PEAP authentication to LDAP
Hi,
I have a working WLAN solution that uses PEAP (1252 AP's, WCS, 4400 controllers etc.). At the moment we authenticate against Active Directory via a Cisco ACS appliance (v4.1) - this works fine.
We are trying to also get authentication working to our LDAP Server - however, ACS keeps reporting "Authentication type not supported by external DB". It also doesn't seem to even try to contact the LDAP server looking at our LAN sniffer logs.
Any ideas ? Thanks, Tim.
You can't authenticate PEAP against LDAP (at least a non-Active Directory LDAP; I've never tried pointing to an Active Directory LDAP). PEAP is a Microsoft-funded "standard". If you still want to use EAP but don't want to deal with client certs (as in EAP-TLS), you can do EAP-GTC or EAP-FAST. The problem for lots of people with that is that Windows XP and Vista do not support it natively via ZeroConfig. You have to use a client such as Intel ProSet, Juniper Oddysey, or Cisco Secure Services Client.
See http://en.wikipedia.org/wiki/EAP-TLS#PEAPv1.2FEAP-GTC for more info about EAP.
Similar Messages
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Authentication ACS LDAP PEAP ?
Hello
Could you tell me if its possible to do 802.1X authentication with LDAP server using PEAP MS-CHAP v2 (Machine autentication) ?
in fact, with Windows external database, its work fine.
We use only machine authentication with vlan assignement over PEAP.
Another think, we wan't to use Mac authentication Bypass for printers or other laptop... but we wonder if it could be work with an external Windows database or LDAP ?
Thanks for your helpNo this isnt possible as LDAP servers do not support MSCHAP v1 or v2.
You'd need something that can carry a plain text password inside the EAP tunnel - like EAP-GTC -
Error in authentication with ldap server with certificate
Hi,
i have a problem in authentication with ldap server with certificate.
here i am using java API to authenticate.
Caused by: javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path validation failed: java.security.cert.CertPathValidatorException: timestamp check failed.
I issued the new certificate which is having the up to 5 years valid time.
is java will authenticate up to one year only?
Can any body help on this issue...
Regards
Rangasorry i am gettting ythe same error
javax.naming.CommunicationException: simple bind failed: servername:636 exception is javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path validation failed: java.security.cert.CertPathValidatorException: timestamp check failed]
here when i am using the old certificate and changing the system date means i can get the authentication.
can you tell where we can concentrate and solve the issue..
where is the issue
1. need to check with the ldap server only
2. problem in java code only.
thanks in advance -
RSA authentication with LDAP group mapping
Greetings,
I'm trying to set up RSA authentication with LDAP group mapping with ACS Release 4.2(1) Build 15 Patch 3.
The problem I'm having is that my users are in multiple OU's on our AD tree. When I only put our base DN in for User Directory Subtree on ACS, it fails with a "External DB reports about an error condition" error. If I add an OU in front of it, then it will work fine.
As far as I know, you can only use one LDAP configuration with RSA.
Any thoughts on this?@Tarik
I believe your suggestion is the only way i'm going to get this to work. I ran across a similar method just this week that I have been working on.
I was hoping for dynamic mapping with the original method, but I haven't found any way to make it happen. I have resorted to creating a Radius profile on the RSA appliance for each access group I need. Using the Class attribute, I then pass the desired Group name to the ACS, i.e. OU=Admins, and that seems to work.
Thankfully, I have a small group of users that I am attempting to map. I will only map those who need elevated priviliges to narrow down how many profiles I will have to manually create. Likewise, our Account Admin will have to determine who gets assigned a particular access group.
I would still prefer to do this dynamically.
Scott -
Hi,
I configured a Cisco AP 1200 IOS with PEAP.
Hereby the AP Config:
aaa new-model
aaa group server radius rad_eap
server 192.168.4.58 auth-port 1645 acct-port 1646
aaa group server radius rad_mac
aaa group server radius rad_acct
aaa group server radius rad_admin
aaa group server tacacs+ tac_admin
aaa group server radius rad_pmip
aaa group server radius dummy
aaa authentication login eap_methods group rad_eap
aaa authorization exec default local
aaa authorization ipmobile default group rad_pmip
aaa accounting network acct_methods start-stop group rad_acct
aaa session-id common
dot11 arp-cache optional
bridge irb
interface Dot11Radio0
no ip address
no ip route-cache
encryption vlan 184 key 1 size 128bit 7 xxxx transmit-key
encryption vlan 184 mode wep mandatory mic key-hash
encryption key 1 size 128bit 7 xxxxx transmit-key
encryption mode wep mandatory
broadcast-key vlan 184 change 3600
ssid test
vlan 184
authentication open eap eap_methods
authentication network-eap eap_methods
world-mode
speed basic-1.0 basic-2.0 basic-5.5 6.0 9.0 basic-11.0 12.0 18.0 24.0 36.0 48.0 54.0
rts threshold 2312
station-role root
dot1x reauth-period 1800
dot1x client-timeout 1800
bridge-group 1
bridge-group 1 subscriber-loop-control
bridge-group 1 block-unknown-source
no bridge-group 1 source-learning
no bridge-group 1 unicast-flooding
interface Dot11Radio0.184
encapsulation dot1Q 184
no ip route-cache
bridge-group 184
bridge-group 184 subscriber-loop-control
bridge-group 184 block-unknown-source
no bridge-group 184 source-learning
no bridge-group 184 unicast-flooding
bridge-group 184 spanning-disabled
interface FastEthernet0
no ip address
ip accounting output-packets
no ip route-cache
speed 100
full-duplex
interface FastEthernet0.3
encapsulation dot1Q 3 native
no ip route-cache
bridge-group 1
no bridge-group 1 source-learning
bridge-group 1 spanning-disabled
interface FastEthernet0.184
encapsulation dot1Q 184
no ip route-cache
bridge-group 184
no bridge-group 184 source-learning
bridge-group 184 spanning-disabled
interface BVI1
ip address 192.168.4.98 255.255.254.0
ip accounting output-packets
no ip route-cache
ip default-gateway 192.168.4.3
ip http server
ip http help-path http://www.cisco.com/warp/public/779/smbiz/prodconfig/help/eag/ivory/1100
ip radius source-interface BVI1
radius-server local
radius-server host 192.168.4.58 auth-port 1645 acct-port xxxx key xxx
radius-server timeout 120
radius-server deadtime 1200
radius-server domain-stripping
radius-server attribute 32 include-in-access-req format %h
radius-server authorization permit missing Service-Type
radius-server vsa send accounting
bridge 1 protocol ieee
bridge 1 route ip
bridge 184 protocol ieee
W're using a Cisco Wireless client adaptor with the latest ACU version fully installed and configured my client for PEAP. I also configured the Windows XP network settings appropriately.
The RADIUS we are using is a Cisco ACS 3.2.1. We used a Microsoft certificate for the server that we issued ourselves.
Without configuring security, the client can associate with the AP, but when we enable PEAP and I open the ACU status screan, the client associates with the AP, but canot authenticate successfully. Status hangs on 'autenticating'. I don't see any traffic to the RADIUS server.
Who can help us?
Thanks in advance!I just opened a TAC case on this one whereby I have already installed the latest client, made sure PEAP is installed, had the latest WAP image, network security setup on the ACU as per the documentation to select the "host base EAP(802.1x) and select dynamic wep, then turned on debug options on the WAP to see the communication between the client and the WAP:
debug radius authentication
debug dot11 aaa dot1x process
debug dot11 aaa dot1x state-machine
Guess what... there is no communication between the client and the wap for authentication. You can see association and even get an ip address from dhcp but...
The advise as per the TAC engineer is to put in a Static WEP key for now and you should get the communication going. They have already noticed this on some calls and have not seen a bug case # assigned to it. They will be working a fix on the next release. Once you do that you should see the Raduis and 802.1x communication going on.
After doing this I can then concentrate on why I am not getting PEAP authenticated on our Funk Radius EE Server v4.7.
The other thing...remove the "authentication network-eap eap_methods" when you are doing PEAP. You enable that for LEAP so you have to create a different vlan for that.
I use 1812/1813 for the radius server.
:-) Ed -
EAP-TLS or PEAP authentication failed during SSL handshake
Hi Pros,
I am a newbie in the ACS 4.2 and EAP-TLS implementation, with that being said. I face an issue during a EAP-TLS implementation. My search shows that this kind of error message is already certificate issue;However, I have deleted and recreated the certificate in both ACS and the client with the same result. I have deleted and re-install the certchain as well.
When I check my log in the failed attemps, there is what I found:
Date
Time
Message-Type
User-Name
Group-Name
Caller-ID
Network Access Profile Name
Authen-Failure-Code
Author-Failure-Code
Author-Data
NAS-Port
NAS-IP-Address
Filter Information
PEAP/EAP-FAST-Clear-Name
EAP Type
EAP Type Name
Reason
Access Device
Network Device Group
06/23/2010
17:39:51
Authen failed
000e.9b6e.e834
Default Group
000e.9b6e.e834
(Default)
EAP-TLS or PEAP authentication failed during SSL handshake
1101
10.111.22.24
25
MS-PEAP
wbr-1121-zozo-test
Office Networ
06/23/2010
17:39:50
Authen failed
[email protected]
Default Group
000e.9b6e.e834
(Default)
EAP-TLS or PEAP authentication failed during SSL handshake
1098
10.111.22.24
25
MS-PEAP
wbr-1121-zozo-test
Office Network
[email protected] = my windows active directory name
1. Why under EAP-TYPE it shows MS-PEAP not EAP-TLS? I did configure EAP-TLS....
2. Why sometimes it just shows the MAC of the client for username?
3. Why it puts me in DEFAULT-GROUP even though i belongs to a group well definy in the acs?
2. Secondly, When I check in pass authentications... there is what i saw
Date
Time
Message-Type
User-Name
Group-Name
Caller-ID
NAS-Port
NAS-IP-Address
Network Access Profile Name
Shared RAC
Downloadable ACL
System-Posture-Token
Application-Posture-Token
Reason
EAP Type
EAP Type Name
PEAP/EAP-FAST-Clear-Name
Access Device
Network Device Group
06/23/2010
17:30:49
Authen OK
groszozo
NOC Tier 2
10.11.10.105
1
10.111.22.24
(Default)
wbr-1121-zozo-test
Office Network
06/23/2010
17:29:27
Authen OK
groszozo
NOC Tier 2
10.11.10.105
1
10.111.22.24
(Default)
wbr-1121-zozo-test
Office Network
In the output below, it says that the user is authenticate and it puts the user in the right group with the right username, but the user never really authenticate. Maybe for the first few seconds when I initiate the connection.
Before I forget, the suppliant is using WIN XP and 802.1x is enable. I even uncheck not verify the server and the ACS under External User Databases, I did check ENABLE EAP-TLS machine authentication.
Thanks in advance for your help,
Crazy---Any ideas on this guys?? In my end, i've been reading some docs... Things started to make sens to me, but I still cannot authenticate, still the same errors. One more thing that catch my attention now is the time it takes to open a telnet session to cisco device which has the ACS for auth server.
My AD(Active Direct) and the ACS server are local same subnet(server subnet). Ping to the ACS from my desktop which is in different subnet is only take 1ms. To confirm that the issue is the ACS server, I decided to use another server in remote location, the telnet connection is way faster than the local ACS.
Let's brain storm together to figure out this guys.
Thanks in advance,
----Paul -
EAP-TLS & ACE Appliance "EAP-TLS or PEAP authentication failed"
Hello - I have a version 3.2 of the ACS appliance and I am trying to set up a successful test of EAP-TLS. I have a W2K server for a CA and I believe I have the certificate install properly. However, I get the "EAP-TLS or PEAP authentication failed during SSL handshake" error message in my failed attempts log. The troubleshooting document tells me to look at the CSAuth.log file but I can't seem to find in on the ACS Appliance.
Does anyone have any ideas how to troubleshoot this problem with the appliance?If the client's certificate on the ACS is invalid (which depends on the certificate's valid "from" and "to" dates, the server's date and time settings, and CA trust), then the server will reject it and authentication will fail. The ACS will log the failed authentication in the web interface under Reports and Activity > Failed Attempts > Failed Attempts XXX.csv with the Authentication Failure-Code similar to "EAP-TLS or PEAP authentication failed during SSL handshake." If the ACS rejects the client's certificate because the ACS does not trust the CA, the expected error message in the CSAuth.log file is similar to the following.
AUTH 06/04/2003 15:47:43 E 0345 1696 EAP: ProcessResponse:
SSL handshake failed, status = 3 (SSL alert fatal:unknown CA certificate)If the ACS rejects the client's certificate because the certificate has expired, the expected error message in the CSAuth.log file is similar to the following.
AUTH 06/04/2005 15:02:08 E 0345 1692 EAP: ProcessResponse:
SSL handshake failed, status = 3 (SSL alert fatal:certificate expired)
http://www.cisco.com/en/US/products/sw/secursw/ps2086/products_configuration_example09186a00801df0ea.shtml -
EAP-TLS or PEAP authentication failed due to unknown CA certificate during SSL handshake
Hi All ,
I am trying to test EAP_TLS authentication on acs 4.2.1.15 running on Appliance 1120 , I have installed my server certficate along with CA certficate on my appliance box , I have enabled features of EAP_TLS under golbal authentication setup .
I have downloaded client supplicant certficate file for my windows XP machine .
When i tried to authenticated i am finding following error message under failed attempts(EAP-TLS or PEAP authentication failed due to unknown CA certificate during SSL handshake) on my acs appliance box .
Under certficate revocation list , I have forced my CA as CRL in use . Attached snap shot of all .
Suggest me whether i need to enable all corresponding CA certficate undercertficate trust list , Kindly let me know were i am doing wrong on this ..Hello,
I am NO expert on certificates but I have seen your error dozens of times from wireless clients on my Cisco ACS 4.2 Radius server.
Through trial and error I wrote up this procedure for our Helpdesk for installing certs in Windows XP and Windows 7. These steps haven't failed me yet and the Helpdesk doesn't bother me as much anymore so see if this helps you:
- Manually install the Global CA under BOTH Trusted Root Certification Authorities\Certificates AND Intermediate Certification Authorities\Certificates
- Manually install the Intermediate CA under JUST the Intermediate Certification Authorities\Certificates
- Delete the wireless network from the computer
- REBOOT!!
- Open the Microsoft Management Console, “mmc”.
- Go FILE\Add Remove SnapIn. Select Certificates ..
- If promoted, do it for “My User Account”.
- Make sure the certificates are where you put them.
- If you see any of these exact certificates out of place in either Trusted Root Certification Authorities\Certificates or Intermediate Certification Authorities\Certificates, remove them.
- Redo wireless network setup again
I hope this helps you.
Mike -
EAP-TLS or PEAP authentication failed during SSL handshake to the ACS serve
We are running the LWAPP (2006 wlc's and 1242 AP's) and using the ACS 4.0 for authentication. Our users are
experiencing an issue, where they are successfully authenticated the first time, however as the number of them is increasing, they're starting to drop the connections and being prompted to re-authenticate. At this point, they are not being able to authenticate again.
We're using PEAP for the authentication and Win XP SP2 clients as the supplicants. The error message that we are seeing on the ACS for that controller is "EAP-TLS or PEAP authentication failed during SSL handshake to the ACS server"...Not sure if this error msg is relevant since we have other WLC's that are working OK and still generating the same error msg on the ACS...
Thanks..Here are some configs you can try:
config advanced eap identity-request-timeout 120
config advanced eap identity-request-retries 20
config advanced eap request-timeout 120
config advanced eap request-retries 20
save config -
EAP-TLS or PEAP authentication failed during SSL handshake error
I have 2 Windows 2003 ACS 3.2 servers. I am in the process of upgrading them to ACS 4.0. I am using them for WPA2/PEAP wireless authentication in a WDS environment. I recently upgraded one to ACS 4.0 and ever since that time some (not all) of my Windows XP clients have started to not be authenticated and logging the error "EAP-TLS or PEAP authentication failed during SSL handshake" on the ACS 4.0 server. During the upgrade (which was successful) I did change the Certificate since the current one was going to expire November 2007.
The clients that do not authenticate on the ACS 4.0 server I can point to the ACS 3.2 server and they successfully authenticate there. I am able to resolve the issue by recreating the Windows XP PEAP profile for the wireless network and by getting a new client Cert. But, I have a couple of questions:
Is the "EAP-TLS or PEAP authentication failed during SSL handshake" error due to the upgrade to ACS 4.0 or to the fact that I changed the Certificate, or both?
Can this error ("EAP-TLS or PEAP authentication failed during SSL handshake") be resolved without me touching every Windows XP client (we have over 250+)?
Thanks for the helpMy experience suggests that the problem is the certificate.
I'm running ACS 3.3.
I received the same error message when my clients copied the certificate to the wrong location, or otherwise did not correctly follow the provided instructions.
Correctly following the instructions led to a successful connection and no more error message. -
I have some problems with peap authentication. Here debug of my AP:
Mar 13 09:50:39 10.15.1.14 2370: *Mar 1 19:24:18.889: dot11_auth_dot1x_start: in the dot11_auth_dot1x_start
Mar 13 09:50:39 10.15.1.14 2371: *Mar 1 19:24:18.890: dot11_auth_dot1x_send_id_req_to_client: Sending identity request to 001a.73ff.a214
Mar 13 09:50:39 10.15.1.14 2372: *Mar 1 19:24:18.890: dot11_auth_dot1x_send_id_req_to_client: Client 001a.73ff.a214 timer started for 30 seconds
Mar 13 09:51:03 10.15.1.14 2373: *Mar 1 19:24:43.549: dot11_auth_parse_client_pak: Received EAPOL packet from 001a.73ff.a214
Mar 13 09:51:03 10.15.1.14 2374: *Mar 1 19:24:43.549: dot11_auth_dot1x_run_rfsm: Executing Action(CLIENT_WAIT,EAP_START) for 001a.73ff.a214
Mar 13 09:51:03 10.15.1.14 2375: *Mar 1 19:24:43.549: dot11_auth_dot1x_send_id_req_to_client: Sending identity request to 001a.73ff.a214
Mar 13 09:51:03 10.15.1.14 2376: *Mar 1 19:24:43.550: dot11_auth_dot1x_send_id_req_to_client: Client 001a.73ff.a214 timer started for 30 seconds
Mar 13 09:51:03 10.15.1.14 2377: *Mar 1 19:24:43.554: dot11_auth_parse_client_pak: Received EAPOL packet from 001a.73ff.a214
Mar 13 09:51:03 10.15.1.14 2378: *Mar 1 19:24:43.554: dot11_auth_dot1x_run_rfsm: Executing Action(CLIENT_WAIT,CLIENT_REPLY) for 001a.73ff.a214
Mar 13 09:51:04 10.15.1.14 2379: *Mar 1 19:24:43.554: dot11_auth_dot1x_send_response_to_server: Sending client 001a.73ff.a214 data to server
Mar 13 09:51:04 10.15.1.14 2380: *Mar 1 19:24:43.554: AAA/AUTHEN/PPP (00000159): Pick method list 'eap_methods'
Mar 13 09:51:04 10.15.1.14 2381: *Mar 1 19:24:43.554: dot11_auth_dot1x_send_response_to_server: Started timer server_timeout 60 seconds
Mar 13 09:51:25 10.15.1.14 2382: *Mar 1 19:25:05.371: dot11_auth_dot1x_parse_aaa_resp: Received server response: FAIL
Mar 13 09:51:25 10.15.1.14 2383: *Mar 1 19:25:05.371: dot11_auth_dot1x_parse_aaa_resp: found eap pak in server response
Mar 13 09:51:25 10.15.1.14 2384: *Mar 1 19:25:05.372: Client 001a.73ff.a214 failed: EAP reason 1
Mar 13 09:51:25 10.15.1.14 2385: *Mar 1 19:25:05.372: dot11_auth_dot1x_parse_aaa_resp: Failed client 001a.73ff.a214 with aaa_req_status_detail 1
Mar 13 09:51:25 10.15.1.14 2386: *Mar 1 19:25:05.372: dot11_auth_dot1x_run_rfsm: Executing Action(SERVER_WAIT,SERVER_FAIL) for 001a.73ff.a214
Mar 13 09:51:25 10.15.1.14 2387: *Mar 1 19:25:05.372: dot11_auth_dot1x_send_response_to_client: Forwarding server message to client 001a.73ff.a214
Mar 13 09:51:25 10.15.1.14 2388: *Mar 1 19:25:05.373: dot11_auth_dot1x_send_response_to_client: Started timer client_timeout 30 seconds
Mar 13 09:51:26 10.15.1.14 2389: *Mar 1 19:25:05.373: dot11_auth_dot1x_send_client_fail: Authentication failed for 001a.73ff.a214
Mar 13 09:51:26 10.15.1.14 2390: *Mar 1 19:25:05.373: %DOT11-7-AUTH_FAILED: Station 001a.73ff.a214 Authentication failed
Mar 13 09:51:27 10.15.1.14 2391: *Mar 1 19:25:06.611: AAA/BIND(0000015A): Bind i/f
In IAS log I can find requests and and access is permitted.
What is the problem?
Thank you for your help!Answering partially your second question, 'Authenticate as Computer when Computer Information Available' is required to enable machine authentication and the same has to be enabled on the ACS server also.
-
Strip domain name in PEAP Authentication
Is there ny chance to strip domain name (domain\username) in PEAP Authentication?
We need to configured the proxy distribution to strip the domain name from the username
before checking the database. Lets say Our domain name is SERVNET. We need to have
configured Character String "SERVNET\ " , Position "Prefix" , Strip "Yes " Forward to
local server. When the users authenticate via 802.1x (PEAP), the domain name is stripped
from the username.
Also please checkout this bug CSCeg01533 before you try it.
Regards,
~JG
Do rate helpful posts -
Shared Services External Authentication using LDAP in 9.3.1
Hi,
I have installed Hyperion Shared Services with native directory. And now planning to setup external authentication using LDAP. I need some guidance to understanding how the external authentication works.
Questions:
1. Is it possible to setup Shared Services to use both Native and LDAP user directory? What I mean is some users will be able to login using Native directory, and some others will need to login using User Directory (external authentication).
2. For User Directory (say we use LDAP), when the user is added into Shared Services, can they be assigned with Groups created in Native directory? We want to explore to use just the external authentication and define all of the groups within shared services.
If not possible, can we manage the Groups of the User directory using shared services? How is the groups work with external authentication?
Any feedback would be much appreciated.
Thanks,
LianHi,
Yes you can use both Native and external authentication. When you add the external provider the native is left by defaut anyway.
Yes you can add your external users to native groups. You can also provision the groups in the AD if you wish.
Gee -
SAP J2EE Engine -Config Tool authentication test(LDAP only)
Hello. Can i know what causes the directory server authentication test(LDAP only) in the SAP J2EE Engine config Tool to fail to authenticate.
Error message i got was: authentication failed: Unprocessed Continuation Reference(s).
Please advise.Hi,
what kind of directory server are you using?
I'm not sure but it is possible that your ds uses referrals returns a referral to your client and the client does not follow them. Do you have any referrals configured?
Cheers -
How can I implement Authentication in LDAP
How can I implement Authentication in LDAP.
Hi,
If ur using JAAS, then use NTLoginModule in ur conf file and your own defined CallbackHandler for validating and obtaining the Subject (user connected to your domain).
Remember the user is the one which the code obtains when u login to your Domain based machine.
Apart from this, Apache Http Server also provides you with a popup window asking for the user's credentials when u set the SSPIDomain in the httpd.conf file.
httpd.conf
========
<Location /Seet/servlet/ >
SSPIAuth On
AllowOverride None
Order allow,deny
Allow from all
AuthName "seet190 auth"
AuthType SSPI
SSPIAuth On
SSPIAuthoritative On
require valid-user
SSPIDomain seet190
</Location>
seet190 is the domain name
Actually so far in the Security Forum, u might refer to some of the replies posted for more help but actual LDAP authentication can be done by passing the user's info too.
HTH,
Seetesh
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