Cisco ISE NAC Agent RDP session

Is there a way to get the NAC Agent to run when a user logs on a Windows machine in a RDP session?

You have to go and check the dACL that is part of authorization profile, you will find that it is blocking your RDP access as when you do a remote desktop your authentication token is host/machine-name.domain. Now, the easiest FIX to permit RDP traffic is to modify the dACL but this won't solve your problem. Why? Because now your dACL will allow you do a remote desktop now BUT it will block rest of your communication.
So either you permit all as soon as your machine is authenticated or you will continue to face this issue.

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Cisco ISE & NAC Agent in a Vmware View VDI Environment

Hi,
Anyone deployed Cisco ISE NAC agent on a vmware view virtual desktop environment (VDI)?

There are no known issues regarding VMWare view that would cause this.
For AV see -> http://www.novell.com/support/kb/doc.php?id=7007545
I find ProcMon for Sysinternals useful to see if other prcesses such as
AV are hitting those files unexpectedly. A few times I have seen AV
Exclusions not quite working as expected until tweaked.
The ZMD-Messages.log may show if the agent is doing something....
On 9/30/2014 9:36 PM, harrymsg wrote:
>
> We have been running 11.2.4 in our View VDI environment and overall been
> very successful. We just rolled Win 7 and are seeing approx. 10% of the
> VMs with the zenworkswindowsservice.exe running steadily around 50% for
> hours. Any thoughts? One thing I just set to try was excluding that
> from Microsoft FEP AV. Anything other thoughts to resolve? Thanks.
>
>
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Novell Technical Support Engineer
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Cisco ISE NAC agent and Microsoft roaming profiles

Hi there,
I have installed Identity services engine version 1.1.3 in didstributed mode. The NAC agent is installed on the end user PC joined to the domain. when a user with a roaming profile logs into the PC, the NAC agent fails to run posture assesment, but if a user with non-roaming profile logs in, the NAC agent does posture and full network access is granted.
Is there something i need to do to enable the NAC agent to perform posture for users with a roaming profile.
Regards,
Henry

Hello,
I found the following from the cicso doc. Hope it helps!
The following failure scenarios might cause the Cisco NAC Agent to appear following successful user authentication when the client machine roams between CASs in Layer 3 (both In-Band and Out-of-Band) and Layer 2 /Layer 3 Out-of-Band environments. Erroneous Agent login dialogs could also appear if users roam from the Cisco NAC Appliance network in Layer 3 mode to a non-NAC network:
–ARP poisoning
–Temporary loss of network connection between the client machine and the CAS
–Access to untrusted interface IP address on the CAS from non-NAC network segments on NAC-enabled client machines
Cisco offers the following recommendations to prevent this situation:
–Ensure all trusted networks (post-authentication) can reach the CAS untrusted interface IP address through the CAS trusted interface only
–Block discovery packets from all non-NAC networks to the CAS untrusted interface IP address (discovery packets that arrive on the trusted interface of the CAS are blocked by default)
For more information please refer to the following link:
http://www.cisco.com/en/US/docs/security/nac/appliance/configuration_guide/48/cam/m_agntd.html

MAC OS X unable to download Cisco ISE supplicant agent

Hi,
I have a problem with MAC OS X clients unable to download the Cisco ISE supplicant agent using Safari browser but able to login on the ISE guest portal. If the same client was to login to the ISE guest portal using Firefox; it has no issues downloading the ise supplicant and posture agent.
I have tried to update the Java version on the client to the latest; however it does not resolve the issue. As I am new to MAC OS clients; I was wondering what may be the cause of the issue?
I have summarized the issue as follows:
1. MAC OS X 10.8 with safari 6 -- unable to download agent but can login successfully on the Cisco ISE guest portal
2. MAC OS X 10.8 with Firefox -- able to login to Cisco ISE guest portal and download agents; no issues
3. MAC OS X 10.7 with safari and firefox --- unable to download agent but can login successfully on the Cisco ISE guest portal
4. Windows XP & Windows 7 & Iphone/Ipad/Android -- able to login/download agent without any issues
Any suggestions is appreciated.
Thanks.

For Agent Download Issues on Client Machine
• Ensure that a client provisioning policy exists in Cisco ISE. If yes, verify the
policy identity group, conditions, and type of agent(s) defined in the policy.
(Also ensure whether or not there is any agent profile configured under Policy >
Policy Elements > Results > Client Provisioning > Resources > Add > ISE
Posture Agent Profile, even a profile with all default values.)
• Try reauthenticating the client machine by bouncing the port on the access
switch.
Remember that the client provisioning agent installer download requires the following:
• The user must allow the ActiveX installer in the browser session the first time an agent is installed
on the client machine. (The client provisioning download page prompts for this.)
• The client machine must have Internet access.
Client Machine Operating Systems and Agent Support in Cisco ISE
Check the following link
http://www.cisco.com/en/US/docs/security/ise/1.1.1/compatibility/ise_sdt.html#wp95449

Redondance de cisco ise: l'agent nac ne s'affiche pas

Bonjour,
J'implemente actuellement la solution cisco ISE avec 4 serveurs deux Admin/Monitor nodes et deux Policy Nodes. Lorsque je déconnecte le Policy node principal, l'agent NAC ne s'affiche plus à la connexion d'un utilisateur. j'ai configuré la redondance des serveurs Radius sur mes Switch d'accès (
radius-server retry method reorder). dans l'host discovery de l'Agent NAC, il est mis les deux policy nodes séparés par un point virgule (svr-politc-ise01.xxx.ci; svr-polidr-ise01.xxx.ci). Pouvez-vous m'aider?
Hello,
I currently implements the solution Cisco ISE with 4 servers, two Admin / Monitor Nodes and two Policy nodes. When I disconnect the main Policy node NAC Agent is no longer displayed. I configured the RADIUS server redundancy on my Access Switch (radius-server retry method reorder). in the host discovery of the NAC Agent, it is both set policy nodes separated by a semicolon (politc-svr-ise01.xxx.ci; polidr-svr-ise01.xxx.ci). Can you help me?

Hi.
I too have the same behaviour. After selecting values for the fields presented, except for the Products for Selected Vendor, I click on the "Save" button and I am asked to select a Product; though product is displayed.
What have I missed in the exercise?
I have run a POSTURE update too.

ISE nac Agent automatic upgrade possible ?

Hello all,
I have this :
802.1x windows with NacAgent version (let's say 1) <----> 802.1x Enabled Switch (aaa radius OK) <------> ISE and AD on the same LAN
ISE is configured for client provisionning with material (NacAgent version 2) downloaded from Cisco website (as depicted in the documentation)
I've a basic authentication and authorization scheme that let me in properly but I expect the NACAgent to be upgraded.
No profiling is configured for the time being.
Is anybody can help ?
Best regards ?

Hi Tarik,
Your are right regarding that option "upgrade is mandatory"
However, my case was that you do need to enter the ISE's FQDN on the NAC Client and make sure that DNS operates properly.
Once authenticated, the NAC agent shows an upgrade message.
It works.
Thank you all.

ISE - NAC agent profile

Dears
I want to deploy NAC agent via GPO and I need to create agent profile , I know how to create it on ISE but how i get the file in xml format to be distributed ?

You can try installing only one PC (either by manual installation or by captive portal). If you have configured the posture rules in ISE then the NAC Agent automatically contacts the ISE server and downloads the last NACAgentcfg.xml available.
Then you could browse the following directory and find the NACAgentcfg.xml file in your PC.
C:\Program Files (x86)\Cisco\Cisco NAC Agent
After that you can mass deploy the NAC agent along with the xml file. Although is not mandatory to deploy the xml file because as a I said, every time there's a posture rule the NAC agent will download the last NACAgentcfg.xml available from ISE server.
Please rate if it helps.

ISE nac agent provisioning question

I have downloaded the nac agents and compliancy modules to the ISE, and configured the client provisioning rules. The user guide doesn't really explain the next steps very good.
I guess because User Identity Groups are used in the policy, the provisioning is used with webauth, is that correct?

Jeppe,
The client provisioning is done with any authentication method. Either via dot1x or webauth, it is the authorization policy that starts this process. You redirect your clients the client provisioning portal using the authorization policy. Then you determine which agent (web agent, nac agent, or no agent) via the client provisioning policy.
Hope that helps,
Tarik Admani
*Please rate helpful posts*

NAC Agent Login Dialog Not Appearing - ISE 1.1.1 issue ?

Agent Fails to Initiate Posture Assessment
The NAC agent is properly installed on a Windoes 7 , IE 9 machine, the certificates from ISE ADM PRI are installed in trustable certificate store in the client machine but is a selfsigned ISE certificate.
The reports / USER / Profiling report says the Provisioning Agent has completed the assessment ok.
The redirected URL is working fine (SEE Evidence)
We are always prompted to install the NAC agent again or looking at the additional prompted information wait for the NAC agent to load and complete.
The operations status remains with postering status pending forever and nothing else happens.
Symptoms or Issue
The agent login dialog box does not appear to the user following client provisioning.
Conditions Cisco Says this issue can generally take place during the posture assessment phase of any user
authentication session.
Cisco Advises as Possible Causes There are multiple possible causes for this type of issue. See the following
Resolution descriptions for details of what was already tested by us and please see the atached files for your switch configuration and evidences. .
CISCO SUGGESTED POSSIBLE CAUSES AND RESOLUTIONS
Resolution • Ensure that the agent is running on the client machine. ALL TESTED OK
• Ensure that the Cisco IOS release on the switch is equal to or more recent than
Cisco IOS Release 12.2.(53)SE. - OK
• Ensure that the discovery host address on the Cisco NAC agent or Mac OS X
agent is pointing to the Cisco ISE FQDN. (Right-click on the NAC agent icon,
choose Properties, and check the discovery host.) - OK (See evidence)
• Ensure that the access switch allows Swiss communication between Cisco ISE
and the end client machine. Limited access ACL applied for the session should
allow Swiss ports: ALL CONFIGURED as CISCO GUIDELINES OK (SEE EVIDENCE)
• If the agent login dialog still does not appear, it could be a certificate issue.
Ensure that the certificate that is used for Swiss communication on the end client
is in the Cisco ISE certificate trusted list. (ALL CHECKED OK SEE EVIDENCE)
• Ensure that the default gateway is reachable from the client machine. (TESTED OK)

Hi.
Can you paste all the ACLs on your switch especially the webauth redirect ACL which should deny traffic towards the PSN.
regards
Zubair

After install NAC agent I must remove cable before open windows session normaly

Hi
I use ISE 1.1 and NAC agent 4.9
I have configure my catalyst 2960 port with dot1x and install NAC agent on many computer
But I observed that I am unable to open windows session on some computer (windows 7)
When I enter login and password, then I got black screen and nothing else, then if I remove the network cable on my computer, the black screen change and move to the windows desktop normaly
Why do I need to remove network cable before get to my desktop normaly ?
Please How can I fixed this issue ?
Thanks in advance for your help

Hi
The given link might be helpful regarding your issue:
http://www.cisco.com/en/US/netsol/ns466/index.html
http://www.cisco.com/en/US/prod/collateral/vpndevc/ps5707/ps8418/ps6128/product_data_sheet0900aecd802da1b5.html

ISE and NAC Agent

Hello, we currently run NAC for our wired (OOB), wireless (IB) and VPN (IB) enviroments. We are looking at migrating over to ISE for our wireless enviroment as a first step, with follow-up projects to move the VPN and wired clients over. I have been reading that ISE will still use the NAC agent. Our current NAC enviroment is at 4.7.2 and we are running the 4.7.2.10 agent. We do not want to upgrade this enviroment, we would rather focus on migrating to ISE. So our thought was to upgrade the clients to the latest NAC agent version 4.9.1.5. This agent is supported against the 4.7.2 NAC Manager. The problem is, I do not see this agent version listed as supported in the ISE compatibility matrix. Instead, they list a NAC agent of 4.9.0.37, which ironically, is NOT listed in the NAC compatiblity matrix. So what version of NAC agent should we run in a mixed enviroment? I am hoping 4.9.1.5 is supported against ISE, and the matrix is simply not updated yet. Thank you in advance for your help.

Not sure I understand. The 4.9.1.5 NAC agent does run against our CAM, as we have tested that and it is listed in the support matrix. So if we upgrade our NAC applainces, we would still run that agent. Does that agent tun against ISE, and if not, what is Cisco's recommendation to bring ISE into the enviroment? We have to have a migration path, and wireless seemed like a logical first step. But we need a NAC agent that will work against Clean Access AND ISE as our laptops will be wireless and wired at different times. Which Agent would be recommended?

NAC Agent is not responding to ISE

Hi All,
Cisco NAC Agent got downloaded to the client during client provisioning. After that also Posture status is showing as 'Not applicable'.
Also Redirection is only happening if i type any ip address ex.1.1.1.1 on the browser. if i type google.com, its not redirecting.
ISE is in Cluster mode 1 Admin, 1 Monitor, 1 PSN. Version 1.2.1.198.
Note: Before the upgrade it was showing 'Posture Pending' status.

what is the NAC version?
could be a bug CSCuq52821

CPP - NAC agent upgrade issue - NAC to ISE migration

Hi,
I am currently working on a project to migraate NAC to ISE. Existing version of NACagent running on client macine is 4.8.2.1. CPP is pushing upgarde to required version 4.9.4.3. I can't locate upgrade matrix for this version. Could anyone guide me on this?

You can directly download the nac agent 4.9.4.3 from the below download link
http://software.cisco.com/download/release.html?mdfid=283801620&softwareid=283802505&release=1.2&flowid=26081

Is it possible to run Posture using ISE 1.2 without NAC Agent provisioning?

Is it possible to run Posture using ISE 1.2 without NAC Agent provisioning?
-My customer does not want to push NAC Agent installation on BYOD type of computers (non-managed by the company computers).
-The requirement is to check for posture only company owned wired, wireless, and VPN connected Windows computers. The rest of the endpoints should be considered as posture incompliant, and limited access to the network should be allowed.
-No certificates are used.
-I’ve configured the required posture check, and it all works fine if a PC has NAC Agent manually installed (without ISE Client Provisioning). However, when I use a PC without NAC Agent, it is redirected to Client Provisioning Portal and is stuck there as Client Provisioning is deliberately not configured in ISE.
-If I remove Posture Remediation Authorization Profile that does URL redirect, the posture does not work.
-For now I'm testing it on wired endpoints.
Is there a way to configure ISE to fulfill the listed above requirements?
Any ideas would be appreciated.
Thanks,
Val Rodionov

Everyone who finds reads this article,
I'm answering my own quesiton "Is it possible to run Posture using ISE 1.2 without NAC Agent provisioning?"
The answer is Yes.
After doing research and configuration testing I came up with a solution, and it works fine for wired and VPN connections. I expect it to work on wireless endpoints as well.
ISE configuration:
Posture General Settings - Default Posture Status = NonCompliant
Client Provisioning Policy - no rules defined
Posture Policy - configured per requirements
Client Provisioning (under Administration > Settings) - Enable Provisioning = Enable (it was disabled in my first test)
Authorization Policies configured as regular posture policies
The result:
After successful dot1x authentication posture redirect happens. If the PC does not have NAC Agent preinstalled, the browser is redirected to Client Provisioning Portal and a default ISE message is displayed (ISE is not able to apply and access policy... wait one minute and try to connect again...). At the same time, the endpoint is assigned NonCompliant posture status and proper authorization policy is applied. This is what I wanted to achieve.
If NAC Agent was preinstalled on the PC, after successful dot1x authentication the NAC Agent pops up and performs posture check. If posture is successful, posture compliant authorization policy is applied. If posture check fails, NonCompliant posture status is assigned and posture non-compliant authorization policy is applied. Which is the expected and needed result.
The only part that is not perfect it the message displayed to the end-user when posture is about to fail. I did not find a place to change the text of that message. I might need to open TAC case, so this file can be manually found and edited from CLI (root access).
Best,
Val Rodionov

Cisco NAC Agent 4.9.1.682 Problems with Mac Os X 10.7.4

Hi
My Cisco NAC Agent (version 4.9.1.682) doesn't work since I upgraded my Mac OS X 4 months ago, This happens every time with CISCO and MAC when there is a new update and it always seems to take forever to fix.
The NAC agent just keeps asking for my login in details even though there are correct (I can log in with a PC no problem).
Any update on when a new version is going to be released - Its getting really frustrating?

I figured out a solution that works you must disable Online Certificate Status Protocol (OCSP) on the affected system. To do this :
    Open Keychain Access. Keychain Access can be found by selecting Go in the Finder and choosing the Utilities option. Keychain access should be listed in the folder that appears. Double-click the Keychain Access icon to open it.
    Select Keychain Access -> Preferences from the menu at the top of the screen
    Choose the Certificates tab
    Change the OCSP option from Best Effort to Off
    Close the Preferences dialog and quit Keychain Access
    You should be able to NAC now

Cisco ISE NAC Agent RDP session

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