Cisco AAA/Identity/Nac :: ACS 5.x Identity Store Sequence And Token Validation
Dec 3, 2012
We have a ACS 4.3.2 installed with users authenticating against an Active Directory database. The AD database not only authenticate the users but also assigns the group that is used to select IP address pool.Now the requirements require to use token authentication with SafeNet. This authentication uses the same username but the password is composed of the original password + OTP.The problem is that the SafeNet server doesn't return the group membership.I've read about the Identity Store Sequence in ACS 5.x and I think I could use it in the following sequence:! configure an Authentication Sequence using the SafeNet token server (this works with ACS 4.x)I configure an Attribute Retrieval Sequence against the AD database. This would use the username only, no password and would retrieve the group membership.
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May 18, 2011
I have a new Cisco Secure ACS 5.2 on a VM. We want to use it to for administrative access to our Cisco equipment with TACACS+. I am trying to map user permissions to different groups of devices based on active directory group membership, however it is not working.
I am using an LDAP (configured for secure authentication) external identity store. On the directory organization tab, I have confirmed the accuracy of the subject and group search base and the test configuration button shows that it's finding > 100 users and >100 groups.
On the directory groups page I have entered the groups according to the required format. cn=groupname1,ou=groups,dc=abc,dc=com
I have a rule based result selection under group mapping. I have two rules in the format below.
Conditon
LDAP:Externalgroups groupname1
Result
Identitygroup1
I have the default group set to a identity group named other. My problem is, no matter what user attempts to authenticate, the Default rule is applied, and the user is put into the other identity group.This occurs when I log on as a groupname1 user, groupname2 user, or as user that is not a member of either of those groups. LDAP authentication works and the user is able to logon to the device.
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Jul 11, 2011
We are using ACS 5.2 and we are trying to create a Microsoft Active Directory (AD) Identity Store. We have a user to be used in the Active Directory creation General page and we would like to know how the test communication / ACS to AD communication takes place.
Our user is a predefined user in AD and has admin rights, but the password expires every 60 days. Will this affect the communication between AD and ACS 5.2 at everytime the entered user's password expires?
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Jan 24, 2012
I'm currently looking for a solution in order to restrict the modification of the host internal identity store (add or delete MAC host) per group. The default administrator roles does not include "per group restriction". Under the ACS I defined one group per department? My objective it to allow each department to access their ACS MAC database to add or delete MAC addresses as required.
How to restrict internal identity store per group?Do I need to create new roles? and how?I was not able to get an answer from the ACS ADMIN manual.
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Feb 22, 2013
I have installed ACS 5.4 and we are looking to authenticate our Anyconnect users with ACS via Active Directory. I think I have the correct commands in our ASA ( we had ACS 4 and authenticated our anyconnect users ).
I also have configured ACS to use Active Directory and installed the server side cert in ACS. I'm just uncertain how to program ACS to use the security group that I have setup in Active Directory.
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Sep 25, 2011
I am trying to setup PEAP authentication for wireless users but I got stuck at place where I have single ssid and users are store in different identity stores like some will be using their active directory and some are locally created users on ACS. I created separate service for wireless authentication and under that I am unable to create rule to differentiate them with identity stores. any idea how to achieve this.
I tried creating identity selection based on role but it does not work as for protocol like radius.peap,ms-chap ACS does not look for another identity store once user not find in an identity stores.
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Jan 24, 2012
We are running ISE 1.0.4 with a requirement that on the surface is simple, but fails to execute properly no matter how I tweak it it. It is:
VPN users either need to be within a certain AD group or They need to authenticate against RSA.
I set authentication to use an identitysequence with RSA listed first, then AD second.
I set authorization to check identity server (using network access:AuthenticationIdentityStore).
- If it’s RSA, pass it.
- If it’s Active directory, AND the condition with a check on that group membership. Pass if both pass.
- Set the default authorization rule to deny access.
This should work. Here’s where it breaks down. It all stems from the fact that the same userIds exist in RSA and AD and that ISE steadfastly refuses to attempt the second identity server method listed in the sequence if RSA is listed first.
• If I list RSA first and the “authentication failed” policy is set to Reject: For users not in RSA that I want to authenticate against AD, it rejects – it attempts against RSA but never hits AD (second server listed in the Identity sequence). This is what is brokenThis works for users in RSA
• If I list the RSA server first and the “authentication failed” policy is set to continue Users not in RSA will pass authentication that shouldn’t because the network access: AuthenticationIdentityStore value will be pointing to the RSA server, regardless of whether they actually passed to that server or not.Effectively users can connect regardless of whether their password is right or notThis option sets it to proceed from authentication to authorization
• If I list AD first in the sequence Since the same ID exists in both AD and RSA, it’ll fail as bad password against AD. It'll never attempt against RSA.
Am I missing a simple fix for this? I have a testbed in which I can simulate the issue but since I don’t have an RSA server handy, I’m using an identity sequence with AD and fallback to internal. It works as I’d expect, falling back from AD to local if the user doesn't exist in AD. If the user is in AD, it never tries local and shows the attempt as a bad password.
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Jul 19, 2011
I am migrating from ACS 4.2 to 5.2. In 4.2 you could assign one user to auth via Internal Database and another user to auth via Radius Token Server. I cannot find how to do this with 5.2. There is a note in the doc that states 'Identity-related attributes are not available as conditions in a service selection policy'. Does this mean that you can only choose one auth method for all users? If it is possible to have multiple methods, how am I able to accomplish this?
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Aug 11, 2011
We are using ACS v5.2.0.26.3 in 802.1X certificate based authentication. Now, when we added CRL functionality into ACS it fails in CRL validation and gives following error message:
LastErrorMessage=CRL PKI verification failed
Certificate Revocation list [URL]
We have installed root, device and server certificates from CA, but for management we are still using self-signed certificate.
Question is, which certificate is used when validating downloaded CRL file - one used for EAP-TLS or one used for management interface?
How I can check which certificate ACS server is using for CRL validation?
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Sep 9, 2012
it's possible to enable Posture validation on ACS 5.3. If so, could I have a link or a procedure for implementation ?
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Jul 2, 2012
I want ACS 5 to authenticate the wireless users validating each user with a certificate. The ACS is connected to the AD but, is it possible to do that using user/password from the certificate?, i need to do that with certificate and independant of the AD certificates of each user, so it will be scalable.
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Nov 30, 2011
I have ACS4 and i am planning to upgrade to ACS5.I would like to have such a rules:I have user1, one ASA device which is VPN concentrator for remote users.ASA have two different tunnel-groups: one which allow for logging via certificate (with mandatory pki authorization thru ACS) with disabled Xauth,and second tunnel-group with allow login thru typical Xauth with authorization thru ACS which users external database (RSA Tokens).So i have one user1 which can login thru VPN using RSA tokencode or certificate.For example: on phone user1 uses certificate, and on PC station the same user1 uses token password.For tunnel-group with pki authorization ASA checks username in ACS and in typical scenario login="CN from certificate" and password="CN from certificate". So we would need "two credentials" for the user - one for pki authorization, and second one external database (RSA token).Is such scenatio possible under ACS 5 ? where one user uses different credentials based on tunnel-group usage ?
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Mar 14, 2013
I'm currently having issues testing OCSP servers for certificate validation on ACS 5.4. Server team claims everything is fine on their side, but all attempts result in the following error:12562 OCSP server response is invalid
I've already tried to disable NONCE extension support and signature validation, which hasn't really had any effect. How to debug OCSP processing or look into the problem more precisely another way?
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Apr 14, 2011
I just installed a new ACS 5.1 to authenticate wireless PEAP users, so I created an Access policy "WirelessUsers" with identity store being Windows Active directory and all domain users are selected, and create a service rule that dictates that if the authentication protocol is radius, network device belongs to WLC device group, the result service will be "WirelessUsers", so this part worked perfectely, all domain users are able to gain wireless access via their DOMAIN/usernames and domain passwords. Now I want ACS local indentity store users (those local usernames can be the same or different from their AD usernames) to be able to manage those controllers, so I created another access policy "DeviceAdminUsers" with identity store being local users, another service rule which says that if the authentication protocol is radius, network device belongs to WLC device group, the result service will be "DeviceAdminUsers". The problem is that with the setup, whenenve when I try to SSH to WLC, ACS always put me in "WirelessUsers" access policy, even the login name does not have DOMAIN pre-pended or the login name simly does not exist in AD. if I put the second rule in front of first rule, I am able to authenticate with ACS local username/password and gain access to WLC, but wireless users will fail to authenticate, because ACS is trying to put regular wiress users in "DeviceAdminUsers" access policy. I would expect if username does not exist in AD, ACS should proceed with next rule. Similar requirement was easily achieved in ACS 3.3.
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Sep 21, 2011
Network Resources - Network Devices and AAA Clients- File Operations - Add - gives me File Format Validation Faliled. I am carefull to leave the header as it is. The header in the Import Template looks faulty, see attached. When exporting devices I also get the same header as attached. I also tried to change the header so its all in one column, but with same result.
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Feb 12, 2012
I'm trying to authorize managment access for HP ProCurve Manager via ACS RADIUS. But I get the failure: 15015 Could not find ID Store Machine is configured under Network Devices and AAA Clients, the sevice selection rule selects the correct access service, Access Service is Network Access, authorization profiles = permit access.
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Mar 14, 2012
are the connections between the ACS and external identity stores encrypted?I know that when setting up LDAP identity store there is the option to specify SSL conection. Are the other connections encrypted by default, or is the data sent between the ACS and AD, for example, sent in the clear?
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Jun 4, 2013
Using Sha1 for Cisco 7925g and sha256 for data. Two separate CA's, one EnTrust (SHA1) the other Local Wondows CA (SHA256); ISE can only use one at a time to process a particular protocol (ie..EAP-TLS, HTTP, etc...) As a result we have to have a separate PSN just for Wireless and Wired VoIP (which can only hold SHA1 RSA1024).
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Jan 30, 2012
There is ASA with remote access VPN and users are authenticated using third party signed certificates (CA is not local in ASA).When user certificate expires i can see it in syslog messages. For example:
%ASA-3-717009: Certificate validation failed. Certificate date is out-of-range, serial number: (...)
I would like to know if there is an opportunity to view user's certificate expiry date beforehand, say, 3 days before?
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Oct 28, 2012
I'm trying to test such 802.1x wired environment:windows xp sp3 as supplicant windows NPS as radius server 2960 as authenticator latest anyconnect (3.1.01065) + nam and standalone profile editor.I have a question: What is the difference between protected identity pattern and unprotected identity pattern (set in nam profile editor)? As I understand documentation PEAP-MSCHAPv2 is a tunneled method and it uses un- protected identity pattern to protect user's identity during phase 0. But if I use any fake identity here (anonymous, anonymous@[domain], etc) access is rejected (Access-Reject in switch debugs). I have to use exacly the same pattern in unprotected identity pattern as in protected identity pattern ([username] or [username]@[domain]) to gain access, regardless of authenticaton mode (same in machine only, user only authentication).
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Dec 5, 2012
I have a new ACS 5.3 configure and a ASA5550 to authenticate VPN users using a remote LDAP server. Once I try to authenticate the users with the ACS it gives me the error message "22056 Subject not found in the applicable identity store(s)."
I checked out the documentation and have already configure the Identity store sequences to redirect everything to the LDAP server, I also did the Bind test and it says that is ok, but I still have the same problem.
I validated the Access Policies Menu, and tried to create a new Service Selection Rules, but whet I get to the option of modifying the Identity option I get the error: "This System Failure occurred: {0}. Your changes have not been saved.Click OK to return to the list page. " and I'm not able to modify the identity, not in this new option I created, nor in the ones already created in the ACS.
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Oct 6, 2012
I have two ACS v 5.2 (primary and secundary) and some users are in the internal stor and the others are in the AD.The local site topology is like this:
PC - AP - WLC - ACS - AD
Authentication method is PEAP(EAP-MSCHAPv2) and all user have the certificate company installed. The OS in the client users is Windows 7.Users was working fine but some users reports intranet disconnections. I see in the ACS log many "22056 Subject not found in the applicable identity store(s)." and "24415 User authentication against Active Directory failed since user's account is locked out" alarms.I believed it was because user wasn´t in the AD data base, but some times the same user is authenticated successfull and other i see the "22056...." or "24415...." alarms.
I switched the role for ACS primary to works as secundary and we see the same alarms.
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Apr 14, 2011
I have ACS 5.2 running as a VM. I'm AD, then local authentication successfully for device access, but I want to define ACS user groups to restrict login. I don;t see any way to do this. If I use AD groups, they don;t show up as selection options on the policy screens, just the ACS locallyy defined groups.
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Dec 5, 2011
I'm looking for Cisco ISE v1.1 to use the following licensing feature. url...Endpoint is dynamically profiled by Cisco ISE and assigned dynamically or statically to an endpoint identity group. Cisco ISE authorization rules do not use this endpoint identity group.
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May 11, 2012
I am currently running cisco ACS 5.1.0.44 and use active directory as the main authentication identity store to allow network administrators to have access to network devices in my organization .As per the established security policies in my organization , the ACS has to disable any account after 3 failed login attempts to any network devices .i have gone through all the settings oN the acs but couldn't find where or how it is done .
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Aug 28, 2012
I have an ACS 5.3 cluster, that is configured to use AD. There are a few wireless devices, and monitoring tools that do not have AD accounts. I would like to configure ACS to first check AD for the user authentication, and if that fails to roll over to the local (Internal Users) identity source where I can define these user accounts.
It seems that when the authentication hits the initial Identity Policy rule, it never moves onto the next one if the first fails.
Attached are screen shots that show how i'm configured for the test, i have a local user defined and I'm trying to log into the firewalls.
- Identity Definition : Screen shot of the main ACS definition for the rule i'm testing that's not working
- Identity Rule 1 : The configuration of rule 1 that if it fails i need it to move onto rule 2.
- Log Output : Screen shot for one of the failed attempts from the ACS View Log server.
Reason I need to configure it this way is:
- Wireless users authenticate to wireless using AD user accounts. Some hand held scanners do not support that and will need to authenticate using the MAC address.
- Authentication to Network devices for managment uses AD accounts. We have some monitoring tools that do not have AD accounts, and will need to be able to log into Network devices to issue some commands (Examples: Cisco Prime LMS and NCS, Infoblox NetMRI).
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Apr 18, 2012
how profiling works exactly ?How intelligent is the profiling engine, meaning: Will it discover that one device has more than one different MACs and will merge the entries in the database ??
Example:This is in fact the same device, there is only one WLC-2500 in the network ....If it can discover that, what needs to be configured on the ISE to do that ?
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Aug 27, 2012
I have setup an Identity Firewall on a ASA version 5.6 on a DMZ interface.I have installed the ADAgent on a domain member Win2008 and configured as follows: [code]
where ashdew is a domain user and ACL 122(only one line) is applied on the dmz interface and NAT is properly configured.The ADagent has been properly tested and ASA can register to it.The ASA can connect to AD DC controller and query user database.I have placed a laptop ip 172.17.h.x on the DMZ and can ping the DMZ interface.
The laptop cannot authenticate on the domain and the asa does not seem to retrieve the user identity.Do I need to add extra rules in the access-list 122 to permit trafic to DC?Can I check on the AD Agent if it can retrieve the user to ip mapping ?
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Aug 15, 2012
I understand that Cisco Secure ACS 5.3 supports the integration with existing external identity repositories such as Windows Active Directory and LDAP servers. In fact, in my environment, my ACS 5.3 is now integrated with AD and RSA.My question here is can Cisco Secure ACS 5.3 integrate with "multiple" WIndows AD, LDAP, RSA Server etc.? if yes, is there a Cisco document stating this? The keyword here is multipple.
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May 19, 2013
After clicking on below path we are not getting option as should be reflected. Below is the snapshots for the issues.
Access Policies > Access Services > Default Device Admin > Identity
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Jan 16, 2012
I configured before ACS v4.2 to authenticate network devices using internal users at first, and if the user is not found use AD list users. But with v5.3 I have some problems doing this, on identity policies I use rule based result selection option, I configured 2 polices for Identity source, one for Internal Users and other policy for AD user, but it only works with the first policy, internal users or AD, but works only for the first policy identity. how to do that, if the user is not found on first policy, continue to the next policy.
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Jul 3, 2011
I need a specify users to allow access to particular devices and give privilege only for show command or show run. Here is how I tried to configured.
1. Configured two seperate Shell Profile and Command set with privilege level 4-5 and allowing only show run command
2. create seperate service selection rule with adding the require NDG and protocol TACACS and maching service "RestrictAccess"
3. In the RestrictAccess Service I have following configured; Identity: internal users, Group Mapping to a particular group where the user exists, authorization: matching the above created identity group, NDG, shell profile, command sets
All the steps are attached in the .doc file. However when I tried with the particular user he is able to access everything and he is not hitting the correct access rule.
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May 1, 2012
how to associate an AD group - which i have defined in users and identity stores/external identity stores/Active Directory/Directory attributes to associate with the relevant identity groups - Users and identity stores/identity groups Is there an example of this being done somewhere as i am having problems understanding how to do this from the user guide.All i want to do is associate identity groups with ad groups.
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