authentication PEAP-TLS ACS

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• PEAP configuration ACS 5 vs 4 ACS

  I am Pentecost PEAP ACS 5 and Active Directory 2003, configuration in version 4 of ACS, the ACS must belong to the domain of Winbdows and then had to perform the following steps:

  1 generate the certificate (using as base model named web server)
  2. for authentication PEAP clients, ACS must obtain a CA certificate. The requested certificate is one that was created using the Web server template.
  3. then, you must install the certificate for the ACS software. Download a certificate from base 64.
  4. then in the system configuration / install the ACS certificate / installed the certificate of the local storage of AEC.
  5 then ACS Certification Isle of installation, the *. ERC is installed
  6 and the ACS is ready.

  Now in version 5 of ACS... In the stores of users & identity > external database > Active Directory, I especified the the domain name, the user and the password, if the connection is successful, the ACS will be "Member Server" in the windows domain. My question is: I have to install the certificate file extension *.cer (step 5) in version 5 of ACS?

  Thanks and greetings

  If I understand the question, yes you import the certificate. It is not downloaded because ACS has joined the domain. The general concept is the same as GBA 4.

  Nicolas

• Peap in ACS configuration affect my connections Ganymede?

  So I've just set up peap (certs and eap - tls) on ACS 4.0. However since I can't connect to my routers more. I see the authentication on the ACS logs, but the router always tells me it's authentication has failed. I have a local user name and password, but who all of a sudden stopped working too. If I restart the ACS server I can connect to my routers then while it's down. Once he returns to the top, the authentication will fail again... ideas?

  It is a known issue, workaround is to disable the remote logging feature entirely.

  Bug have been collected for that matter,

  http://Tools.Cisco.com/support/BugToolKit/search/getBugDetails.do?caller=pluginredirector&method=fetchBugDetails&bugId=CSCeg40355

  CSCeg40355 Details of bug

  Authentication failures when remote logging fails.

  Kind regards

  ~ JG

  Note the useful messages

• ISE: PEAP-TLS

  Hello

  I want to configure ISE for the device certificate authentication + references AD (PEAP + TLS) for as much as I understood it.

  I can't find any good example of how politicians to ISE of installation for this scenario.

  Customer uses Microsoft CA and it will deploy certificates on computers in the domain before you can join wireless, so I need free registration and I hope that any sort of begging (windows just a native).

  If you can point me to some information design or configuration, I would be grateful.

  Best regards

  Michael

  See the following links, this might be useful

  http://www.Cisco.com/en/us/docs/security/ISE/1.0/user_guide/ise10_auth_pol.html#wp1146236

  https://www.Cisco.com/en/us/docs/solutions/enterprise/security/TrustSec_2.0/trustsec_2.0_dig.PDF

• PEAP-TLS certificate

  Hello..

  I have cisco ISE 2.1 and I intend to use PEAP-TLS...

  do I need to create a certificate that is signed by a CA... ??

  or I can use default certifate in ISE... ?

  Thank you

  If you are using self-signed cert then each client must contain in the trust list.

  Cisco ISE CA Service
  The internal CA of Cisco ISE (ISE CA) delivers and manages digital certificates for endpoints from a centralized console to allow employees to use their personal devices on the network of the company. The main node of the Administration (PAN) is the root certification authority. The political Service nodes (Ssnp) are subordinate to the PAN (PEIE RA) certification authorities. The CA of the ISE offers the following features:

  Issue of certificate: valid and signed applications for certificate (RSC) for the endpoints that connect to your network.

  Key management: generate and securely store keys and certificates on nodes of PAN and the PSN.

  Certificate storage: store the certificates issued to users and devices.

  Support for Protocol (OCSP) online certificate status: provides a responder OCSP to verify the validity of certificates.

  ISE CA certificates provided on Administration and Service nodes political
  ISE CA chain regeneration

  http://www.Cisco.com/c/en/us/TD/docs/security/ISE/2-0/admin_guide/b_ise _...

  Concerning

  Gagan

  PS: Note If this can help!

• TLS and PEAP on ACS

  Hi all

  I would like to ask a question here. In our production use us EAP - TLS for cable 802. 1 x (with ACS for authentication), but we are about to change for PEAP. Is it possible that these two can coexist together on ACS until we completely remove TLS? Unfortunately, we do not have test environment to test and of course I would avoid all users not being PC not able to authenticate.

  Thank you

  Radim

  Hi Ramdin,

  The GBA, you can enable the TLS and PEAP at the same time. This will make both tls and peap machine to connect successfully.

  I'm taking into account the fact that you do not change your certificate provider.

  Kind regards

  ~ JG

  Note the useful messages.

• 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

  The rate of useful messages-

• Authentication PEAP with Cisco ACS 5.3 and Lotus Notes DB

  Hello

  I want to authenticate clients wireless against the name of user/passwords stored in a lotus notes database.

  Network: PEAP SSID-> Accesspoint-> controller-> ACS 5.3 WLAN 4404-> Notes DB

  Is this possible?

  I can connect to the attributes and ldap groups and query. but when I try to authenticate a user, I always get an error "object not found in the identity store.

  Bind test succeeds (> 100 groups and > 100 subjects.)

  EAP MSCHAP v2 is not taken in charge with LDAP by ACS

  You can use EAP GTC

  You should a begging utility that supports PEAP (EAP-GTC)

  such as ADU, Intel Proset, CSSC Cisco AnyConnect,... you can google for a list of applicants

  Open the new thread for cause of Apple

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  Be sure to note the correct answers and report this thread as answered

• WLSEE and authentication PEAP + integration of ads by Win

  Can WLSE Express box users can be authenticated on the victory of the PEAP authentication (with digital certicficate) and integrated with Microsoft IIS and WIN AD server to authenticate users (without using the built-in AAA server)?

  Thank you

  WLSEE is not a 'controller' in the sense that it has a real-time control over what happens to your wireless users; It does just to push out to the APs models. If you say your APs AAA services are on your box of IAS (not IIS) instead of your WLSEE, that's where they look.

• Local use and authentication AD with ACS 5.6

  I have an ACS 5.6 unit configured to use AD authentication for my default network access and rules. It works very well.

  I tried to implement some features, put them in a group and give only locally defined ACS to users access to these devices.

  Problem, after you have created the local accounts on ACS creates a group of local identity, and trying to authenticate with a camera, I always get "object not found in the identity store.

  Is there a way to have the hybrid authentication like that? How do we?

  Hi Colin,

  One thing that comes to mind is "sequence of identity store. Ensure that you have "internal users" listed in there otherwise that demand would never be mapped against the internal users.

  I also want to double check the source of identity under default device admin or any service that you created. Ensure that internal users.

  Take a look at the document below for more details on the identity store sequence.

  https://supportforums.Cisco.com/document/103901/ACS-5x-identity-store-se...

  Kind regards

  Kanwal

  Note: Please check if they are useful.

• authentication between the ACS and AD

  Hello

  I would like to know what kind of authentication mechanism ACS 5.1 use to speak with Active Directory. Does simply use MSCHAP, MSCHAPv2 or PAP. By default, it uses PAP to talk between the Cisco IOS and the AEC on the 5.1.

  If you llook at the default admin tab and click on allowed protocols---> he mentions PAP.

  Should I use a safe means of transport between the ACS and AD. IDF, so anyone can say the authentication mechanism?

  Thank you

  Any meeting of directors like telnet, ssh and comfort they always use PAP as an authentication method.

  Although communication pap can be captured and read in this case in clear text. However, since we have Ganymede in use, he always encrypt the whole package with shared secret defined on the IOS and ACS/GANYMEDE so if you capture traffic between the radius and the device you won't be able to decipher it without the key.

  In case you have Ray then using SSH (Putty) so that it can help you for a safe communication.

  ACS and AD support PAP, CHAP, MSCHAPv1 and MSCHAPv2.

  However, the administration does not work on another method of authentication except PAP.

  HTH

  Regds,

  Jousset

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• Authentication PEAP wireless across the VPN tunnel

  We use routers for Cisco 871 VPN connectivity series. I'm testing the 871W for VPN and wireless connectivity. I am able to get the VPN but have problems with authentication using PEAP and authentication through active directory wireless. The problem is that my router is unable, because of the VPN connection, "talk" directly to my authentication server using the LAN ip address. I can get the authentication works if I pass the traffic through the internet, drill a hole in my firewall to complete the authentication process. This isn't my preferred method. What can I do to work around may lists VPN access that prevent my direct connectivity to my server?

  Are you able to ping to the ip address of the radius through the tunnel server?

  Try adding this:

  radius of the IP source-interface BVI1

  * Please rate if helped.

  -Kanishka

• Authentication VPN using ACS 5.2

  I want to use ACS 5.2 to authenticate VPN users and wireless.

  For VPN users, there is an internal group in the GBA box and an Active Directory group in AD.  I would like to be able to use both sources to authenticate VPN users.  Some VPN users will have local accts on the GBA, others AD box.  I'm having a hard time to rethink the policy.  It seems that I can get to use either AD or internal users, but not both.

  Creating identity store sequence and have internal user and AD in the Sequenece, refer to the attached screenshot and you can have this identity in the access policy, so both internal and external and AD store is checked

  Note: please rate the answer if it was helpful
  

• Not use 5.4 ACS for TLS authentication with a certificate not in the string

  Hi all

  I have installed ACS 5.4 and several wireless environments.

  EAP - TLS is used to authenticate users of our area (of self-signed cetificates)

  Then use PEAP and need for a real external cert... (Signed by Terena)

  The problem is that I can use a single certificate for authentication EAP on ACS, and I need them both to work.

  I see only 2 options:

  1 configure the TLS network to authenticate without going through the ACS cert in the string (use the real one)

  2. set up somehow to use two certificates, one for each service.

  Please help, im desperate.

  Thank you!

  Naor

  You can't have several certificates of server/identity on ACS for EAP flavours. As a best practice, get the third-party certificate and check to associate the certificate with the EAP protocols that use SSL/TLS tunneling: EAP - TLS, PEAP and EAP-FAST.

  ~ BR
  Jatin kone

  * Does the rate of useful messages *.

• ACS, WCS, PEAP, Machine Authentication

  We are building a new wireless network with a new unit of ACS 5.2 and new controllers LAN with WCS.  We want to create a SSID encrypted/secure ONLY the machines managed by our care who can access the LAN with.  We are looking for the best solution with a minimum of complexity.  After that several internal discussions, we seek to use authentication PEAP (testing with a self-signed certificate), and then create a strategy to access the ACS to validate the machine is a member of Active Directory.  Unfortunately I can't find the way to validate membership of the machine.  I don't know if I'm missing something or if this is even possible.  If anyone has any suggestions for that to happen, or a better way to handle this, I would appreciate the help.

  What you need is the authentication of the computer. The machine will first authenticate with its letters of nobility (AD account) and then the user authenticates too. This option is available in the windows client.

  Then, you can also set the ACS to only allow a user to authenticate if the machien was authenticated before.

  You must enable auth on the ACS server machine (users and identity stores--> external Identiry stores--> Active Directory, check the box to turn on computer authentication)?

  Also - under Access--> Access Services policies, tab protocols allowed, you enable the option "host Lookup process.

  Create an access policy, activate the search for PEAP-MSCHAPv2/process host, set the conditions by using the identity group and has been authenticated Machine that looks like:

  (1) if Identitty group to the computer group, then allow access

  (2) if Identtity group to the Group of users and the Machine has been authenticated, then allow access

  (3) deny access by default

  More details in discussions like https://supportforums.cisco.com/thread/2014145

  I hope this helps.

  Nicolas

  ===

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