Standard 802.1x EAP

Hello,
I need to set-up a wifi access using 802.1x EAP security, and it seems that option is not available at least in my device. Can I install this standard somehow? Where can I find it?
Thanks a lot.

You are correct. You would need to enable NPS services in one of your servers.
If you are going with NPS then you can use either EAP-TLS or PEAP. TLS will require every device to have a certificate, so if you already have a pki infrastructure that works. PEAP only requires the server to have a certificate.
Personally I would go with PEAP. Everything supports it and you don't have to provision certificates for everything.
Steve
Sent from Cisco Technical Support iPhone App

Similar Messages

Connecting iPads to an Enterprise Wireless 802.1x (EAP-TLS) Network Using Windows Server 2003 IAS

Hi there,
I am asked to deploy iPads on an 802.1x EAP-TLS WiFi network. The customer has a Windows Server 2003 IAS server providing RADIUS. There also is a Windows based CA infrastructure in place. This solution is in production and is already being used by other wireless devices. Could someone please highlight the configuration steps for the iPad deployment? The customer whishes to automate the initial deployment and the renewal of the certificates. I have a basic understanding of 802.1x, RADIUS, Certificates etc. in a Windows infrastructure but I am new to enterprise deployment of iPads. There is no MDM tool in place by the way...
I did find a Microsoft article which I think describes what needs to be done: http://blogs.technet.com/b/pki/archive/2012/02/27/ndes-and-ipads.aspx. This article basically states the following steps:
1. Create a placeholder computer account in Active Directory Domain Services (AD DS)
2. Configure a Service Principal Name (SPN) for the new computer object.
3. Enroll a computer certificate passing the FQDN of the placeholder computer object as a Subject Name, using Web Enrollment Pages or Certificates MMC snap-in directly from the computer (Skip step 4 if you are using the Certificates MMC snap-in)
4. Export the certificate created for the non-domain joined machine and install it.
5. Associate the newly created certificate to the placeholder AD DS domain computer account manually created through Name Mappings
The article then elaborates on specific steps needed for the iPad because it treats all certificates as user certificates. Can someone confirm this behavior??
Regards,
Jeffrey

Use VPP. Select an MDM. Read the google doc below.
IT Resources -- ios & OS X -- This is a fantastic web page. I like the education site over the business site.
View documentation, video tutorials, and web pages to help IT professionals develop and deploy education solutions.
http://www.apple.com/education/resources/information-technology.html
business site is:
http://www.apple.com/lae/ipad/business/resources/
Excellent guide. See announcment post -- https://discussions.apple.com/thread/4256735?tstart=0
https://docs.google.com/document/d/1SMBgyzONxcx6_FswgkW9XYLpA4oCt_2y1uw9ceMZ9F4/ edit?pli=1
good tips for initial deployment:
https://discussions.apple.com/message/18942350#18942350
https://discussions.apple.com/thread/3804209?tstart=0

802.1x EAP-PEAP over Ethernet need help !!!

I am trying to get wired 802.1x EAP-PEAP to work and after spending about 8 hours
troubleshooting this, I am not sure what else to do. Need help. Here
is the scenario:
- Cisco Catalyst 3350 switch running IOS versionc3550-ipservicesk9-mz.122-44.SE6.bin,
- Steelbelted/JUniper Radius Server version 6.1.6 on a windows 2003 server
with IP address of 129.174.2.7. This device is connected to the same switch above.
Firewall is OFF on the server, allow ALL,
- Windows 2003 Enterprise Server supplicant with the latest Service pack and patches. Again,
Firewall is OFF on the server, allow ALL. Juniper has verified the configuration settings
on the Supplicant machine. The supplicant has a static IP address of 129.174.2.15, same subnet
as the radius server, I just want enable EAP-PEAP so that user is forced to authenticate before
the port is activate to be "hot".
- Juniper TAC has verified the configuration on the Steelbelted radius for eap-peap
and that everything is looking fine,
I have verified that the switch can communicate fine with the radius server.
- Configuration on the switch for 802.1x:
aaa new-model
aaa authentication dot1x default group radius
radius-server host 129.174.2.7 auth-port 1812 acct-port 1813 key 123456
interface FastEthernet0/39
description windows 2003 Supplicant
switchport access vlan 401
switchport mode access
dot1x port-control auto
no spanning-tree portfast (does not matter if this is enable or disable)
lab-sw-1#
.May 20 07:52:47.334: dot1x-packet:Received an EAP request packet from EAP for mac 0000.0000.0000
.May 20 07:52:47.338: dot1x-packet:dot1x_mgr_send_eapol :EAP code: 0x1 id: 0x2 length: 0x0005 type: 0x1 data:
.May 20 07:52:47.338: EAPOL pak dump Tx
.May 20 07:52:47.338: EAPOL Version: 0x2 type: 0x0 length: 0x0005
.May 20 07:52:47.338: EAP code: 0x1 id: 0x2 length: 0x0005 type: 0x1
.May 20 07:52:47.338: dot1x-packet:dot1x_txReq: EAPOL packet sent out for the default authenticator
lab-sw-1#
lab-sw-1#sh dot1x interface f0/39
Dot1x Info for FastEthernet0/39
PAE                       = AUTHENTICATOR
PortControl               = AUTO
ControlDirection          = Both
HostMode                  = SINGLE_HOST
Violation Mode            = PROTECT
ReAuthentication          = Disabled
QuietPeriod               = 60
ServerTimeout             = 30
SuppTimeout               = 30
ReAuthPeriod              = 3600 (Locally configured)
ReAuthMax                 = 2
MaxReq                    = 2
TxPeriod                  = 30
RateLimitPeriod           = 0
lab-sw-1#
I am at a complete lost here. don't know what else to do. Someone with expertise in this realm please
help me how to make this work.
Many thanks in advance,

#1: dot1x system-auth-control is already in the switch configuration
#2: Not sure if you're already aware, the minute I entered "dot1x port-control auto", the command "dot1x pae authenticator" automatically appears on the interface configuration
The case is being worked on by Cisco TAC. One of the issues is the windows 2003 server supplicant refuses to work. Windows XP supplicant uses machine-authentication instead of user-authentication. Cisco TAC is looking into this issue.

Cisco ISE for 802.1x (EAP-TLS)

I work for a banking organization and security is an area that needs to be improved continuously. I am planning on implementing Cisco ISE for 802.1x together with a Microsoft PKI for certificate issuing and signing.
I am currently trying to implement this in our test environment and I have managed to do a few basic bootstrapping tasks. I need someone to push me into the right direction as to how I can achieve what i am seeking.
I will use Cisco 2900 series switches on the access layer and a few HP switches as well which supports 802.1x.
I want to configure the ISE to process authentication requests using 802.1x EAP-TLS (Certificate Based). All the workstations on the domain needs to authenticate itself using the certificates issued to it by the Certificate Issuing Authority.
I have already managed to get the PKI working and have rolled out the certificates on all the workstations on the test environment. I can't seem to configure the Authentication portion on the ISE.
I request if someone can guide me or direct me to materials that can help achieve the above requirements. The guides available on the Cisco website are overwhelming and I can't seem to figure out how I am supposed to configure the authentication portion.
My email: [email protected]
Cheers,
Krishil Reddy

Hello Mubashir,
Many timers can be modified as needed in a deployment. Unless you are experiencing a specific problem where adjusting the timer may correct unwanted behavior, it is recommended to leave all timers at their default values except for the 802.1X transmit timer (tx-period).
The tx-period timer defaults to a value of 30 seconds. Leaving this value at 30 seconds provides a default wait of 90 seconds (3 x tx-period) before a switchport will begin the next method of authentication, and begin the MAB process for non-authenticating devices.
Based on numerous deployments, the best-practice recommendation is to set the tx-period value to 10 seconds to provide the optimal time for MAB devices. Setting the value below 10 seconds may result in the port moving to MAC authentication bypass too quickly.
Configure the tx-period timer.
C3750X(config-if-range)#dot1x timeout tx-period 10

802.1x eap-tls machine + user authentication (wired)

Hi everybody,
right now we try to authenticate the machines and users which are plugged to our switches over 802.1X eap-tls. Works just fine with windows.
You plug a windows laptop to a switchport and machine authenticates over eap-tls with computer certificate. Now the user logsin and our RADIUS (Cisco ACS) authenticates the user as well, with the user certificate. After eap-tls user-authentication the RADIUS checks if the workstation on which the user is currently logged in is authenticated as well. If yes = success, if no the switchport will not allow any traffic.
Now we have to implement the same befaviour on our MacBooks Pro. Here the problems start. First of all I installed user and computer certificates issued by our CA (Win 2008 R2). So far so good. Now I have no idea how to implement the same chain of authentication. I was reading countless blogs, discussions, documentations etc. about how to create .mobileconfig profiles. Right now im able to authenticate the machine, and _only_ if I login. As soon as I logout eap-tls stops to work. It seems that loginwindow does not know how to authenticate.
1) how do I tell Mavericks to authenticate with computer certificate while no user is loged in ? already tried profiles with
<key>SetupModes</key>
<array>
    <string>System</string>
    <string>Loginwindow</string>
</array>
<key>PayloadScope</key>
    <string>System</string>
but it does not work
2) How do I tell Mavericks to reauthenticate with user certificate when user logs in ?
Thanks

Unfortunatelly this documents do not describe how to do what I want.
I already have an working 802.1x. But the mac only authenticates when the user is loged in. I have to say that even this does not work like it should. If Im loged in sometimes i need to click on "Connect" under networksettings and sometimes it connects just automatically. Thats really strange.
I set the eapolclient to debugging mode and see following in /var/log/system.log when I logout.
Feb 20 18:39:09 MacBook-Pro.local eapolclient[734]: [eaptls_plugin.c:189] eaptls_start(): failed to find client cert/identity, paramErr (-50)
Feb 20 18:39:09 MacBook-Pro.local eapolclient[734]: en0 EAP-TLS: authentication failed with status 1001
Feb 20 18:39:22 MacBook-Pro.local eapolclient[734]: [eaptls_plugin.c:189] eaptls_start(): failed to find client cert/identity, paramErr (-50)
Feb 20 18:39:22 MacBook-Pro.local eapolclient[734]: en0 EAP-TLS: authentication failed with status 1001
this are only debugging messages I get. Looks to me like eapolclient is not able to find a certificate (?)
The certificates are in my System keychain.
Unfortunatelly apple also changed the loging behaviour of eapolclient, I dont see any eapolclient.*.log under /var/log
Any ideas ?

802.1x EAP-PEAPv0 (MSCHAPV2) with computer authentication

I am a network administrator at seven schools, and a few of these schools are now using 802.1x EAP-PEAPv0 (MSCHAPV2) with computer authentication only, for wireless security.
We are a mixture of 2008 and 2003 (Windows Domain) servers running IAS or NPS for RADIUS.
I push out the wireless client’s setting via group policy, and the clients are using WZC.
Every now and then, a client will be unable to authenticate/validate during the authentication phase.
Some clients this will never happen to and a few it will happen repeatedly.
To fix this I have to hard wire the computer and do a gpupdate, even though the computer already had the updates applied previously, and is still part of the domain.
Many of our classrooms lack network drops, so wireless is the best for us.
Except for this one downfall, it is working great. Any help is appreciated.

Hi Ryan,
Thanks for posting here.
Could you discuss the situation that you mentioned “a client will be unable to authenticate/validate during the authentication phase.
Some clients this will never happen to and a few it will happen repeatedly. ”
in detail ? Can you verify if there is any error or warring that relate with this authentication issue recorded in event log on client and radius server ?
Only certain computers are facing this issue or all?
What’s OS running on these client computers?
According the situation right now , I’d like to share some suggections with you:
1. An 802.1x client may fail to connect to an Radius server if the Trusted Root CA certificate that issued the Radius server certificate is not installed on
the client computer. Either verify that the trusted root authority is installed on the client computer or disable certificate validation on the client. To disable certificate validation, access the properties of the connection, and on the Authentication tab,
click Properties. Click to clear the Validate server certificate check box. EAP-TLS requires the installation of a computer certificate on each RADIUS server and a computer or user certificate, or smart card on all clients. PEAP-MS-CHAPv2 requires the installation
of a computer certificate on each RADIUS server and the root CA certificates of the issuing CAs of the RADIUS server certificate on each of the client computers.
2. Verify that Radius is configured for the logging of rejected authentication attempts to the event log. Try the connection again, and then check the system
event log for an IAS event for the failed connection attempt. Use the information in the log to determine the reason the connection attempt was either rejected or discarded. Logging options are configured on the General tab of the Radius server Properties
dialog.
3. Any rejected or discarded connection attempt recorded should identify the Connection Request Policy used. A RADIUS request message is processed only if the
settings of the incoming RADIUS request message match at least one of the connection request policies. Examine the conditions of the policy identified to see where the request fails.
4. Determine from the IAS system event log entries whether the authentication failure is for computer auth, user auth, or both. By default, Windows performs
an 802.1x authentication with computer credentials before displaying the Windows logon screen. Another authentication with user credentials is performed after the user has logged on, and if this fails the machine will be disconnected from the network. Similarly,
if computer authentication fails but user auth is successful, symptoms will include failure to process login scripts or apply group policies and machine password expiration will not be updated since the user will only be able to logon with cached credentials.
If you use a smart card for authentication, you can only perform user authentication because smart card usage requires manual entry of a personal identification number (PIN). There is no way to provide the PIN to unlock the smart card certificate during computer
authentication.
5. Examine the wireless trace logs captured and search for keywords error, failed, failure, or rejected. This should give an indication as to what point in the
authentication process the failure occurs.
Meanwhile, I ‘d like suggest you may start troubleshooting with following the guides below and see if it will help:
Windows Server 2003 Wireless Troubleshooting
http://technet.microsoft.com/en-us/library/cc773359(WS.10).aspx
Troubleshooting Windows Vista 802.11 Wireless Connections
http://technet.microsoft.com/en-us/library/cc766215(WS.10).aspx
Thanks.
Tiger Li
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Random computers running Windows XP have this problem. It does not happen to all of them at once.
It is very random. A computer that has been connecting to the secure network for weeks will all of a sudden not be able to connect. The message is “attempting to authenticate” and it never makes the connection.
I checked if logging is turned on and I can see successful events from computers that are working.
I can also see failed events from computers that are not ours that tried to connect to our wireless.
However for the computers that are having this problem there are no logged events.
It is as if they don’t even communicate with the server.
Other clients on the same AP are working fine. I rebooted the IAS service, and RADIUS clients, but this did not help.
I also checked all the settings and they are correct, using PEAP, and validating the server certificate is disabled.
I did notice that the firewall is also turned on through group policy when the domain is not available.
Do you think the firewall is blocking the communication?
I added an exception to port 1812 UDP and this did not make a difference.

802.1x/EAP clarification and implementation

Dear SIr,
To setup LEAP authentication using ACS, the client needs a supplicant such as the ACU to run LEAP independent of OS.
Cisco AP will be the carrier of the EAP message between the client and the Radius server sitting between the client and the server. I know from the fact that Cisco AP support LEAP, PEAP, EAP-TLS, EAP-MD5 and EAP-SIM. From my understanding, those types of EAP mentioned earlier can be relay to the Radius server(ACS), am I right?
Does it mean that these messages are transparent from the AP point of view? If I replace the Cisco AP with other third party access point that they claim support 802.1x/EAP but they never specify the type of EAP protocol, can I still run LEAP with a third party AP though my client is Cisco and the Radius server is CSACS?
What type of OS or supplicant support EPA-MD5? I know that Windows XP and 2000 support 802.1x driver, what about their EAP protocol supported on XP and 2000?
Thanks.
Delon

I think the following document will clear most of your doubts,
http://www.cisco.com/en/US/products/hw/wireless/ps430/products_tech_note09186a008019fea2.shtml

802.1x EAP-TLS for wired users with ACS 5.5

Hi All,
We are configuring a new setup for wired users authentication with 802.1x(EAP-TLS). ACS 5.5 we are using as authentication server.
We have added the root CA(internal) certificate and certifcate for ACS signed by CA. Now We want to check the authentication is working or not . I hope both root CA and identity certifcate also we need to install in the laptops. But I am not sure how to download the certifcates for client machine manually from CA.
Kindly suggest on how to get certificates for clients both manually as well as automatically?
Thanks,
Vijay

Hi Vijay,
for the Wired 802.1x (EAP-TLS) you need to have following certificates:
On ACS--- Root CA, Intermediate CA, Server Certificate
On Client-- Root CA, Intermediate CA, User certificate(In case of user authentication) OR Machine certificae(In case of Machine authentication)
I am not sure which third party certificate are you using, If its in house Microsoft or any other certificate server then you need download the client certificate from the server itself.
In case of Microsoft, There will be a template for user certificate. You can select it and create user certificate
This one is an old document, But has steps to configure Machine certificate for the user, You can see the steps to download user certificate if its Microsoft server:
http://www.cisco.com/c/en/us/support/docs/security/secure-access-control-server-windows/43722-acs-eap.html#wc-2
In case You are using the third party certificate serevr , Then you need to check with them on how to download the user certificate
Cheers
Minakshi(rate the helpful post)

802.1x EAP-TLS with Cisco IP-Phone on MS NPS

Hi,
does anybody get 802.1x - EAP-TLS with IP-Phones ( e.g. 7962G ) on Microsoft NPS up and running?
With ACS it is not a problem at all.
thx
Sebastian

Hi all !
Have you solved this problem (LSC certificate )? I am facing the same problem and I did not find the solution yet.
This is the last e-mail that Microsoft TAC has sent to the customer:
====================================================================================
As per the discussion, we need to engage Vendor on the case to find out why the CRL Distribution Point (CDP) and AIA paths are missing from the certificate. Ideally CDP contains that Revocation List of the certificates and AIA is used for building the certificate chain.
"Please find below some more information about the same from Microsoft TechNet Article :
CRL Distribution Points : This extension contains one or more URLs where the issuing CA’s base certificate revocation list (CRL) is published. If revocation checking is enabled, an application will use the URL to retrieve an updated version of the CRL. URLs can use HTTP, LDAP or File.
Authority Information Access : This extension contains one or more URLs where the issuing CA’s certificate is published. An application uses the URL when building a certificate chain to retrieve the CA certificate if it does not exist in the application’s certificate cache."
=====================================================================================
Tks for your help !!!!!!!
Luis

802.1x EAP-PEAP - Radius Question

We're going to be deploying a wireless solution to a customer at some point shortly. So far we have a WLC 2500 Series,
1140 LAPs, and a 2960-S switch. We're going to have Windows 7, iPhone, iPAD devices, and I was going to implement
802.1x EAP-PEAP. I'm going to need a RADIUS server, but I was just wondering is there a cheaper solution than just
getting a Cisco ACS to run a simple RADIUS server which is all I need.
Also, when the Supplicant sends its NAI in a EAP-ResponseIdentity message, what exactly is this username
and how does it differ from the username you provide after the secure TLS tunnel has been configured.

Hey John,
Yes, in fact its all about feeling comfortable. So here is a video showing LOCAL PEAP on a WLC.
http://www.youtube.com/watch?v=YIxG4OEfwtY
The 2000 is becuase there is a database limit this includes MACS, LOCAL ACCOUNTS and AP MACs for AP policy. The mac is 2048 .. Here I blogged about this ..
http://www.my80211.com/cisco-wlc-cli-commands/2009/12/27/configure-local-mac-authentication-on-cisco-wlcs.html
So yes it sounds right and you should be good.
Hope this makes you feel a little bit better with your direction. If this helps can you mark the question as answered ?
Thanks John!
"Satisfaction does not come from knowing the solution, it comes from knowing why." - Rosalind Franklin
‎"I'm in a serious relationship with my Wi-Fi. You could say we have a connection."

802.1x/EAP-TLS Fragmentation across VPN tunnel

I am having an issue authenticating users via 802.1x/EAP-TLS across an IPSec tunnel. I am using route-based VPN with SVTI configuration on a 2921 and 1941. I have the following settings defined:
- Under the tunnel interfaces:
- MTU 1390
- MSS 1350
- PMTUD
- Under the ingress LAN interface
- route-map to set the DNF bit to 0
- On the RADIUS Server (2008 NPS)
- Framed-MTU: 1300
This had been working for months until I got a call last week about users not being able to authenticate to our secured SSID. I fired up wireshark and also used my client monitor tool in my wireless NMS to watch what is going on. I see all of the access-request and access-challenge exchanges, but the final exchange never happens. In both captures you can see messages with id's 77-81, but message id 82 isn't shown in the wireshark capture, only fragments are. In the client monitor capture you can see that message id 82 is 1726 bytes in length. Now, if I capture packets on my local LAN, the 1726 byte packet is properly fragmented and users can authenticate just fine.
What am I missing with this?? I have scoured the Internet trying to find a setting that I must have missed, but I can't. I've tried adjusting the Framed-MTU, all the way down to 1100.
Thanks for you help.

I figured I would post back with my results. I ended up removing my mtu value from the tunnel interfaces and then fired up wireshark again. This time I found a crap load of ICMP time-exceeded messages which told me that PMTUD is not working properly across the tunnel. From there I simply re-applied my previous MTU numbers back into the tunnel configs and all of the sudden EAP-TLS started flowing fine. I do not know why removing and re-applying the MTU would make things start working again so I assume that I'll be dealing with this again sometime in the future.

Android ASUS tab into 802.1X EAP/PEAP wireless network

Hi Guys,
I have been fighting with this for awhile now, i decided to call the exeprt. At work with have a 802.1x EAP wirless network. PCs and Blackberies work fine once they grab their cert. However, things aren't that esay with the Android tablets. I have been testing with an ASUS, i have both cert(CA, and user) into the /etc/security folder of the tablet. But tablet still unable to authenticate, i don't even receive any logs in the Radius SERVER.
Any tricks or ideas will be very appreciate.
Thanks,
GV

Jean,
When you say your using PEAP, that means you only need a certificate on the radius server and not the client device. What radius server are you using and are you setup for PEAP or EAP-TLS?

Wireless WPA2-Enterprise + 802.1x (EAP-PEAP/MSCHAPv2) config

Hello,
We're in the process of moving all of our wireless from WPA-PSK to WPA2-Enterprise with 802.1x EAP-MSCHAPv2 (PEAP). All workstations are Windows 7 with the 2SP3 IR2 client. What we'd like is for the 802.1x SSO functionality to work so users do not have to sign in computer only first and then use the novell login after connecting. I've followed the documentation for enabling 802.1x that Novell provides with no success. I'm hoping someone has done this or can point me in the direction of documentation that can use to better understand what configuration is needed to make this work.

Originally Posted by djaquays
I haven't had a chance to play with this yet on IR8, but I'd be curious of your steps to get this working.
I'm not sure why FreeRadius would make any difference vs ClearPass.. they both speak RADIUS.
This is the only documentation I can find from Novell: https://www.novell.com/documentation...a/b8jn9w6.html
It's a couple of years since I did this so my memory is a bit vague... :(
Did you install the peap plugin on the workstation, if I remeber correctly this was needed?
http://support.arubanetworks.com/TOO...4/Default.aspx
Thomas

WLAN Access via 802.1x/EAP-FAST ACS & Windows DB

Hi,
Does anyone have any useful links about how to configure ACS server to use windows UN/PW for wireless client logins via 802.1x & Eap-fast?
I can't seem to find a defined example for the ACS to Window DB install?
Can anyone help?
Ta
James

Check out whether the following links are useful to you.
http://www.cisco.com/en/US/products/sw/secursw/ps2086/products_configuration_example09186a00804b9d57.shtml#set-acs
http://www.cisco.com/en/US/products/hw/wireless/ps430/products_qanda_item09186a00802030dc.shtml

802.1x/EAP state logging or debug for 15" MBP OS 10.4.7

Is there any way to discover where the Mac thinks it is in the 802.1x/EAP cycle?
I've looked at tcpdumps which show EAP packets, but this is not EAP state.
There are "eapolclient[728]: eapttls_request: unexpected Ack frame" entries in System.log when the client roams from 1 access point to another. 802.11 roaming happens, but not EAP roaming, so no connectivity.
All Software Updates are done.
Thanks
PPC or Intel Macs Mac OS X (10.4.7)
PPC or Intel Macs Mac OS X (10.4.7)

There is some EAPol debugging that can be turned on:
1) sudo mkdir /var/log/eapolclient
2) /bin/sh
3) NSDebugEnabled=YES /Applications/Internet\ Connect.app/Contents/MacOS/Internet\ Connect
4) Attempt to connect using your 802.1X configuration from Internet Connect.
5) Debugging information is found in a file in /var/log/eapolclient, and in /var/log/system.log
The logging in system.log is in 10ths/second, while EAPol debug has ~ 8 more digits, so it can be difficult to correlate the 2.
PPC or Intel Macs Mac OS X (10.4.7)

Standard 802.1x EAP

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