radiusd server does not respond to radtest from another host

[mbhorner at aol.com]

Hi All,

I installed FreeRADIUS Version 2.1.1, for host i686-suse-linux-gnu on OpenSuse 11.1 using Yast. I am having problems testing the radius server 10.10.10.11 from an external host 10.10.10.10 using radtest. 

Background: I configured clients.conf, users and radiusd.conf. After changing permissions on the /etc/radb/certs directory I was able to start "radiusd -X" without any?reported errors, warnings.

I then successfully tested locally using radtest in another terminal window?on the radius server (IP = 10.10.10.11)

linux-au5f:/home/michael # radtest pencil richard6 10.10.10.11 0 testing123
Sending Access-Request of id 63 to 10.10.10.11 port 1812
?User-Name = "pencil"
?User-Password = "richard6"
?NAS-IP-Address = 127.0.0.2
?NAS-Port = 0
rad_recv: Access-Accept packet from host 10.10.10.11 port 1812, id=63, length=35
?Reply-Message = "Hello, pencil"

Next I tried testing radiusd using radtest from a 2nd host (10.10.10.10), which I had added previously added to the clients.conf (Note I can successfully ping the radius server 10.10.10.11 from this 2nd host 10.10.10.10).?But, I get no response from radius acc-request on either the radiusd terminal window or the radtest terminal window.

Below is the clients.conf definitiion

?client dellM65 {
?ipaddr = 10.10.10.10
?require_message_authenticator = no
?secret = "testing123"
?nastype = "other"
?}

I did a capture with Wireshark and I can see the radius request, but no responses. Have I missed some part of the Freeradius config to recognize the external radtest host?

I have attached some output to hopefully answer anything not described above.

Attached is the radiusd -X output

FreeRADIUS Version 2.1.1, for host i686-suse-linux-gnu, built on Dec? 3 2008 at 10:47:13
Copyright (C) 1999-2008 The FreeRADIUS server project and contributors. 
There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A 
PARTICULAR PURPOSE. 
You may redistribute copies of FreeRADIUS under the terms of the 
GNU General Public License v2. 
Starting - reading configuration files ...
including configuration file /etc/raddb/radiusd.conf
including configuration file /etc/raddb/proxy.conf
including configuration file /etc/raddb/clients.conf
including files in directory /etc/raddb/modules/
including configuration file /etc/raddb/modules/exec
including configuration file /etc/raddb/modules/inner-eap
including configuration file /etc/raddb/modules/sql_log
including configuration file /etc/raddb/modules/ippool
including configuration file /etc/raddb/modules/radutmp
including configuration file /etc/raddb/modules/preprocess
including configuration file /etc/raddb/modules/detail.example.com
including configuration file /etc/raddb/modules/krb5
including configuration file /etc/raddb/modules/passwd
including configuration file /etc/raddb/modules/logintime
including configuration file /etc/raddb/modules/counter
including configuration file /etc/raddb/modules/pap
including configuration file /etc/raddb/modules/detail
including configuration file /etc/raddb/modules/chap
including configuration file /etc/raddb/modules/files
including configuration file /etc/raddb/modules/attr_filter
including configuration file /etc/raddb/modules/unix
including configuration file /etc/raddb/modules/always
including configuration file /etc/raddb/modules/linelog
including configuration file /etc/raddb/modules/policy
including configuration file /etc/raddb/modules/attr_rewrite
including configuration file /etc/raddb/modules/checkval
including configuration file /etc/raddb/modules/echo
including configuration file /etc/raddb/modules/expr
including configuration file /etc/raddb/modules/digest
including configuration file /etc/raddb/modules/wimax
including configuration file /etc/raddb/modules/acct_unique
including configuration file /etc/raddb/modules/etc_group
including configuration file /etc/raddb/modules/sradutmp
including configuration file /etc/raddb/modules/mac2vlan
including configuration file /etc/raddb/modules/mac2ip
including configuration file /etc/raddb/modules/realm
including configuration file /etc/raddb/modules/expiration
including configuration file /etc/raddb/modules/mschap
including configuration file /etc/raddb/modules/smbpasswd
including configuration file /etc/raddb/modules/detail.log
including configuration file /etc/raddb/modules/pam
including configuration file /etc/raddb/modules/ldap
including configuration file /etc/raddb/eap.conf
including configuration file /etc/raddb/sql.conf
including configuration file /etc/raddb/sql/mysql/dialup.conf
including configuration file /etc/raddb/sql/mysql/counter.conf
including configuration file /etc/raddb/policy.conf
including files in directory /etc/raddb/sites-enabled/
including configuration file /etc/raddb/sites-enabled/default
including configuration file /etc/raddb/sites-enabled/inner-tunnel
group = radiusd
user = radiusd
including dictionary file /etc/raddb/dictionary
main {
?prefix = "/usr"
?localstatedir = "/var"
?logdir = "/var/log/radius"
?libdir = "/usr/lib/freeradius"
?radacctdir = "/var/log/radius/radacct"
?hostname_lookups = no
?max_request_time = 30
?cleanup_delay = 5
?max_requests = 1024
?allow_core_dumps = no
?pidfile = "/var/run/radiusd/radiusd.pid"
?checkrad = "/usr/sbin/checkrad"
?debug_level = 0
?proxy_requests = yes
?log {
?stripped_names = yes
?auth = yes
?auth_badpass = yes
?auth_goodpass = yes
?}
?security {
?max_attributes = 200
?reject_delay = 1
?status_server = yes
?}
}
?client localhost {
?ipaddr = 127.0.0.1
?require_message_authenticator = no
?secret = "testing123"
?nastype = "other"
?}
?client 10.10.10.11 {
?require_message_authenticator = no
?secret = "testing123"
?shortname = "liv1"
?}
?client dellM65 {
?ipaddr = 10.10.10.10
?require_message_authenticator = no
?secret = "testing123"
?nastype = "other"
?}
radiusd: #### Loading Realms and Home Servers ####
?proxy server {
?retry_delay = 5
?retry_count = 3
?default_fallback = no
?dead_time = 120
?wake_all_if_all_dead = no
?}
?home_server localhost {
?ipaddr = 127.0.0.1
?port = 1812
?type = "auth"
?secret = "testing123"
?response_window = 20
?max_outstanding = 65536
?zombie_period = 40
?status_check = "status-server"
?ping_interval = 30
?check_interval = 30
?num_answers_to_alive = 3
?num_pings_to_alive = 3
?revive_interval = 120
?status_check_timeout = 4
?}
?home_server_pool my_auth_failover {
?type = fail-over
?home_server = localhost
?}
?realm example.com {
?auth_pool = my_auth_failover
?}
?realm LOCAL {
?}
radiusd: #### Instantiating modules ####
?instantiate {
?Module: Linked to module rlm_exec
?Module: Instantiating exec
? exec {
?wait = no
?input_pairs = "request"
?shell_escape = yes
? }
?Module: Linked to module rlm_expr
?Module: Instantiating expr
?Module: Linked to module rlm_expiration
?Module: Instantiating expiration
? expiration {
?reply-message = "Password Has Expired? "
? }
?Module: Linked to module rlm_logintime
?Module: Instantiating logintime
? logintime {
?reply-message = "You are calling outside your allowed timespan? "
?minimum-timeout = 60
? }
?}
radiusd: #### Loading Virtual Servers ####
server inner-tunnel {
?modules {
?Module: Checking authenticate {...} for more modules to load
?Module: Linked to module rlm_pap
?Module: Instantiating pap
? pap {
?encryption_scheme = "auto"
?auto_header = no
? }
?Module: Linked to module rlm_chap
?Module: Instantiating chap
?Module: Linked to module rlm_mschap
?Module: Instantiating mschap
? mschap {
?use_mppe = yes
?require_encryption = no
?require_strong = no
?with_ntdomain_hack = no
? }
?Module: Linked to module rlm_unix
?Module: Instantiating unix
? unix {
?radwtmp = "/var/log/radius/radwtmp"
? }
?Module: Linked to module rlm_eap
?Module: Instantiating eap
? eap {
?default_eap_type = "md5"
?timer_expire = 60
?ignore_unknown_eap_types = no
?cisco_accounting_username_bug = no
?max_sessions = 2048
? }
?Module: Linked to sub-module rlm_eap_md5
?Module: Instantiating eap-md5
?Module: Linked to sub-module rlm_eap_leap
?Module: Instantiating eap-leap
?Module: Linked to sub-module rlm_eap_gtc
?Module: Instantiating eap-gtc
?? gtc {
?challenge = "Password: "
?auth_type = "PAP"
?? }
?Module: Linked to sub-module rlm_eap_tls
?Module: Instantiating eap-tls
?? tls {
?rsa_key_exchange = no
?dh_key_exchange = yes
?rsa_key_length = 512
?dh_key_length = 512
?verify_depth = 0
?pem_file_type = yes
?private_key_file = "/etc/raddb/certs/server.pem"
?certificate_file = "/etc/raddb/certs/server.pem"
?CA_file = "/etc/raddb/certs/ca.pem"
?private_key_password = "whatever"
?dh_file = "/etc/raddb/certs/dh"
?random_file = "/etc/raddb/certs/random"
?fragment_size = 1024
?include_length = yes
?check_crl = no
?cipher_list = "DEFAULT"
?make_cert_command = "/etc/raddb/certs/bootstrap"
??? cache {
?enable = no
?lifetime = 24
?max_entries = 255
??? }
?? }
?Module: Linked to sub-module rlm_eap_ttls
?Module: Instantiating eap-ttls
?? ttls {
?default_eap_type = "md5"
?copy_request_to_tunnel = no
?use_tunneled_reply = no
?virtual_server = "inner-tunnel"
?? }
?Module: Linked to sub-module rlm_eap_peap
?Module: Instantiating eap-peap
?? peap {
?default_eap_type = "mschapv2"
?copy_request_to_tunnel = no
?use_tunneled_reply = no
?proxy_tunneled_request_as_eap = yes
?virtual_server = "inner-tunnel"
?? }
?Module: Linked to sub-module rlm_eap_mschapv2
?Module: Instantiating eap-mschapv2
?? mschapv2 {
?with_ntdomain_hack = no
?? }
?Module: Checking authorize {...} for more modules to load
?Module: Linked to module rlm_realm
?Module: Instantiating suffix
? realm suffix {
?format = "suffix"
?delimiter = "@"
?ignore_default = no
?ignore_null = no
? }
?Module: Linked to module rlm_files
?Module: Instantiating files
? files {
?usersfile = "/etc/raddb/users"
?acctusersfile = "/etc/raddb/acct_users"
?preproxy_usersfile = "/etc/raddb/preproxy_users"
?compat = "no"
? }
?Module: Checking session {...} for more modules to load
?Module: Linked to module rlm_radutmp
?Module: Instantiating radutmp
? radutmp {
?filename = "/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 attr_filter.access_reject
? attr_filter attr_filter.access_reject {
?attrsfile = "/etc/raddb/attrs.access_reject"
?key = "%{User-Name}"
? }
?}
}
?modules {
?Module: Checking authenticate {...} for more modules to load
?Module: Checking authorize {...} for more modules to load
?Module: Linked to module rlm_preprocess
?Module: Instantiating preprocess
? preprocess {
?huntgroups = "/etc/raddb/huntgroups"
?hints = "/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 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 detail
? detail {
?detailfile = "/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 attr_filter.accounting_response
? attr_filter attr_filter.accounting_response {
?attrsfile = "/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
?}
radiusd: #### Opening IP addresses and Ports ####
listen {
?type = "auth"
?ipaddr = 10.10.10.11
?port = 1812
}
listen {
?type = "acct"
?ipaddr = *
?port = 0
}
Listening on authentication address 10.10.10.11 port 1812
Listening on accounting address * port 1813
Listening on proxy address 10.10.10.11 port 1814
Ready to process requests.


Attached is wireshark capture on the radius server (10.10.10.11) showing the packet arrives from the rad test client (10.10.10.10)

No.???? Time??????? Source??????????????? Destination?????????? Protocol Info
????? 2 2.997586??? 10.10.10.10?????????? 10.10.10.11?????????? RADIUS?? Access-Request(1) (id=241, l=58), Duplicate Request ID:241

Frame 2 (100 bytes on wire, 100 bytes captured)
??? Arrival Time: Mar? 7, 2009 10:02:20.966147000
??? [Time delta from previous captured frame: 2.997586000 seconds]
??? [Time delta from previous displayed frame: 2.997586000 seconds]
??? [Time since reference or first frame: 2.997586000 seconds]
??? Frame Number: 2
??? Frame Length: 100 bytes
??? Capture Length: 100 bytes
??? [Frame is marked: False]
??? [Protocols in frame: eth:ip:udp:radius]
??? [Coloring Rule Name: UDP]
??? [Coloring Rule String: udp]
Ethernet II, Src: 3com_ac:0a:0c (00:50:da:ac:0a:0c), Dst: DellPcba_78:86:32 (00:0d:56:78:86:32)
??? Destination: DellPcba_78:86:32 (00:0d:56:78:86:32)
??????? Address: DellPcba_78:86:32 (00:0d:56:78:86:32)
??????? .... ...0 .... .... .... .... = IG bit: Individual address (unicast)
??????? .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)
??? Source: 3com_ac:0a:0c (00:50:da:ac:0a:0c)
??????? Address: 3com_ac:0a:0c (00:50:da:ac:0a:0c)
??????? .... ...0 .... .... .... .... = IG bit: Individual address (unicast)
??????? .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)
??? Type: IP (0x0800)
Internet Protocol, Src: 10.10.10.10 (10.10.10.10), Dst: 10.10.10.11 (10.10.10.11)
??? Version: 4
??? Header length: 20 bytes
??? Differentiated Services Field: 0x00 (DSCP 0x00: Default; ECN: 0x00)
??????? 0000 00.. = Differentiated Services Codepoint: Default (0x00)
??????? .... ..0. = ECN-Capable Transport (ECT): 0
??????? .... ...0 = ECN-CE: 0
??? Total Length: 86
??? Identification: 0x0000 (0)
??? Flags: 0x04 (Don't Fragment)
??????? 0... = Reserved bit: Not set
??????? .1.. = Don't fragment: Set
??????? ..0. = More fragments: Not set
??? Fragment offset: 0
??? Time to live: 64
??? Protocol: UDP (0x11)
??? Header checksum: 0x126f [correct]
??????? [Good: True]
??????? [Bad : False]
??? Source: 10.10.10.10 (10.10.10.10)
??? Destination: 10.10.10.11 (10.10.10.11)
User Datagram Protocol, Src Port: 47970 (47970), Dst Port: radius (1812)
??? Source port: 47970 (47970)
??? Destination port: radius (1812)
??? Length: 66
??? Checksum: 0xc264 [correct]
??????? [Good Checksum: True]
??????? [Bad Checksum: False]
Radius Protocol
??? Code: Access-Request (1)
??? Packet identifier: 0xf1 (241)
??? Length: 58
??? Authenticator: DF4A578FEB08708AEFEA3236CA37650C
??? [Duplicate Request: 241]
??? Attribute Value Pairs
??????? AVP: l=8? t=User-Name(1): pencil
??????????? User-Name: pencil
??????? AVP: l=18? t=User-Password(2): Encrypted
??????????? User-Password: \267\017U\227\320\216\305\y\373\314\377\306\316\350\255
??????? AVP: l=6? t=NAS-IP-Address(4): 127.0.0.2
??????????? NAS-IP-Address: 127.0.0.2 (127.0.0.2)
??????? AVP: l=6? t=NAS-Port(5): 0
??????????? NAS-Port: 0







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