Expired password AD with EAP - TLS

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• ACS 5.5 with EAP - TLS SHA 256 certificates

  Hi all

  Well, I just want to confirm that ACS 5.5 supports EAP - TLS with certificates SHA2.

  Thank you

  Manel

  Manel salvation,

  There was a time long deposited back enhancement to support EAP - TLS SHA 256 and obtained certificates fixed ACS 5.2 leave.

  CSCtd34175    Support for SHA2 certificates

  To answer your question, ACS 5.5 does support SHA2 certificates with eap - tls.

  ~ BR

  Jatin kone

  * Does the rate of useful messages *.

• Wrong with EAP - TLS with Wireless before Windows logon

  Evil begins with a list of equipment;

  5508 WLC

  3502i AP

  Cisco ACS 5.3

  Clients Windows 7

  WLAN is set up with WPA2 AES with 802. 1 x for key management.

  Customer is set up with WPA2/AES, authentication method is Microsoft: card chip or other certificate on the computer. Authentication mode authentication is the user or computer.  The client is configured to use a certificate on the computer.  "It only works if the authenticating user or computer is seected."  If I use computer authenticate option... it says that it cannot find a certificate to use for the EAP.

  ACS is configured to allow only for the EAP - TLS protocol.

  We have created a stand-alone CA server and distributed CA certificates root and client authentication for all test systems.

  This whole process with EAP - TLS works very well if you are already connected to the machine, with the credentials of the cache.  Once I disconnect the Windows 7 client, I lose the connection to the WLAN.  We want to stay connected to the WIFI network.  W PEAP / MSCHAPV2 works very well with stay connected to the WLAN, but we want to use EAP - TLS.

  Any ideas?

  Thanks in advance,

  Ryan

  Hi Ryan,

  You actually answer your own question :) The reason for the fault is because the computer account doesn't have a certificate, so when your computer account user cannot connect to maintain the session going, and so you are disconnected. Provide the computer with a certificate account and your problem will be solved.

  Richard

• WiFi with EAP - TLS works on the Xoom?

  Did anyone had success with using the Wifi requiring user certificates? I try to get my Xoom to connect to the corporate network (EAP - TLS) and followed the instructions for the IPad and imported my homologated in Android correctly. But when I connect, it hangs to the connection state minutes before finally giving up.

  Thank you

  Yale

  
  

• Problem with EAP - TLS EHT begging Provisioning

  Hi all

  I have a demo built using ISE v1.1.3 patch 1 and a WLC by using the v7.4.100.0 software.  The purpose of the demo is available to begging a device with an EAP - TLS certificate...  'device on-boarding.

  The entire CWA / registration of the device, everything is perfect and works well.  I use a Cert publicly signed on ISE built from [Root CA + intermediate CA + host Cert] which is used for HTTPS and EAP and I also PRACTICE operating against my Win 2 k 8 Enterprise Edition CA that belongs to my Active Directory.  It all works very well.

  The problem is that when ISE push the WIFI config to the device, it tells the Client to check for the root CA, but RADIUS within the ISE processes are related to the intermediate CA.  This leads to a problem where the Client does not trust the certificate of the ISE.  It doesn't seem to be a way to configure this behavior within the ISE.

  If anyone else has experienced this? Know a solution? Suggestions for a workaround?

  See you soon,.

  Richard

  PS - also using WinSPWizard 1.0.0.28

  Hi Richard,

  It is a bad behavior ISE is commissioning intermediate CA in similar BYOD of scenarios (hierarchical certification authority) registration process. It'll be fixed soon. The genius is almost ready with the fix.

  István Segyik

  Systems engineer

  Global virtual engineering

  The WW partner organization

  Cisco Systems, Inc.

  E-mail: [email protected] / * /

  Work: + 36 1 2254604

  Monday to Friday from 08:30-17:30 - UTC + 1 (CET)

• PEAP EAP/TLS, PORTEGE with WinXP sp2 Tablet Edition problem

  We have: Rev AiroNet350 Cisco with WPA - EAP: Freeradius with EAP/TLS and PEAP, tablet PC PORTEGE with WinXP sp2 configuration.

  This problem discribed in http://wiki.freeradius.org/index.php/FAQ#PEAP_Doesn.27t_Work
  Perhaps to solve this problem we need a fix (http://support.microsoft.com/kb/885453/en-us), but microsoft support said to contact the laptop manufacturer.
  Can someone help me with this problem?

  Hmmm I m not an expert in this area, but it seems that the MS OS update is necessary. (I hope)
  The preinstalled Windows operating system is a simple OEM version and generally all updates should be possible. However, if MS guys told you to communicate with the manufacture of the laptop, you can contact the maintainer authorized Toshiba in your country for details.

  But I studied a bit on the net and found this site useful:
  http://SearchNetworking.TechTarget.com/originalContent/0, 289142, sid7_gci945257, 00.html

  1. 802. 1 X is based on communication between your router and a RADIUS authentication server. If you use WEP, WPA or WPA2 with dynamic keys, 802. 1 X debugging following tips may be useful:
  a. reintroduce the same RADIUS secret in your wireless router and the RADIUS server.
  b. configure your RADIUS server to accept the request of the RADIUS of the IP address of your router.
  c. use ping to check the accessibility of router-server.
  d. package watch LAN account to verify that RADIUS and answers queries are fluid.
  e. use an Analyzer like Ethereal Ethernet to watch RADIUS success/failure messages.
  f. for XP SP2, turn on Wzctrace.log by typing "command netsh ras set followed * activated.

  2 if RADIUS is flowing but are rejected requests for access, you may have a problem of incompatibility or credential X Extensible Authentication Protocol (EAP) 802.1. This setting depends on Type EAP. For example, if your RADIUS server requires EAP - TLS, then select 'Card chip or other certificate' of your adapter wireless network properties / authentication Panel. If your RADIUS server requires PEAP, then select "Protected EAP" of the adapter. If your RADIUS server requires EAP-TTLS, then you will need a third-party wireless like AEGIS or in Odyssey client.
  Make sure that this specific EAP properties match for your adapter and the server, including the server CA certificate root trust Server domain name (optional but must match when it is specified) and the customer (EAP-MSCHAPv2, EAP - GTC) authentication method. When you use PEAP, use the control panel to 'Configure' CHAP to prevent Windows from automatically re-use of your connection.

• 4.2 of the ACS and EAP - TLS with AD and prefix problem

  Hello

  We have the following situation:

  -2 X ACS (ACS SE 4.2 1 x and 1 x 4.2 ACS) for domain

  -2 x ACS (ACS SE 4.2 1 x and 1 x 4.2 ACS) for domain b.

  First of all, there is a problem to have an ACS SE and a CBS work together for an area, I do not? When we haven't had that one area and the two SE ACS were responsible for domain A, it worked.

  Now after the changes, authentication of machine with EAP - TLS is no longer in effect. In the newspapers, it always says that "external user DB is unknown" for a username (machine) as host/abc.domain.ch

  This is the normal output of the Remote Agent, he finds the host but then nothing happens:

  CSWinAgent 2009-11-30 16:32:13 0140 3672 0x0 customer who connects from x.x.x.x:2443
  CSWinAgent 2009-11-30 16:32:14 0507 3512 0x0 CPP: NT_DSAuthoriseUser received
  CSWinAgent 2009-11-30 16:32:14 0474 3512 0x0 NTLIB: Creating Domain cache
  CSWinAgent 2009-11-30 16:32:14 0549 3512 0x0 NTLIB: domain Cache loading
  CSWinAgent 2009-11-30 16:32:14 0646 NTLIB 3512 0x0: none of the trusted domains found
  CSWinAgent 2009-11-30 16:32:14 0735 3512 0x0 NTLIB: cache loaded field
  CSWinAgent 2009-11-30 16:32:14 2355 3512 0x0 NTLIB: user "host/abc.domain.ch" found [FIELD]
  CSWinAgent 2009-11-30 16:32:14 0584 0 x 3512 0 RPC: NT_DSAuthoriseUser response sent

  So I did a test of the ASA to see if the host is a problem (until changes have been made it was not a problem):

  AAA authentication RADIUS host 10.3.1.9 username host/abc.domain.ch to test (the ASA becomes the host / entry for the correct Windows scheme with the $):

  CSWinAgent 2009-11-30 15:39:23 0140 3672 0x0 customer who connects from x.x.x.x:1509
  CSWinAgent 2009-11-30 15:39:23 0390 0 x 3728 0 RPC: NT_MSCHAPAuthenticateUser received
  CSWinAgent 2009-11-30 15:39:23 0474 3728 0x0 NTLIB: Creating Domain cache
  CSWinAgent 2009-11-30 15:39:23 0549 3728 0x0 NTLIB: domain Cache loading
  CSWinAgent 2009-11-30 15:39:23 0646 NTLIB 3728 0x0: none of the trusted domains found
  CSWinAgent 2009-11-30 15:39:23 0735 3728 0x0 NTLIB: cache loaded field
  CSWinAgent 2009-11-30 15:39:23 1762 3728 0x0 NTLIB: had WorkStation CISCO
  CSWinAgent 2009-11-30 15:39:23 1763 3728 0x0 NTLIB: Windows authentication attempts for user ABC$
  CSWinAgent 2009-11-30 15:39:23 1815 3728 0x0 NTLIB: Windows authentication FAILED (Error 1326 L)
  CSWinAgent 2009-11-30 15:39:23 0373 3728 0x0 NTLIB: retry authentication to the domain
  CSWinAgent 2009-11-30 15:39:23 0549 3728 0x0 NTLIB: domain Cache loading
  CSWinAgent 2009-11-30 15:39:23 1762 3728 0x0 NTLIB: had WorkStation CISCO
  CSWinAgent 2009-11-30 15:39:23 1763 3728 0x0 NTLIB: Windows authentication attempts for user ABC$
  CSWinAgent 2009-11-30 15:39:23 1815 3728 0x0 NTLIB: Windows authentication FAILED (Error 1326 L)
  CSWinAgent 2009-11-30 15:39:23 0456 0 x 3728 0 RPC: NT_MSCHAPAuthenticateUser response sent

  It is clear that the test failed because of the bad 'past to a computer' but it's a different output as before. I saw that in ACS 4.1, you can change the prefix of send_break_action for nothing, but in 4.2 it is no longer possible.

  This could be the problem, or if someone sees no other problem?

  Best regards

  Dominic

  Hello

  I encounter the same problem with my acs. I have all of the attempts failed for the default group. For the default group made configuration is not available. Is - this thereason behind all this?

• Novell NDS CA and EAP - TLS

  Hi all

  I configured an ACS Server 4.1 with Novell CA authentication certificate. internal to the ACS server works very well and the group maps also works without problems.

  Now, the customer wants to use eap - tls in the wlan configuration. Authentication with user name and password works fine. If I activate the validate the certificate of the server in the windows xp wireless configuration settings, that I do not have access to the network. I get an error message on the client and in the journal of the CSA, I see an error with eap - tls ssl handshake!

  Are there problems with certificates of AC novell and novell?

  Any ideas?

  Thanks for help

  René

  Hello

  Mark this thread as solved, so that others can enjoy.

  Thank you

  Prem

• EAP - TLS uses WEP?

  Why do you need to configure WEP as a data encryption when you use EAP - TLS?

  'Ensure that the data encryption is set to WEP.

  You cannot use WPA2?

  Gr.

  Remco

  Remco,

  1. what should I do to configure EAP - TLS?

  In order to configure EAP - TLS, the only configuration on the WLC is selection of 802. 1 x 2 layer security screen.

  2. users must have a certificate of the user and computers need a computer certificate. IAS server needs a server certificate.

  You RADIUS server must have a certificate and this must be added to the list of trusted certificates on each client. There is no configuration required on the side of the controller for this.

  3. I want to use WPA/PWA2 enterprise with AES encryption. In all the documents, you can see that the client is configured with WEP.

  By default, if you choose 801.x on layer 2 security, WEp is used as the encryption. You must understand that these are two different things. One is the encryption (TKIP/AES and the other is the 801.x authentication). So if you want to use WPA2 with EAP - TLS, you must select WPA1 + WPA2 as layer 2 security, then 802. 1 x on the same screen in "Auth key Mgmt" select 802. 1 x

  Let me know if that answers your question.

  --

  Pushkar

• ISE 1.4 using EAP - TLS can´t identify user in an ad group

  Hello

  I have a client who wishes to use the EAP - TLS on his Wifi authentication and he wants users in a separate AD Group for the SSID to cooperate.

  I found the solution of operation or with PEAP with EAP - TLS authentication, it does that without the policy of 'ad group.

  Any idea on what I can do to get it to work?

  George

  I found the problem, I had to adapt the 'certificate of authentication Profile' for the AD client

  What made your dot1x in your PC configuration? How the ISE journal watch, when it works?

• [Cisco ACS 5.2] EAP - TLS authentication failure

  What we are e

  Hello

  I set up a WiFi connection on Windows XP and Windows 7 with EAP - TLS (using Cisco WLC 7.0.235.3 and Cisco ACS 5.2.0.26.10). It is configured with the authentication of the computer and computer certificates are automatically registered for Microsoft PKI.

  It works well!

  Now, I configured Windows 8 with the same configuration.

  First authentication works, but if I manually disconnect and reconnect, I got this error on ACS: 22047 username main attribute is missing from the client certificate

  In the EAP packets, we could see that Windows 8 sent a TLS session but ticket session has not properly taken over by ACS...

  Configuration of the ACS, we checked the option "enable EAP - TLS Session resume' with the session timeout"7200 ".

  I found this bug

  http://Tools.Cisco.com/support/BugToolKit/search/getBugDetails.do?method=fetchBugDetails&bugId= CSCtn26538& from = summary

  It seems to be my problem but the reboot does not work in my case...

  It is set at 5.3 (0.40.2).

  I plan to install version 5.4.

  Do you know if this fix is supported by 5.4?

  Thanks for your help,

  Patrick

  Hi Patrick,

  What is set in point 5.3 must be set in point 5.4.

  Even if the same issue appeared with 5.4 there an ID different bug and identified as an independent issue (with different causes, usually)

  HTH

  Amjad

  Rating of useful answers is more useful to say "thank you".

• ISE: advise users that EAP - TLS can only be used

  A large School Board accepts only EAP - TLS connections.  This requirement is easily disseminated to teachers, but not students whose personal devices continue to try to connect using the PEAP Protocol.   Once users connect with EAP - TLS, they are authenticated on AD.

  1 can we through the switch block PEAP but leave the EAP - TLS to cross? I could not find a command for it.

  2. If we cannot stop the PEAP requests to ISE, could treat us like CWA PEAP connections, but have a special authorization rule that would say If inner PEAP tunnel is then the CWA-nonEAP-TLS do web authentication that would be a custom web page which would have a message instructing students how to use EAP - TLS? This would make sense?

  3. do you have better suggestion how to block before PEAP that it reaches EHT or a way using ISE to indicate to users that they should use EAP - TLS, PEAP not if they want to connect?

  Thank you.

  Cath.

  Usually at the start of the eap negotiation, there is an agreement between the applicant and the radius server on which eap types are negotiated. If you have that suggested the client to eap - tls and the supplicant is misconfigured and uses the PEAP Protocol, he must drop off.

  You can consider a strict exclusion policies so that if a customer fails to authenticate after 3 attempts you can exclude them for a few minutes.

  You can create a homepage (url redirection) that when type mschapv2 authentication and the authentication status set to 'failed' a self-help html page is presented to the end user to use eap - tls, keep in mind that port and ip will authorized in forwarding ACL.

  What do you see in the failed attempts?

  Thank you

  Tarik Admani
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• Authentication EAP - TLS with ACS 5.2

  Hi all

  I have question on EAP - TLS with ACS 5.2.

  If I want to implement the EAP - TLS with Microsoft CA, how authentication computer and user will be held?

  Understand that the cert is required on the client and the server end, but is this certificate to the computer links or links to individual users?

  If the links to the user, and I have a shared PC connection by few users, is that each user account will have their own certificates?

  And each individual user will have to manually get the CA cert? is there another method that my environment has more than 3000 PCs.

  And also if it binds to the user, any user can get their CA cert with their AD username and password, if they bring in their own device and try to get the CA certificate, they will be able to properly install the cert in their device on the right?

  I hope you guys can help with that. Thank you.

  Hope this will answer most of your questions:

  Client certificate or user

  http://www.Cisco.com/en/us/Partner/Tech/tk59/technologies_tech_note09186a00804b976b.shtml#T10

  Computer certificate

  http://www.Cisco.com/en/us/Partner/Tech/tk59/technologies_tech_note09186a00804b976b.shtml#T15

  In the case of EAP - TLS we have the certificate of computer and user installed on the machines.

  Kind regards

  Jousset

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• EAP - TLS with WLC 4404 (choose which layer option 2)

  Hi all

  I want to install a WLAN that uses EAP - TLS.

  WiFi PC <----->LWAP <------>WLC <---->Radius Server

  Should the layer tab 2 for security on the WLC which option I use for the following: -.

  Security Layer 2 (I'm assuming that WPA + WPA2 than what laptops will use)

  Key auth Mgmt?

  I'm a little confused by the 802. 1 x in two of these fields, a security layer two and one for Auth key Mgmt?

  Thx a lot indeed guys,.

  Ken

  You would choose layer 2 security: WPA + WPA2

  Then in the settings WPA + WPA2 choose political WPA2 with WPA2 encryption. Under authentication key Mgmt select 802.1 x.

  Now if you need the use of WPA policy, then also choose TKIP for this.

  Choose your radius servers so for your AAA server tab.

  That's all.

• 802. 1 x EAP - TLS for wired users with ACS 5.5

  Hi all

  We are setting up a new configuration for wired users authentication with 802.1 x (EAP - TLS). ACS 5.5 we use as an authentication server.

  We have added the certificate (internal) CA root and certifcate for ACS signed by CA. Now, we want to check that authentication works or not. I hope that the CA root and identity certifcate also we need to install in laptop computers. But I don't know how to download the certifcates for client machine manually to CA.

  Please suggest on how to get certificates for clients both manually and automatically?

  Thank you

  Vijay

  Hi Vijay,

  for Wired 802.1 x (EAP - TLS) you must have the following certificates:

  Intermediate server on ACS - Root CA, CA certificate,

  The customer - Root CA, intermediate CA, user certificate (in the case of user authentication) or Machine certificae (in the case of authentication of the computer)

  I do not know what third-party certificate you use, if its Microsoft in the House or any other certificate server, you need to download the client certificate to the server itself.

  In the case of Microsoft, there will be a user certificate template. You can select and create user certificate

  This is an old document, but a computer certificate for the user configuration steps, you can see the steps to download the certificate user if his server from Microsoft:

  http://www.Cisco.com/c/en/us/support/docs/security/secure-access-control...

  In case you use the third serevr certificate, then you must check with them on how to download the certificate of the user

  See you soon

  Mohammed (rate useful message)