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• ISE Local certificate and the certificates in the certificate store

  Hello

  I'm pretty new to ISE and read the document in the link below to create understanding "Local certificates" and "certificate store certificates. It seems that in the former certificate is used to identify the EHT on customers and is later used to identify customers at the ISE.

  http://www.Cisco.com/c/en/us/TD/docs/security/ISE/1-2/installation_guide...

  Now, what part of the ISE configuration told him to check the certificate sent by the client in its certificate store? I am somehow the mixture up with "Certificate authentication Profile", which is used in the identity Source sequence. But I guess that the certificate authentication profile is used to verify the certificates from a source of external identity as AD or LDAP. So where do we consider 'certificate certificate store' in our configuration of ISE.

  Thanks in advance for help out me.

  Kind regards

  Quesnel

  Hi Quesnel-

  (ISE) server certificate can be used for are:

  1 HTTP/HTTPs - is for the ISE web server that is used to host various portals (comments, Sponsor, BYOYD, my devices, etc.). This certificate is normally issued by a public CA such as VeriSign or GoDaddy. A public certification authority is not necessary, but outside your environment, customers who do not trust the certification authority that issued the certificate will get an error HTTPs warning to users that the certificate could not be verified.

  2 EAP - this is for EAP based authentication (EAP - TLS, EAP-PEAP, EAP-PEAP-TLS, etc.). This certificate is usually issued by an internal CA. The same certification authority issues usually user and/or computer-based certificates that can be used for the authentication type EAP - TLS.

  The certificate store is used to store root certificates and intermediate certificate authorities you ISE to trust. By example, if a computer is running a machine ISE authentication must trust the certification authority who has signed/issued the machine certificate. Therefore, the machine will also have to trust the certification authority which has issued/signed the ISE server certificate that you torque to the EAP process.

  Profile of teh authentication certificate is required if you want to use certificate based authentication. The CAPE tells ISE which attribute of the certificate should be used for the usernmane. Then based on that you can create more specific authorization profiles/rules information. You can also configure CAP to make a comparison of binary certificate with AD and confirm wheather or not the certificate is/has been published to AD.

  I hope this helps!

  Thank you for evaluating useful messages!

• ASA SSLVPN trustpoints authentication certificate

  Hello

  I have an Asa with a few set up Trustpoints. How can I allow only the client certificates to a trustpoint in a tunnel-group? I've seen client-side settings as a profile connection or certificate-cards, but they don't stop with the right certificate authentications.

  Could I send the client certificate to a RADIUS as with dot1x and check on the authentication server?

  Hi Marcel,.

  First of all, you can use certificate-card on the SAA for a new SSL session link to the connection profile desired.

  However as you said, the ASA will validate a certificate issued by a certification authority (the one for which you have the certification authority in a trustpoint), providing it is indeed valid and optional check CRL alright.

  If for some reason you have a scenario where you want to deny access SSLVPN to users who have a valid certificate issued by a given CA, you can use the card-certificate to bind these new SSL sessions to a "dead end" connection profile that has the maximum session set to 0:

  Example config:

  ! first set the group policy and profile to catch these sessions that should not have access:

  internal DeadEnd_GP group strategy

  attributes of Group Policy DeadEnd_GP

  VPN - concurrent connections 0

  client ssl-VPN-tunnel-Protocol

  remote access to tunnel-group DeadEnd type

  tunnel-group DeadEnd General attributes

  Group Policy - by default-DeadEnd_GP

  tunnel-group DeadEnd webvpn-attributes

  authentication certificate

  ! Then, set the criteria of certificate card, mapping of certificates to a 'good' profile:

  Crypto ca certificate card mycertmap 10

  name of the issuer attr cn eq myIssuer

  Crypto ca certificate card mycertmap 20

  ! This rule is a rule of 'catch-all '.

  ! Finally, define the mapping in the section overall webvpn:

  WebVPN

  Certificate-Group-map mycertmap 10 myProfile1

  Certificate-Group-map mycertmap 20 DeadEnd-profile

  --

  Note that:

  1. in the configuration of certificate card, your ASA will request certificates for SSL connections client-side. If you also have AAA only authenticated profiles, maybe that's a problem - I'm not sure it will work 100% ok, I would need to test.

  2. If you use ASDM, you will find the definition of certificate card in the menu

  Setup > remote access VPN > advanced > certificate Anyconnect and Clientess SSL VPN connection profile cards

  ===

  Secondly, on the use of RADIUS - it is not possible to send the certificate itself to RADIUS (AFAIK), but you can use Radius authorization as an extra step after the validation of the certificate.

  The ASA will extract everything first a username of the client certificate subject name - it is configurable, and can even be in Lua script.

  A Radius access request is sent to extract username - then you will probably need the user to exist on the Radius server.

  In ASDM, you will find this configuration by the connection profile, in advanced, subsection authorization of editing connection profile.

  You may be interested in research in this guide explaining a use case where this authority has been used to allow only certain users who have had a certificate from a national public key infrastructure:

  http://www.Cisco.com/en/us/products/ps6120/products_tech_note09186a00808e00ec.shtml

  In step 6, point L, the authorization is configured.

  It's a pretty old guide remains real, you will see that it uses the LOCAL server for authorization, but apart from that it's the same principle.

  ===

  I hope this helps, please let us know.

  See you soon,.

  Chris

• Authentication card smart - authentication certificate user

  I am developing an authentication solution for BlackBerry based on cryptographic SIM cards. I managed to create a pilot smart card reader and a driver of smart card using the RIM Crypto API. The use of these two, I'm able to import a
  certificate stored on the SIM card, enable the authentication of users in two phases that checks the password device and the STEM to the certificate. I can also set up a TLS session using private keys and certificates stored on the card.

  However, when you try to activate the "Authentication certificate" option in the password options panel, I encounter a problem. After selection of the certificate and click on save, the device asks me to enter the password device and the PIN smart card, what I'm doing. Debugging tells me, that the PIN is properly checked with the card. Subsequently, a 'Card access smart' popup appears with information that the 'Options' of RIM application attempts to access the card with the information "the private key will be used to initialize authentication certificate". When I enter PIN code OK, I said: 'failed to initialize authentication certificate. Check that the certificate is not on the smart card used for two-factor authentication. »

  Can someone tell me why this is? Must the certificate be special in some way (content, restriction of the use of the key etc.)? The certificate is obviously present on the map, as there is for example a client certificate for TLS sessions setting. Also, what makes this "initialization" all of the average of certificate?

  Well, I think I'll answer myself that I managed to solve this problem

  After some debugging I realized that:

  • After the second PIN prompt appears, the method of signRSA (net.rim.device.api.crypto.RSACryptoSystem, net.rim.device.api.crypto.CryptoTokenPrivateKeyData, byte [], byte [], int, int, java.lang.Object) in our RSACryptoToken extension is called
  • This method gets a context (last parameter) object, which is a SmartCardSession
  • during the processing of the request of sign (cf. the smart card and examples of smart card of RIM drive) must not create an another smart card session, but instead reuse the provided in the framework.

  Trying to establish a new session of chip due to the demand to block, because the sessions are exclusive, i.e. only can be opened simultaneously.

• ISE - authentication radius AAA for n access

  Hello

  I have configured the switches to use the ISE as a Radius Server to authenticate with, on the ISE, I configured an authentication strategy

  for the 'DNA' using the devices 'Wired' group that points to the source of identity AD to authenticate.

  All testing switches access connection we found 2 results:

  1.A domain user can connect to the switch as expected.

  2. each domain user that exists in the source of advertising identity can connect, this is an undesirable result.

  So I will try to find a way to restrict access to the ENAD to only a specific group belonging to the announcement, for example the group/OU

  of the IT_department only.

  I did not, would appreciate any ideas on how to achieve this.

  Switching configurations:

  =================

  AAA new-model

  !

  AAA authentication login default local radius group

  !

  ISE authentication policy

  ==================

  !

  Policy name: DNA authentication

  Condition: ": a device Type equal to: all Types of devices #Wired.

  Authorized Protocol: default network access

  Use the identity source: AD1

  !

  No problem is how to set up policies, don't forget to evaluate any useful comments when you are finished testing.

  Thank you

  Tarik admani

• ISE-based certificate authentication

  Hello

  I am developing an understanding of certificate based authentication using EAP - TLS on the ISE. My question is do we really certificate authentication profile (CAP) even if it is enough just to perform certificate-based authentication and we don't are not interested in setting up authorization rules based on which field of the certificate was specified as username in the CAP. I'm asking this because I think that probably in certificate based authentication, ISE has just need to check the validity of the certificate and if it was signed by a certification authority that it can check by looking in the certificate store. Please let me know if I have the wrong concept.

  I am curious to know what the whole purpose of CAP? I read in a book that:

  To validate the identity ISE must ensure that the credentials are valid. In the case of authentication based on certificates, it must determine if:

  The digital certificate was issued and signed by a certification authority (CA).

  The certificate has expired (check the dates of the beginning and end).

  The certificate has been revoked.

  The customer has provided evidence of possession.

  This certificate has the correct use of the key, the critical extensions and extended values present key usage.

  So in above listed points where is used specifically for CAP?

  Thank you for taking the time to answer.

  Kind regards

  Quesnel

  Hi, Quesnel, I'll try to answer your points as best I know :)

  #1) I don't really know what the mechanics of ISE are when it comes to the CAP. It is however a snip-it of the Cisco Design Guide:

  S certificate of authentication profiles (CAP) are used in the rules of authentication for authentication based on certificates. The CAP sets certain attributes in the certificate to find out & use as a source of additional identity. For example, if the username is in the CN = field of the certificate, you can create a COURSE that examines the CN = field. Then these data can be used and verified against other sources of identity, such as Active Directory

  http://www.Cisco.com/c/dam/en/us/solutions/collateral/enterprise/design-zone-security/howto_60_byod_certificates.PDF

  (#2), you should be able to set a COURSE and use it as a storage of identity without the need to put in a sequence. I've done several times and just re - confirm is it possible in my lab. Please check again :)

  (#3) une sequence of identity store lets examine you more than one identity store. In addition, it defines defines the order in which the Sources of identity are questioned. Once a match is found, the process stops and the information returned to ISE.

  Thank you for evaluating useful messages!

• Remove the ISE server certificate EAP

  I installed the GoDaddy server certificates on all my 1.1.1 ISE nodes, but customers are still getting the error and accept certificates.  I would just remove EAP certificate and not use any certificate for EAP.

  Explain the problem more in detail. You try to use the comments or 802. 1 x. There are many protocols of authentication you want to use EAP. TLS and PEAP require the use of the cert. What you are trying to accomplish and what are the issues?

  Jim Thomas
  Cisco Security course Director
  Global Knowledge
  CCIE Security #16674

• Cisco ISE - authentication policy

  Hello guys,.

  Hold the opinions of a scalable strategy for authentication of users and / or the workstations in Cisco's ISE for the following scenario:

  Customer with some 130 branch offices. Each branch has an another AD domain without trust with the HQ and with the other branches.

  Knowing that the ISE supports integration with up to 50 domains, what suggestion for this case?

  Kind regards
  Daniel Stefani

  Stefani,

  Of course it will work, you can even use a centralized architecture CA, make sure just that you can distribute these certificates at endpoints...

  Another option is to check if the AD user account is limited (disabled, locked, has expired, password has expired and so on) via LDAP, but you need the username is equal to some field in the certificate (CN or SAN).

  Kind regards

  Fabio

• authentication certificate "don't ask again"

  I connect to a remote server using MS Server 2008 R2 of the House using a laptop Win7 and remote desktop. During the connection process, I am presented with a certificate of authentication failure message to which I respond usually "do it anyway". Last night as I clicked in the box 'Do not ask again' and now I can't connect at all. I see an error message saying: the server is not available or is turned off, etc..

  Anyone know how I can "reactivate" the failure of original certificate message?

  Carol

  This issue is beyond the scope of this site and must be placed on Technet or MSDN

  http://social.technet.Microsoft.com/forums/en-us/home

  http://social.msdn.Microsoft.com/forums/en-us/home

• ISE with certificate - without AD

  Hello

  We would like to implement the following:

  Corporate (non-private) Tablet and mobile devices (Ipad, Android) can connect to company SSID wireless with certificate installed on it.

  but without members of AD, so certificates exist only on the server public key infrastructure. (of course the auth is based only - TLS certificate)

  I know the BYOD is very even, but - as I understand - AD authentication based on the final phase, after which the certificate of authenticity is a simple certificate.

  Is it possible to implement without AD? The provision of certificate is a special assistance service, not controlled by the user.

  TIA

  Attila

  Of course, also your authorization rule does not try to match something like an ad group, you should be fine with EAP - TLS without integration AD.

• Authentication certificate ACS 5.1 Administrator?

  Is it possible to authenticate ACS directors [web INTERFACE] by client certificate in the ACS 5.1?

  This link is for 4.x, which is a different product to 5.x.

  Current administrator authentication is made by name of user and password only.

  The certificate can be changed, but this only changes the present certificate to the

  the user because they are logging in the TAS.

  -Jesse

• Authentication certificate has expired or is not valid

  Get the error connection PC with remote access, error: "authentication".

  Certificate from the remote computer has expired or is not valid. »

  Hi Chandan,

  You can ask your question here to improve the assistance:

  http://social.technet.Microsoft.com/forums/en-us/category/w7itpro

  It will be useful.

• AnyConnect: User based authentication certificate filtering Configuration

  Hello colleagues in the network.

  recently I needed to configure AnyConnect SSL VPN with certificate authentication to meet the needs of connection at the request of the features of Cisco Jabber.

  Everything is ok, but I need to filter users based on their personal certificate information. For example - all those who have a personal certificate from our CA can now access this VPN. I want to set the users by e-mail of the certificate and only these users are granted access.

  I used this command:

  WebVPN

  allow outside

  AnyConnect image disk0:/anyconnect-win-3.1.04072-k9.pkg 1

  AnyConnect enable

  tunnel-group-list activate

  Certificate-Group-map Cert - filter 10 company-Jabber

  map of encryption ca Cert certificate - filter 10

  name of the object attr eq ea [email protected] / * /

  The problem is that I have to go can visit his profile - if I change [email protected] / * / to

  On the AnyConnect client - I connect to the GroupURL of the connection profile Company-Jabber

  Hi Alexandre

  There are several ways to approach this and this depends somewhat on the rest of the config, for example if you have other groups of tunnel etc..

  I guess the easiest way (if it does not interfere with the rest of your configuration) is to add something like this:

  crypto ca certificate map Cert-Filter 65535 subject-name ne ""

  This would attract all users/certificates does not not from your previous rules.

  Under webvpn you map these users to another tunnel-group (connection profile):

  certificate-group-map Cert-Filter 65535 NoAccess

  And configure the NoAccess group so that access is denied (for example, by setting simultaneous connections to 0 in the corresponding Group Policy).

  Other means would be to use DAP (dynamic access policies) to pretty much the same as the certmap, or permission to LDAP (for example retrieves the user name for the certificate, then perform an LDAP search to see if the user is allowed to use the VPN - in this scenario, there is no need to list all the users on the ASA but for example you need to create a new group on your LDAP server that contains all VPN users).

  Let me know if you want to go further in the foregoing

  see you soon

  Herbert

• ISE and certificates

  Hi all

  Im trying to get my head around the use of 3d party certificates with the ISE and I think that I need advice here.

  I have a setup of 6 knots ISE, 2xAdmin, 2xMonitoring and 2xPolicy.

  All the these have the abc.local domain name.

  I want to use MS-CHAPv2 and customer service without certificate error.

  So I register all my six knots with some 3d CA? Or only the nodes 2xPolicy?

  I know that the best solution would be the six, but just to know if it is possible.

  How to work around the problem with .local? I don't think that it is possible to get a certificate with .local as a domain in the FULL domain name.

  Is that useful here of SAN certificates? How would look (even .local in CN..?)

  Other things to consider in the present?

  concerning

  Mikael

  That's right, that you must issue the CSR based on the currently configured for ise host name that corresponds to the fqdn.

  Your problem is that the public certificate authorities will not issue you a cert because you use a .local and not a public domain such as .com, .edu or .org to name a few.

  The only way to solve your problem is to use a Microsoft private certification authority that is simple to configure. Or change your area om ise and use the public domain of your company name.

  Thank you

  Sent by Cisco Support technique iPad App

• WIndows now thinks it's not authentic after more than two years.

  I've been running Windows 7 Home Premium (64 bit) for more than 2 years - there was delivered pre-installed on a new computer.

  It has been activated very quickly after I started using it.

  In the last days he began to saying that "this computer is not running Windows genine.

  All relevant updates have been applied on a regular basis.

  Why it suddenly changed in this way?

  I don't think I got a virus infection.

  The common cause for these mismatches is a defective Intel Rapid Storage Tech driver

  Download and install the latest version of...

  http://Downloadcenter.Intel.com/Detail_Desc.aspx?AGR=Y&ProdId=2101&DwnldID=21730

  Then run another MGADiag report and view the results.