AAA/Identity/Nac :: ACS 5.2 AD Authentication Restriction Failure?
Aug 24, 2011
I've my ACS linked with AD to give administration access to few network devices and I've created an access policy to link my AD groups with those network devices and command sets.
Unfortunately I found I can use any user from my AD to login to my devices. Only LOGIN, the authorization definition is restricting the command set for those users.
How can I restrict the LOGIN to an specific AD group?
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Sep 26, 2011
We have configured ACS 5.1 for autenticating wireless users with active directory, which is working fine now.But we would like implement that single user should be authenticated through ACS . If any user try to access WLAN from multi system will be notified with multi login access restriction.Can we implement this policy in acs, if possible what are the exact configuration changes we have to implement.
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Nov 22, 2011
we have ACS 4.2 and 2851 router with IOS 15.0(1)M4. There is authentication failure with error no 254. Is there any compatibilty issue with 15.0(1)M4 IOS
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May 14, 2011
Is there a way to configure an email notification for a specific authentication failure? Specifically, I'd like to see if I can have an email notifcation sent to me when failure reason is "13017 Received TACACS+ packet from unknown Network Device or AAA Client".
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Jun 11, 2011
I am trying to create a user restriction to allow one user to access only two networks (10.192.3.0 and 10.192.5.0) I have range of networks but I want to permit only two networks for limited user and full access for the admins. I know this was possible with ACS 3.3 but I am not too sure if this is also applicable with ACS 5.2.
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Jan 1, 2013
I have a following question. I configured different authentication passwords in Master and slave VRRP setup.
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Apr 15, 2013
I'm using the Cisco ANM 5.2 version and I'm trying to import the configurations from ACE modules of Cisco switches. The first step is to import the configuration from Cisco switch and the second one is to import the ACE module in the ANM software. I'm getting an authentication problem to import the configuration from Cisco switch and of course I cannot import the ACE as well. The switches and the ACE are using AAA authentication and I have created a specific username to authenticate and import the configurations in the ANM. If I remove the AAA configurations from the switches and ACE modules it works fine.
Is there some problem with the AAA configurations in the switches or ACE module?
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Oct 24, 2012
I am trying to get CiscoWorks LMS 4.0 to connect to my routers in order to back up configurations, but I am getting SSH authentication failures reported in the router logs (and archiving fails).
The credentials LMS is using is a username and password with priviledge 15: the account is established in TACACS+. I can log into the devices directly with this user account.However, I cannot TFTP from the routers to the LMS either (I get a permission denied message in the router).
LMS did manage to fetch some configs, but 90% of my devices are having this issue.
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Jun 13, 2012
Error: AAA Authentication Failure for UserName:radiususername User Type: WLAN USER
I am using a window radius server. I have added my WLC 4402 as a radius client on my radius server.
I followed the instructions on the MS link : [URL]
I want to use my windows raduis authentication for WLC management login and Web-Auth for guest WLAN user login.
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Dec 26, 2012
I have configured an Asa 5510 as SSL vpn gataway ver 8.2(4) Anyconnect Essential. The clients are authenticated via Radius and OTP password.All work well since yesterday. When I have did same configuration changes. My objective was has that the clients accept the self signed certificate issued by the Asa whitout give the warning about the private cert.
So I have try to generaste a new certificate with FQDN equal to myasa.mydomain.com and also a CN=myasa
Then I have change the profile XML file of my anyconnect in this way: [code]
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Aug 3, 2011
I've set up several local network users (Security > Local Net Users) on the WLC (5508 running 7.0.98.0). Whenever I try to connect with one of these user accounts (I'm testing this out for now), the attempt is unsuccessful and I see an "AAA Authentication Failure for UserName: xxxxxxx User Type: WLAN USER" in the Trap Log. I thought that after trying to authenticate through a RADIUS server, the local user database would be polled and then a user account in that database would be able to authenticate.
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Jul 31, 2012
I have a Cisco Small bussiness RV120w and I setup the radius server , WPA2 Enterprise with a windows 2008 NPS radius server . The big problem is that the authentication fails .This is the error that I see in event viewer / server roles / Network policy and access services: reason-code 49 "The connection attempt did not match any connection request policy".The radius key is matching between the server and the client . The radius server is reachable and I don't find any routing issues .Does anybody tested this router with this type of wireless security?
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May 3, 2012
Just installed 2 E4200v2's for a customer today. Was very optimistic because they worked great in my lab, both for my Win7 laptop a MacBook. And after installing 1 on-site and testing w/ my laptop, it worked fine.BUT problems arose when I installed both at the same time (I don't think I ever did this in the lab) and then I tested some computers. Every computer that I tested (except mine of course), cannot authenticate correctly using the WPA2 password.
For the Mac's they get the error "The wi-fi network... requires a WPA2 password" then after entering the *correct* pswd, it says "Invalid password". They're a Mac shop, but I did try one other Win laptop and that also had a problem, and the error was something like "security mismatch" although I was rushed and didn't write it down.
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Jan 29, 2013
I have been noticing in my trap logs that there are an excessive amount of Client Association/Authentication Failures. I cannot figure out why. I have a Cisco 5508 WLC with 81 AP's (1131ag, 1142abgn, 1262N) models. The wireless devices are on a Windows Domain and use 802.1x EAP authentication, authenticating the user and computer info with a RADIUS Server. I look at the logs and all it can tell me is Reason:Unspecified ReasonCode:1. I read that the Reason Code is due to "Client associated but no longer authorized" but to be honest I am not sure what that means.
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Jul 25, 2012
I have a question about ACS RADIUS authentication with Alteon 3408 L4 Switch.
I configured a ACS 4.2.1(build 15 patch 4) software for windows on Windows Server 2008 Server STD.TACACS authentication with CISCO product was successfully passed.but RADIUS (IETF) authentication with NORTEL 3408 Switch was failed. ACS Authentication Failure Code was a " ACS password invalid "
I read the post that RADIUS VSA is needed in my environment.but i can not search any sample Nortel VSA dictionary configuration. Need Notel specific VSA configuration.
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Sep 14, 2011
i'm trying to re-image an asc se 1113 with a recovery cd but i keep getting a disk error complaining of an invalid destination drive
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Jun 20, 2011
I recently tried to deploy an ACS appliance with version 5.2 installed on it for a customer.
After setting up the WLC to use the ACS as a radius server, and successfully testing connection from the ACS to the AD, I get an error message " 12321 PEAP failed SSL/TLS handshake because the client rejected the ACS local-certificate" anytime a client tries to connect to the network.
This is surprising because I had already generated a certficate for the ACS from a CA and binded the CA signed certificate with the ACS, I also specified the CA in the client machine's wireless properties and checked the "validate certificate" button.
When I tried to connect using the internal identity store, the client was successfully authenticated without any certificate issues.
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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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Nov 22, 2012
I have defined Radius proxy on csg2 to external radius server, but pdp fails with Authorization failure message on GGSN and on Csg2 debut log I see “SAMI 3/3: Nov 23 15:11:43.937: RADIUS: Dropping the unsolicited RADIUS packet”
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Feb 24, 2013
We are running Cisco Secure ACS for Windows version 4.1(1)b23p5 on a Windows 2000 member server. Starting from today, ACS fails to authenticate users. Using the same external user (andrea-meconi) I can verify successfull and failed authentication. This is the AUTH.log for a genericRADIUS request...
AUTH 25/02/2013 15:30:24 I 0396 3900 External DB [NTAuthenDLL.dll]: Starting authentication for user [andrea-meconi]
AUTH 25/02/2013 15:30:24 I 0396 3900 External DB [NTAuthenDLL.dll]: Attempting
[Code].....
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May 21, 2012
I am receiving a RADIUS authentication failure stating user must change password; however, password has been changed in AD and is not requiring change password any longer on the AD side.
Is there a cache on the ACS that needs to be cleared? AD connection from ACS to domain is fine. All other accounts authenticate.
It appears that if a user lets their account expire is when this happens. Account has been reenabled in AD and password has been changed. Still will not authenticate via ACS.
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Feb 2, 2012
We have an ACS 4.2 installation and we have users configured on the user setup, they authenicate using the windows database (AD). We ran failure tests and simulated AD failure but disabling the firewall rule. So the ACS server is up, AD is down. Tested user login to a switch and get the following error. External DB user invalid. It looks like as the ACS does not get a response from AD it rejects the user login.
What we want it to do is in the event of AD failure is to be able to login to the switch with the username configured on the switch. (as if ACS server does not respond)
Date Time Message-Type User-Name Group-Name Caller-ID Network Access Profile Name Authen-Failure-Code Author-Failure-Code Author-Data NAS-Port NAS-IP-Address Filter Information PEAP/EAP-FAST-Clear-Name EAP Type EAP Type Name Reason Access Device Network Device Group 02/03/201214:09:13Authen failedtest.testNetwork192.168.1.1(Default)External DB user invalid or bad password....tty310.0.0.1..........SWITCH30Office
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Jun 12, 2012
I am trying to apply pach 5 to my ACS version 5.3 using FTP but i receive the following errors after issuing the show backup history command. When i use TFTP, i get a message saying that the file is too big, which i understand 164 MB.
after issuing the show repository "repository name", i get the following error.% Error reading directory on remote server.the patch is on one of my hard drives D, how do i specify on the ACS file path which drive to use?I can only place a url but without specifying which drive.
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Apr 8, 2009
The ACS can authenticate people using local database , it can also authenticate a single user (using windows database) if you are fast after the service is restarted , however after a few secounds, it fails to authenticate any users , the error we are seeing on the logs appear as authentication failure type : internal error. Also on the log files, the authentication request from the user does not appear in the correct group, it is thrown into the default group.
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Apr 5, 2012
This weekend we have upgraded the ios on quite a few switches on a larger site, the site is a mix of 2960 and 3560 switches and the previouse ios versions were 12.2.44 on most switches but some had an older 12.2.25.On monday when we came into work we got a call that most of the ports on these switches were an amber color and most people could't use the network.After some investigation we discovered that we had a problem with dot1x so for a quick solution we just removed it from the switches and restarted all the ports with no dot1x enabled,[code]
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Jul 31, 2012
on the dashboard of the "Monitoring & Report Viewer" I see a lot of system alarms related to the database.The explanation of the alarm says to look at the Collector logs for the details.
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Jun 11, 2012
I'm having trouble getting things working on a pair of ASA5510's using Cisco Secure ACS v5.1. We were previously using a much older version of ACS to these (and a lot of other) devices which worked OK for remote access for read/write use. Am in the process of migrating to the new ACS software and have got it working OK to everything (many Cisco switches and other IOS devices) except these ASA5510s.
I can get TACACS authenticating fine and am able to log on and go into enable mode. Any subsequent commands are then met with 'command authorization failure', including 'show run', 'conf t' and even 'exit'!
My ASA5510 config has not changed, other than to define the new AAA server, which leads me to think its something to do with how I have the ACS user profile set up. I have configured the ACS5.1 device administration Shell Profile to have the maximum privilege level (15) and the command set I'm using has the box checked 'permit any command that is not in the table below'.
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Feb 28, 2013
I'm trying to configure an ASA5510 with release 9.1(1) in order to authenticate VPN AnyConnect users through LDAP. In a first step the logs shiw me this kind of error:
[-2147483632] Session Start
[-2147483632] New request Session, context 0xadf415d4, reqType = Authentication
[-2147483632] Fiber started
[Code]......
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Nov 25, 2011
I want to integrate my ACS 5.1 with AD, My request is to check for the machine authentication first. If the machine authentication passes the client username/password should be validated and client should be put in vlan X . If the machine authentication fails, the client username/password should be validated. If the authentication passes the client should be put in vlan Y.
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Feb 2, 2012
In order to restrict access to websites on our internal network, would we be able to put an ASA in front of the web server and force users to authenticate through the ASA and, once authenticated, allow only port 80 or 443 traffic for that use? The ASA would query the ACS 5.1 server for authentication/authorization using AD as the identity store. Is this even possible with TACACS?
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Apr 1, 2012
My customer has a large installed base of MACs, all connected via controller-based (5508) WLAN. He wants to grant access to the network based on the device's mac addresses and move the WLAN-clients to a specific VLAN.I added all devices with their mac addresses to the ACS internal identity store for hosts.According to the following message the client sends the user-login credentials (chegger) within the RADIUS-request instead of the clients mac address and of course it has to fail. After many configuration changes, I ended up always with the same result.
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May 16, 2011
I am having a problem getting an ASA running 8.3 to authenticate an SSL VPN directly against an LDAP on Windows Server 2003. I have changed the read access on the Active Directory to allow Annonymous to read it. I think I am missing something on the ASA config. I have the Server Group specified with the address of the correct server but nothing else really configured.
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