ipaddr = *
> port = 0
> }
> listen {
> type = "control"
> listen {
> socket = "/usr/local/var/run/radiusd/radiusd.sock"
> }
> }
> listen {
> type = "dhcp"
> ipaddr = 192.168.73.10
> port = 67
> }
> listen {
> type = "dhcp"
> ipaddr = 192.168.72.10
> port = 67
> }
> listen {
> type = "auth"
> ipaddr = 127.0.0.1
> port = 18120
> }
> Listening on authentication address * port 1812
> Listening on accounting address * port 1813
> Listening on command file /usr/local/var/run/radiusd/radiusd.sock
> Listening on dhcp interface vlan73 address 192.168.73.10 port 67 as
> server dhcp
> Listening on dhcp interface vlan72 address 192.168.72.10 port 67 as
> server dhcp
> Listening on authentication address 127.0.0.1 port 18120 as server
> inner-tunnel
> Listening on proxy address * port 1814
> Ready to process requests.
> =============================
>
> linux:/usr/local/etc/raddb/sites-available# egrep -v "^$|^[[:space:]]*#"
> dhcp.net1
> server dhcp {
> listen {
> ipaddr = 192.168.72.10
> port = 67
> type = dhcp
> interface = vlan72
> broadcast = yes
> }
> dhcp DHCP-Discover {
> update reply {
> DHCP-Message-Type = DHCP-Offer
> }
> update reply {
> DHCP-Domain-Name-Server = XXX.65.0.XXX
> DHCP-Domain-Name-Server = XXX.65.31.XXX
> DHCP-Subnet-Mask = 255.255.255.0
> DHCP-Router-Address = 192.168.72.1
> DHCP-IP-Address-Lease-Time = 400
> DHCP-DHCP-Server-Identifier = 192.168.72.10
> }
> ok
> }
> dhcp DHCP-Request {
> update reply {
> DHCP-Message-Type = DHCP-Ack
> }
> update reply {
> DHCP-Domain-Name-Server = XXX.65.0.XXX
> DHCP-Domain-Name-Server = XXX.65.31.XXX
> DHCP-Subnet-Mask = 255.255.255.0
> DHCP-Router-Address = 192.168.72.1
> DHCP-IP-Address-Lease-Time = 400
> DHCP-DHCP-Server-Identifier = 192.168.72.10
> }
> ok
> }
> dhcp {
> reject
> }
> }
> ===================================
>
> Any hint appreciated! If you need extra info let me know.
>
> Thank you for your help!
>
> Cheers
>
> Marco
>
>
> -
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>
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