Some background on what we have here: - We have a Cisco wireless infrastructure (WLC 4400, a bunch of 1131s) and clients running SecureW2 supplicant. We want to authenticate and authorize them against our directory services. The 802.1x/EAP-TTLS/PAP method was suggested and we went with it. - user's directory is eDirectory and accessed via Novell LDAP v3 interface. (authentication is working and SSL secured [SLDAP]) - Radius server is on separate hardware, OS is Novell SUSE Enterprise Linux (SLES) 10 SP3 and is NOT running eDirectory. - FreeRADIUS 2.1.8 downloaded from FreeRADIUS.org and built from scratch with -eDIR options (compiled perfectly into RPMs and installed into OS perfectly). - Config files and debug output to follow the base email below. - I have my NAS listed in the huntgroups.config - I set correct type of NAS in the file "/etc/raddb/clients.config". I set it to "cisco" (We assume this directs "checkrad.pl" to use that method) - I set the username to SNMP, password is the community string in the clients config - I have accounting turned on my NAS and we see accounting messages coming in when sessions expire.(see debug output below) We can't get simultaneous login to work. We are trying to restrict simultaneous use to allow only one user to be logged at once. (1) Some things that we have picked up on are that the checkrad.pl perl script is not able to access the Cisco 4400 wireless controller's data properly to access the session information. I think this may be partly us not knowing how a session is considered unique and two how the cisco section in the script polls the MIB for session data. We know based on the new Cisco Airespace MIB that sessions are listed by MAC address but from there not sure how to map that onto what FreeRADIUS is looking for. SNMP access to the device is working, we can see the request on the line using Wireshark and snmpwalk returns system data. Perhaps it has something to do with adding Simultaneous-use parameter to the check items first line. I am not sure where to find "check items". Our usernames are coming from eDirectory and we have followed the Novell documentation on what to do there. The data is then presented to FreeRADIUS via LDAP. When I go into Radius users using Novell iManager I can see some options for "check items" but none are set. (2) Another oddity is radwho. When the user logs in the first time they show up in radwho. When I have someone login again using the same username but on a different laptop the newest login overwrites the entry in radwho instead of adding to it. Should that not be a separate unique session and thus two should appear in the listing? I have read the documentation: - I installed the mrtg package (to allow the chekrad.pl to talk SNMP natively and that does work just not polling the right data we think) - I put this line in the "/raddb/users.config" file at the top of the file (the first non commented line): DEFAULT Simultaneous-Use := 1 Fall-Through = 1 We are not doing groups, everyone in our directory is allowed on the wireless so we used "DEFAULT".
Here is my debug output when I start radius: radius:~ # radiusd -X FreeRADIUS Version 2.1.8, for host i686-suse-linux-gnu, built on Jan 23 2010 at 01:51:06 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/raddb/radiusd.conf including configuration file /etc/raddb/clients.conf including files in directory /etc/raddb/modules/ including configuration file /etc/raddb/modules/cui including configuration file /etc/raddb/modules/pam including configuration file /etc/raddb/modules/pap including configuration file /etc/raddb/modules/otp including configuration file /etc/raddb/modules/chap including configuration file /etc/raddb/modules/echo including configuration file /etc/raddb/modules/exec including configuration file /etc/raddb/modules/expr including configuration file /etc/raddb/modules/ldap including configuration file /etc/raddb/modules/krb5 including configuration file /etc/raddb/modules/perl including configuration file /etc/raddb/modules/unix including configuration file /etc/raddb/modules/inner-eap including configuration file /etc/raddb/modules/radutmp including configuration file /etc/raddb/modules/counter including configuration file /etc/raddb/modules/acct_unique including configuration file /etc/raddb/modules/files including configuration file /etc/raddb/modules/realm including configuration file /etc/raddb/modules/wimax including configuration file /etc/raddb/modules/mac2vlan including configuration file /etc/raddb/modules/linelog including configuration file /etc/raddb/modules/sqlcounter_expire_on_login including configuration file /etc/raddb/modules/detail.example.com including configuration file /etc/raddb/modules/checkval including configuration file /etc/raddb/modules/ntlm_auth including configuration file /etc/raddb/modules/logintime including configuration file /etc/raddb/modules/sql_log including configuration file /etc/raddb/modules/sradutmp including configuration file /etc/raddb/modules/always including configuration file /etc/raddb/modules/attr_rewrite including configuration file /etc/raddb/modules/detail including configuration file /etc/raddb/modules/digest including configuration file /etc/raddb/modules/ippool including configuration file /etc/raddb/modules/mac2ip including configuration file /etc/raddb/modules/mschap including configuration file /etc/raddb/modules/smbpasswd including configuration file /etc/raddb/modules/passwd including configuration file /etc/raddb/modules/policy including configuration file /etc/raddb/modules/smsotp including configuration file /etc/raddb/modules/etc_group including configuration file /etc/raddb/modules/preprocess including configuration file /etc/raddb/modules/attr_filter including configuration file /etc/raddb/modules/detail.log including configuration file /etc/raddb/modules/expiration including configuration file /etc/raddb/eap.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 including configuration file /etc/raddb/sites-enabled/control-socket main { user = "radiusd" group = "radiusd" allow_core_dumps = no } 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 pidfile = "/var/run/radiusd/radiusd.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 #### radiusd: #### Loading Clients #### client 172.16.33.2 { require_message_authenticator = no secret = 11111 shortname = "wlc-nsac-exteng-4404-6" nastype = "cisco" } client 172.16.33.4 { require_message_authenticator = no secret = "1111" shortname = "wlc-nsac-exteng-4404-7" nastype = "cisco" } client 172.16.19.130 { require_message_authenticator = no secret = "1111" nastype = "other" } client 172.16.3.107 { require_message_authenticator = no secret = "1111" nastype = "other" } client 172.16.19.132 { require_message_authenticator = no secret = "1111" nastype = "other" } 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 = 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 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 = yes 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" } 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_ldap Module: Instantiating ldap ldap { server = "172.16.3.52" port = 636 password = "111111" identity = "cn=THELDAPBIND,ou=USERS,o=NSAC" net_timeout = 1 timeout = 4 timelimit = 3 tls_mode = no start_tls = no tls_require_cert = "allow" tls { start_tls = no cacertfile = "/etc/raddb/certs/cert.b64" require_cert = "demand" } basedn = "o=NSAC" filter = "(&(uid=%{%{Stripped-User-Name}:-%{User-Name}})(!(THELDAPBIND=1)))" base_filter = "(objectclass=radiusprofile)" password_attribute = "11111" auto_header = no access_attr_used_for_allow = yes groupname_attribute = "cn" groupmembership_filter = "(|(&(objectClass=GroupOfNames)(member=%{Ldap-UserDn}))(&(objectClass=GroupOfUniqueNames)(uniquemember=%{Ldap-UserDn})))" dictionary_mapping = "/etc/raddb/ldap.attrmap" ldap_debug = 0 ldap_connections_number = 5 compare_check_items = no do_xlat = yes edir_account_policy_check = yes set_auth_type = yes } rlm_ldap: Registering ldap_groupcmp for Ldap-Group rlm_ldap: Registering ldap_xlat with xlat_name ldap rlm_ldap: Over-riding set_auth_type, as there is no module ldap listed in the "authenticate" section. rlm_ldap: reading ldap<->radius mappings from file /etc/raddb/ldap.attrmap rlm_ldap: LDAP radiusCheckItem mapped to RADIUS $GENERIC$ rlm_ldap: LDAP radiusReplyItem mapped to RADIUS $GENERIC$ rlm_ldap: LDAP radiusAuthType mapped to RADIUS Auth-Type rlm_ldap: LDAP radiusSimultaneousUse mapped to RADIUS Simultaneous-Use rlm_ldap: LDAP radiusCalledStationId mapped to RADIUS Called-Station-Id rlm_ldap: LDAP radiusCallingStationId mapped to RADIUS Calling-Station-Id rlm_ldap: LDAP lmPassword mapped to RADIUS LM-Password rlm_ldap: LDAP ntPassword mapped to RADIUS NT-Password rlm_ldap: LDAP sambaLmPassword mapped to RADIUS LM-Password rlm_ldap: LDAP sambaNtPassword mapped to RADIUS NT-Password rlm_ldap: LDAP dBCSPwd mapped to RADIUS LM-Password rlm_ldap: LDAP acctFlags mapped to RADIUS SMB-Account-CTRL-TEXT rlm_ldap: LDAP radiusExpiration mapped to RADIUS Expiration rlm_ldap: LDAP radiusNASIpAddress mapped to RADIUS NAS-IP-Address rlm_ldap: LDAP radiusServiceType mapped to RADIUS Service-Type rlm_ldap: LDAP radiusFramedProtocol mapped to RADIUS Framed-Protocol rlm_ldap: LDAP radiusFramedIPAddress mapped to RADIUS Framed-IP-Address rlm_ldap: LDAP radiusFramedIPNetmask mapped to RADIUS Framed-IP-Netmask rlm_ldap: LDAP radiusFramedRoute mapped to RADIUS Framed-Route rlm_ldap: LDAP radiusFramedRouting mapped to RADIUS Framed-Routing rlm_ldap: LDAP radiusFilterId mapped to RADIUS Filter-Id rlm_ldap: LDAP radiusFramedMTU mapped to RADIUS Framed-MTU rlm_ldap: LDAP radiusFramedCompression mapped to RADIUS Framed-Compression rlm_ldap: LDAP radiusLoginIPHost mapped to RADIUS Login-IP-Host rlm_ldap: LDAP radiusLoginService mapped to RADIUS Login-Service rlm_ldap: LDAP radiusLoginTCPPort mapped to RADIUS Login-TCP-Port rlm_ldap: LDAP radiusCallbackNumber mapped to RADIUS Callback-Number rlm_ldap: LDAP radiusCallbackId mapped to RADIUS Callback-Id rlm_ldap: LDAP radiusFramedIPXNetwork mapped to RADIUS Framed-IPX-Network rlm_ldap: LDAP radiusClass mapped to RADIUS Class rlm_ldap: LDAP radiusSessionTimeout mapped to RADIUS Session-Timeout rlm_ldap: LDAP radiusIdleTimeout mapped to RADIUS Idle-Timeout rlm_ldap: LDAP radiusTerminationAction mapped to RADIUS Termination-Action rlm_ldap: LDAP radiusLoginLATService mapped to RADIUS Login-LAT-Service rlm_ldap: LDAP radiusLoginLATNode mapped to RADIUS Login-LAT-Node rlm_ldap: LDAP radiusLoginLATGroup mapped to RADIUS Login-LAT-Group rlm_ldap: LDAP radiusFramedAppleTalkLink mapped to RADIUS Framed-AppleTalk-Link rlm_ldap: LDAP radiusFramedAppleTalkNetwork mapped to RADIUS Framed-AppleTalk-Network rlm_ldap: LDAP radiusFramedAppleTalkZone mapped to RADIUS Framed-AppleTalk-Zone rlm_ldap: LDAP radiusPortLimit mapped to RADIUS Port-Limit rlm_ldap: LDAP radiusLoginLATPort mapped to RADIUS Login-LAT-Port rlm_ldap: LDAP radiusReplyMessage mapped to RADIUS Reply-Message rlm_ldap: LDAP radiusTunnelType mapped to RADIUS Tunnel-Type rlm_ldap: LDAP radiusTunnelMediumType mapped to RADIUS Tunnel-Medium-Type rlm_ldap: LDAP radiusTunnelPrivateGroupId mapped to RADIUS Tunnel-Private-Group-Id conns: 0x8189198 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 } # server server { 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 } # 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 = "/var/run/radiusd/radiusd.sock" } } Listening on authentication address * port 1812 Listening on accounting address * port 1813 Listening on command file /var/run/radiusd/radiusd.sock Listening on proxy address * port 1814 Ready to process requests. part 2 has more output. 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