WPA2 802.1X PEAPv0/EAP-MSCHAPv2
Greetings! I am at a road block here. I know setting up WPA2 Enterprise PEAPv0/EAP-MSCHAPv2 / 802.1X should be simple. It just isn't working! Perhaps I am suffering from green screen syndrome :) I have followed directions from: http://tldp.org/HOWTO/html_single/8021X-HOWTO/ Aside from mschap being in the <etcdir>/raddb/modules directory and needing to enable mppe, the instructions are fairly straight forward. The certificates are generated from our certificate store. I'm trying a less complicated set up before moving on to OpenLDAP/Kerberos. During the build process, I made sure that OpenSSL was available. LDD shows that it is linked: # ldd /usr/local/sbin/radiusd /usr/local/sbin/radiusd: libfreeradius-radius-2.1.8.so => /usr/local/lib/freeradius-2.1.8/libfreeradius-radius-2.1.8.so (0x280b3000) libcrypt.so.2 => /lib/libcrypt.so.2 (0x280d5000) libltdl.so.7 => /usr/local/lib/libltdl.so.7 (0x280ed000) libssl.so.5 => /usr/local/lib/libssl.so.5 (0x280f7000) libcrypto.so.5 => /usr/local/lib/libcrypto.so.5 (0x2813e000) libpthread.so.1 => /usr/lib/libpthread.so.1 (0x282af000) libc.so.5 => /lib/libc.so.5 (0x282d3000) libz.so.2 => /lib/libz.so.2 (0x283ad000) The client computers are laptops running OpenSUSE 11.2 x86_64. Knetworkmanager is being used to configure the wireless security. the settings are: Security: WPA/WPA2 Enterprise Authentication: Protected EAP (PEAP) Anonymous Identity: <blank> CA Certificate: /etc/ssl/certs/ca.pem PEAP Version: Version 0 Inner Authentication: MSCHAPv2 Username: billgates Password: 98502 The "users" file contains: billgates User-Password := "98502" What I get on the test laptop in wpa_supplicant: Associated with 00:00:00:c0:ff:ee CTRL-EVENT-EAP-STARTED EAP Authentication started OpenSSL: tls_connection_ca_cert - Failed to parse ca_cert_blob error:0D0680A8:ASN1 encoding routines: ASN1_CHECK_TLEN:wrong tag openSSL: pending error: error:0D07803A:asn1 encoding routines:ASN1_ITEM_EX_D2I:nested asn1 error TLS: Failed to set TLS connection parameters EAP-PEAP: Failed to initialize SSL. EAP: Failed to initialize EAP method: vendor 0 method 25 (PEAP) CTRL-EVENT-DISCONNECTED - Disconnect Event - Remove keys (this is repeated in the log several times) Debug Output: FreeRADIUS Version 2.1.8 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/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/always including configuration file /usr/local/etc/raddb/modules/attr_filter including configuration file /usr/local/etc/raddb/modules/attr_rewrite including configuration file /usr/local/etc/raddb/modules/chap including configuration file /usr/local/etc/raddb/modules/checkval including configuration file /usr/local/etc/raddb/modules/counter including configuration file /usr/local/etc/raddb/modules/cui including configuration file /usr/local/etc/raddb/modules/detail including configuration file /usr/local/etc/raddb/modules/detail.example.com including configuration file /usr/local/etc/raddb/modules/detail.log including configuration file /usr/local/etc/raddb/modules/digest including configuration file /usr/local/etc/raddb/modules/echo including configuration file /usr/local/etc/raddb/modules/etc_group including configuration file /usr/local/etc/raddb/modules/exec including configuration file /usr/local/etc/raddb/modules/expiration including configuration file /usr/local/etc/raddb/modules/expr including configuration file /usr/local/etc/raddb/modules/files including configuration file /usr/local/etc/raddb/modules/inner-eap including configuration file /usr/local/etc/raddb/modules/ippool including configuration file /usr/local/etc/raddb/modules/krb5 including configuration file /usr/local/etc/raddb/modules/ldap including configuration file /usr/local/etc/raddb/modules/linelog including configuration file /usr/local/etc/raddb/modules/logintime including configuration file /usr/local/etc/raddb/modules/mac2ip including configuration file /usr/local/etc/raddb/modules/mac2vlan including configuration file /usr/local/etc/raddb/modules/mschap including configuration file /usr/local/etc/raddb/modules/ntlm_auth including configuration file /usr/local/etc/raddb/modules/otp including configuration file /usr/local/etc/raddb/modules/pam including configuration file /usr/local/etc/raddb/modules/pap including configuration file /usr/local/etc/raddb/modules/passwd including configuration file /usr/local/etc/raddb/modules/perl including configuration file /usr/local/etc/raddb/modules/policy including configuration file /usr/local/etc/raddb/modules/preprocess including configuration file /usr/local/etc/raddb/modules/radutmp 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/smsotp including configuration file /usr/local/etc/raddb/modules/sql_log including configuration file /usr/local/etc/raddb/modules/sqlcounter_expire_on_login including configuration file /usr/local/etc/raddb/modules/sradutmp including configuration file /usr/local/etc/raddb/modules/unix including configuration file /usr/local/etc/raddb/modules/wimax 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/default including configuration file /usr/local/etc/raddb/sites-enabled/inner-tunnel including configuration file /usr/local/etc/raddb/sites-enabled/control-socket main { user = "freeradius" group = "freeradius" allow_core_dumps = no } including dictionary file /usr/local/etc/raddb/dictionary main { prefix = "/usr/local" localstatedir = "/var" logdir = "/var/log" libdir = "/usr/local/lib/freeradius-2.1.8" radacctdir = "/var/log/radacct" hostname_lookups = no max_request_time = 30 cleanup_delay = 5 max_requests = 1024 pidfile = "/var/run/radiusd/radiusd.pid" checkrad = "/usr/local/sbin/checkrad" debug_level = 0 proxy_requests = no 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 #### 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 = yes require_strong = yes with_ntdomain_hack = no } Module: Linked to module rlm_unix Module: Instantiating unix unix { radwtmp = "/var/log/radwtmp" } Module: Linked to module rlm_eap Module: Instantiating eap eap { default_eap_type = "peap" 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 = "/usr/local/etc/CA/private/radius.pem" certificate_file = "/usr/local/etc/CA/certs/radius.pem" CA_file = "/usr/local/etc/CA/cacert.pem" private_key_password = "1337" dh_file = "/usr/local/etc/CA/certs/dh" random_file = "/dev/urandom" fragment_size = 1024 include_length = yes check_crl = no cipher_list = "DEFAULT" make_cert_command = "/usr/local/etc/CA/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" 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 = "/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 radutmp radutmp { filename = "/var/log/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 = "/usr/local/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 = "/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 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/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 = "/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 clients = "per_socket_clients" client 1.2.3.4 { require_message_authenticator = no secret = "n0t4u2c" shortname = "WLAN" } } 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 Ready to process requests. rad_recv: Access-Request packet from host 1.2.3.4 port 1812, id=156, length=86 User-Name = "billgates" NAS-IP-Address = 1.2.3.4 NAS-Port-Type = Wireless-802.11 Calling-Station-Id = "01-23-45-67-89-AB" EAP-Message = 0x02770009017279616e Message-Authenticator = 0x124bad1be78335e5345ac1235dd5a0f2 +- entering group authorize {...} ++[preprocess] returns ok ++[chap] returns noop ++[mschap] returns noop [suffix] No '@' in User-Name = "billgates", looking up realm NULL [suffix] No such realm "NULL" ++[suffix] returns noop [eap] EAP packet type response id 119 length 9 [eap] No EAP Start, assuming it's an on-going EAP conversation ++[eap] returns updated ++[unix] returns updated [files] users: Matched entry billgates at line 206 ++[files] returns ok ++[expiration] returns noop ++[logintime] returns noop [pap] Found existing Auth-Type, not changing it. ++[pap] returns noop Found Auth-Type = EAP +- entering group authenticate {...} [eap] EAP Identity [eap] processing type tls [tls] Initiate [tls] Start returned 1 ++[eap] returns handled Sending Access-Challenge of id 156 to 1.2.3.4 port 1812 EAP-Message = 0x017800061920 Message-Authenticator = 0x00000000000000000000000000000000 State = 0x80109fb1806886dec5fe36c0b7659309 Finished request 2. Going to the next request Waking up in 4.9 seconds. rad_recv: Access-Request packet from host 1.2.3.4 port 1812, id=157, length=101 User-Name = "billgates" NAS-IP-Address = 1.2.3.4 NAS-Port-Type = Wireless-802.11 Calling-Station-Id = "01-23-45-67-89-AB" State = 0x80109fb1806886dec5fe36c0b7659309 EAP-Message = 0x027800060300 Message-Authenticator = 0x5acdbbd8d404e0ff100969933c8254b3 +- entering group authorize {...} ++[preprocess] returns ok ++[chap] returns noop ++[mschap] returns noop [suffix] No '@' in User-Name = "billgates", looking up realm NULL [suffix] No such realm "NULL" ++[suffix] returns noop [eap] EAP packet type response id 120 length 6 [eap] No EAP Start, assuming it's an on-going EAP conversation ++[eap] returns updated ++[unix] returns updated [files] users: Matched entry billgates at line 206 ++[files] returns ok ++[expiration] returns noop ++[logintime] returns noop [pap] Found existing Auth-Type, not changing it. ++[pap] returns noop Found Auth-Type = EAP +- entering group authenticate {...} [eap] Request found, released from the list [eap] EAP NAK [eap] NAK asked for bad type 0 [eap] Failed in EAP select ++[eap] returns invalid Failed to authenticate the user. Using Post-Auth-Type Reject +- entering group REJECT {...} [attr_filter.access_reject] expand: %{User-Name} -> billgates attr_filter: Matched entry DEFAULT at line 11 ++[attr_filter.access_reject] returns updated Delaying reject of request 3 for 1 seconds Going to the next request Waking up in 0.9 seconds. Sending delayed reject for request 3 Sending Access-Reject of id 157 to 1.2.3.4 port 1812 EAP-Message = 0x04780004 Message-Authenticator = 0x00000000000000000000000000000000 Waking up in 3.9 seconds. Cleaning up request 2 ID 156 with timestamp +74 Waking up in 0.9 seconds. Cleaning up request 3 ID 157 with timestamp +74 Ready to process requests. TIA, Ryan
Ryan A. Krenzischek wrote:
Greetings!
I am at a road block here. I know setting up WPA2 Enterprise PEAPv0/EAP-MSCHAPv2 / 802.1X should be simple. It just isn't working! Perhaps I am suffering from green screen syndrome :)
I have followed directions from: http://tldp.org/HOWTO/html_single/8021X-HOWTO/
Ugh. That document is almost 6 years old.
Aside from mschap being in the <etcdir>/raddb/modules directory and needing to enable mppe, the instructions are fairly straight forward.
How about http://freeradius.org/doc/ ? Or the comments in the "man" page, and in raddb/eap.conf? After 10 years of doing this, I still don't understand why people ignore the documentation that ships with the server, and instead read random sites on the net.
The certificates are generated from our certificate store. I'm trying a less complicated set up before moving on to OpenLDAP/Kerberos. During the build process, I made sure that OpenSSL was available. LDD shows that it is linked:
ldd output is not useful. The FAQ and docs don't ask for it.
The client computers are laptops running OpenSUSE 11.2 x86_64. Knetworkmanager is being used to configure the wireless security. the settings are:
The FAQ and docs don't ask for that, either.
The "users" file contains:
billgates User-Password := "98502"
This is a config for 1.x. See the FAQ for how to correctly set a password for a user. Look for "bob".
What I get on the test laptop in wpa_supplicant:
Associated with 00:00:00:c0:ff:ee CTRL-EVENT-EAP-STARTED EAP Authentication started OpenSSL: tls_connection_ca_cert - Failed to parse ca_cert_blob error:0D0680A8:ASN1 encoding routines: ASN1_CHECK_TLEN:wrong tag openSSL: pending error: error:0D07803A:asn1 encoding routines:ASN1_ITEM_EX_D2I:nested asn1 error TLS: Failed to set TLS connection parameters EAP-PEAP: Failed to initialize SSL.
Well... the certificate seems to be malformed.
Debug Output:
*That* is exactly what we need.
rad_recv: Access-Request packet from host 1.2.3.4 port 1812, id=157, length=101 ... EAP-Message = 0x027800060300
The supplicant is doing EAP.
[eap] EAP NAK [eap] NAK asked for bad type 0 [eap] Failed in EAP select ++[eap] returns invalid
That seems clear enough. The supplicant doesn't like the EAP type proposed by the server, and is asking for another method. But it's asking incorrectly. See my page for how to configure EAP. It includes step by step directions, and it *works*: http://deployingradius.com I suspect that the problem is with the certificates. DON'T start with certs that may or may not work with RADIUS. DO start with the "test" certs generated when the server first starts. Alan DeKok.
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Alan DeKok -
Ryan A. Krenzischek