AAA authorization problem
I have the following Setup on my way...
AAA new-model
AAA authentication login default group Ganymede + local
authentication connecting line CONSOLE of AAA.
AAA authorization config-commands
AAA authorization exec default group Ganymede + local
AAA authorization commands 1 default group Ganymede + authenticated if
AAA authorization commands by default 10 group Ganymede + authenticated if
AAA authorization commands 15 default group Ganymede + authenticated if
The problem is that when I log into the switch through the console port and enter these commands in, I instantly "Command authorization failed" on all orders get there. It's mind-boggling because there is no possible way that the switch is in talks with my Cisco ACS. I have not yet put in the radius-server key. I have to restart the box every time. What Miss me?
Thank you for your time. I use IOS Version 12.2 (25) SEB4.
-Andrew
Hello
Before proceeding with the configuration of Ganymede create a local user.
Add the following commands.
username cisco password cisco
AAA new-model
AAA authentication login default group Ganymede + local
AAA authorization commands 1 default group Ganymede + authenticated if
AAA authorization commands 15 default group Ganymede + authenticated if
AAA authorization config-commands
RADIUS-server host x.x.x.x
GANYMEDE-server key...
Please mark me if it helps you
Tags: Cisco Security
Similar Questions
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Hello
I test an aaa authentication switch when it does not communicate to ISE, and I found a strange behaviour. After that I added the aaa accounting and authorization authentication controls and reloaded the switch I was not able to connect to the switch with the GANYMEDE login
The switch continued in cycles showing the banner give 3 times authentication failure message and then the cycle begins with the failed, banner and sign message
I removed the aaa authorization network command and I reloaded the switch and I was able to connect successfully.
could someone help me with this problem.
Hi Nitesh-
This command (... aaa authorization network) has nothing to do with the admin authorization on the n basis (in this case, the switch). This command applies to the network connections such as PPP, SLIP, etc.
In addition, aaa authorization can be performed by Ray and not only GANYMEDE +. RADIUS is not too powerful and you can provide authorization command sets but you can always return roles and different levels of privilege.
Have you tested the above configuration syntax? I did and it works as expected!
Thank you for evaluating useful messages!
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AAA authorization fails, but still command is executed...
Hello world
I've implemented the authorization and he basically works. The user can only use a limited set of commands (show int status, conf t interface ethernet, gigabitethernet interface, interface fastethernet, closed, non-stop).
Now, I'm trying to configure a loopback or interface Vlan, which should not be allowed.
COMMANDS IN ŒUVRE:
AAA authorization config-commands
AAA authorization commands vty 0 group Ganymede + none
AAA authorization commands 1 vty group Ganymede + none
AAA authorization commands 15 vty group Ganymede + noneline vty 0 15
authorization to control vty 0
vty orders 1 authorization
authorization orders 15 vtyCOMMAND AND THE OUTPUT FROM THE TESTS:
SWITCH (config) #int vlan 2
Authorization of command failed.DEBUG AAA APPROVAL:
SWITCH #.
7 Dec 14:31:50: AAA: analyze name = tty1 BID type =-1 ATS = - 1
7 Dec 14:31:50: AAA: name = tty1 flags = 0 x 11 type = 5 shelf = 0 = 0 = 0 = 1 0 = channel port adapter slot
7 Dec 14:31:50: AAA/MEMORY: user create_user (0x46603F4) = "USER1" ruser = 'SWITCH' ds0 = 0 port =
"tty1' rem_addr'10.10.255.249 = 'authen_type = ASCII service = NONE priv = 15 initial_task_id = ' 0', vrf = (id = 0)
7 Dec 14:31:50: tty1 AAA/AUTHOR/CMD (60725991): Port = list "tty1" = "SCA" service = CMD
7 Dec 14:31:50: AAA/AUTHOR/CMD: tty1 user (60725991) = "USER1".
7 Dec 14:31:50: tty1 AAA/AUTHOR/CMD (60725991): send service AV = shell
7 Dec 14:31:50: tty1 AAA/AUTHOR/CMD (60725991): send cmd = interface AV
7 Dec 14:31:50: tty1 AAA/AUTHOR/CMD (60725991): send cmd - arg = AV Vlan
7 Dec 14:31:50: tty1 AAA/AUTHOR/CMD (60725991): send cmd - arg = 2 AV
7 Dec 14:31:50: tty1 AAA/AUTHOR/CMD (60725991): send cmd - arg = AV
7 Dec 14:31:50: tty1 AAA/AUTHOR/CMD (60725991): found the list "SCA".
7 Dec 14:31:50: tty1 AAA/AUTHOR/CMD (60725991): method = Ganymede + (Ganymede +)
7 Dec 14:31:50: AAA/AUTHOR/TAC +: (60725991): user = User1
7 Dec 14:31:50: AAA/AUTHOR/TAC +: (60725991): send service AV = shell
7 Dec 14:31:50: AAA/AUTHOR/TAC +: (60725991): send cmd = interface AV
7 Dec 14:31:50: AAA/AUTHOR/TAC +: (60725991): send cmd - arg = AV Vlan
7 Dec 14:31:50: AAA/AUTHOR/TAC +: (60725991): send cmd - arg = 2 AV
7 Dec 14:31:50: AAA/AUTHOR/TAC +: (60725991): send cmd - arg = AV
7 Dec 14:31:50: AAA/AUTHOR (60725991): permission post = FAIL
7 Dec 14:31:50: AAA/MEMORY: free_user (0x46603F4) user = "USER1" ruser = "SWITCH" port = "tty1" r
em_addr = '10.10.255.249' authen_type = ASCII service = NONE priv = 15
As you can see the answer of the Ganymede is a "FAILURE", but still the command is executed.
RESULT:
SWITCH #sh run int vlan 2
Building configuration...Current configuration: 38 bytes
!
interface Vlan2
no ip address
endQUESTION:
I don't understand what the problem... Since I get a Ganymede Server FAILURE I guess that the configuration of this side is fine.
But why the button ignore a FAILURE, always run the command? Same problem exists with the loopback Interface.
Is it just me not the basic concept of AAA understandig or is it another problem?
The switch is a Cisco WS-C3750-24TS (running c3750-ipbasek9 - mz.122 - 50.SE2.bin).
The Ganymede running Cisco Secure ACS4.2.0.124
Thank you
Tom
Hi Tom,
It's CSCtd49491 : GANYMEDE authorization failed-command for the configuration of the interface.
The bug is currently in a closed state, which means that the "bug report is valid, but a conscious decision accomplished not remedy all or all outputs."
As far as I know, the impact is rather limited, given that the interface that is created has no effect unless the vlan exists, and even in this case, the effect is minimal since it cannot be configured.
You can open a TAC case or work with your account team to get the bug if it is still a matter of concern but has reopened.
HTH
Herbert
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AAA authorization command console
Hello
I don't really understand the need of the command ""console permission aaa "."
In fact we often set up these lines, which I already ar Editions by default VTY, Console, etc... :
AAA authorization exec default group Ganymede + authenticated if
AAA authorization commands 15 default group Ganymede + authenticated if
Am I wrong? Or these lines only apply to the VTY linse?
Thank you in advance
In the IOS default Cisco does not permit on the console. When you configure aaa authorization, it is applied to vty but not to the console. Basically, it's to make it harder for lock you to in the router or switch. If you want permission to apply on the console then you must explicitly configure (and be very very careful that it is configured correctly, or you can wind up being locked out of the router - think especially how it will work when you can't get to the external aaa server that normally makes the authorization).
HTH
Rick
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interpretation of AAA authorization
Hello..
Is this a correct interpretation on aaa authorization?
If I want to allow some commands or a certain privilege I use the following example
AAA authorization command 7 Group Ganymede
No authorization from aaa config-commands
If you want to allow all commands, you must use the following:
AAA authorization config-commands
allow all orders except the configuration commands that we type in the configuration mode:
Router (config) #.
Configure a Terminal command is a command to exec level and should still be allowed in the command define the AAA server.
Even if you are runnning access to level 15 and you turn on command authorizarion using a RADIUS AAA server on this level 15, all the commands you type will be checked at the server level to see if they were authorized or not.
Tariq
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Im trying to configure the authentication of AAA using username privililege password 15 xxxx xxxxx. I would like to make sure he users with the privilege level 15 go straight to activate the mode, and users with level 1 prvilege will go directly to the router > read-only. Currently the conly orders I typed are user name
xxx xxxx privilege 15 password
AAA new-model
Do I need to configure anything else. I tried to put the privilege under int vty level but then all users mode privilege. I want to only use AAA I don't want to set up a server radius or teacs to have3. Thanks in advance.
To use privilege levels, you need to set the authorization and authentication. The following should do the trick for you:
username cisco password 0 privilege 15 glenn
username fred privilege 1 0 password cisco
!
AAA new-model
AAA authentication login default local
AAA authorization exec default local
Now if I connect:
> telnet 10.66.79.100
User access audit
Username: glenn
Password:
Router #sho priv
Current privilege level is 15
Router #q
>
>
> telnet 10.66.79.100
User access audit
User name: fred
Password:
Router > sho priv
Current privilege level is 1
Router > q
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Hi all
Probably, I'll ask a stupid question but I am really confused about the purpose of the "x by default local aaa authorization commands" command. I understand that if this command is configured, it allows each order of this level, but in my experience, this command does nothing. The result is the same whether or not it is configured.
Here is my config part aaa
cisco cisco username privilege 15 secret
AAA new-model
AAA authentication login default local activate
AAA authorization exec default local authenticated by FIS
AAA authorization commands 15 local default authenticated by FIS
Now if I keep the last command or remove, user name "cisco" is able to use each command level 15 so my question is, why would I bother to configure this command?
Would really appreciate your quick response
Concerning
Hi Charlotte,.
According to my understanding of the database of the local user you don't need to have permission from aaa in the network device... If you use any Ganymede + / Radius authentication servers, then it will be more efficient, you can set an attributes to the user profile and through which you can play the config access level users at certain level...
When it is with a local database, to approval based on the level of privileage we set locally on the device and he never looks for aaa... reference local authorization is limited and more that it is limited to sets of levels of privileage on the specific profile...
You can go through the below document mentioned for your apprenticeship on aaa...
http://www.Cisco.com/c/en/us/TD/docs/iOS/12_2/Security/command/reference...
Concerning
Knockaert
-
AAA Authorization % failed.
Even my credentials accepted in the CSA authorization failure, anyone has any idea what it could be?
(Unauthorized use is not permitted)
username: tparrilha
password:
% Failed authorization.
Debug aaa journals
* 2 May 09:48:30.840: AAA/AUTHOR/EXEC (00000026): FAILED authorization
* 2 May 09:48:41.612: AAA/BIND (00000027): link i / f
* 09:48:41.612 2 may: AAA/AUTHENTIC/LOGIN (00000027): choose method list "by default".
* 09:48:45.440 2 may: AAA/AUTHOR (0x27): choose method list 'default' - FAIL
* 2 May 09:48:45.456: AAA/AUTHOR/EXEC (00000027): authorization FAILURE
AAA new-model
!
AAA server Ganymede group + Bainet
Server 172.20.244.10
!
AAA-authentication failure message ^ CCCC sorry the password is wrong ^ C
Group AAA authentication login default local Bainet
Group AAA authentication enable default Bainet allow none
AAA authorization config-commands
default AAA authorization exec Bainet local group
AAA authorization commands 1 default local group of Bainet
Group of controls 2 AAA authorization Bainet local default
Group of default controls 3 AAA authorization local Bainet
Group of 4 AAA authorization local Bainet orders default
Group of controls 5 AAA authorization Bainet local default
Group of 6 AAA authorization local Bainet orders default
Group of controls 7 AAA authorization Bainet local default
Group of orders 8 AAA authorization Bainet local default
Group of 9 AAA authorization local Bainet orders default
Group orders 10 AAA authorization Bainet local default
AAA authorization commands default 11 local group Bainet
AAA authorization commands 12 default local group of Bainet
AAA authorization commands 13 default local group of Bainet
AAA authorization commands by default 14 Bainet local group
AAA authorization commands by default 15 Bainet local group
AAA authorization Bainet configuration default group
AAA accounting send stop-record an authentication failure
failure to exec AAA accounting
action-type market / stop
Group of Bainet
!
default of 0 AAA accounting orders
action-type market / stop
Group of Bainet
!
by default the control 1 AAA accountant
action-type market / stop
Group of Bainet
!
by default the control 2 AAA accounting
action-type market / stop
Group of Bainet
!
by default the control of 3 Accountants of the AAA
action-type market / stop
Group of Bainet
!
by default the control of 4 Accountants of the AAA
action-type market / stop
Group of Bainet
!
by default of 5 Accountants of the AAA commands
action-type market / stop
Group of Bainet
!
by default of 6 AAA accounting orders
action-type market / stop
Group of Bainet
!
by default of 7 AAA accounting orders
action-type market / stop
Group of Bainet
!
by default of 8 AAA accounting orders
action-type market / stop
Group of Bainet
!
default commands 9 accounting AAA
action-type market / stop
Group of Bainet
!
failure to order 10 AAA accounting
action-type market / stop
Group of Bainet
!
by default of 11 AAA accounting orders
action-type market / stop
Group of Bainet
!
by default of orders 12 Accountants of the AAA
action-type market / stop
Group of Bainet
!
by default the control of 13 AAA accounting
action-type market / stop
Group of Bainet
!
by default of 14 AAA accounting orders
action-type market / stop
Group of Bainet
!
by default of 15 AAA accounting orders
action-type market / stop
Group of Bainet
!
by default, the AAA accounting network
action-type market / stop
Group of Bainet
!
default connection accounting AAA
action-type market / stop
Group of Bainet
!
default value of the AAA accounting system
action-type market / stop
Group of Bainet
Ganymede IP source interface FastEthernet0/0.1
RADIUS-server host 192.168.110.1 single-connection
RADIUS-server application made
RADIUS-server key 7 11485807161B4A0E0524282B6972
#show worm
RT-NAMIBE-NEBS version #show
Cisco IOS software, 2800 Software (C2800NM-ADVENTERPRISEK9_IVS_LI-M), Version 12.4 (24) T4, VERSION of the SOFTWARE (fc2)
Technical support: http://www.cisco.com/techsupport
Copyright (c) 1986-2010 by Cisco Systems, Inc.
Last update Fri 03-seven.-10 05:39 by prod_rel_team
ROM: System Bootstrap, Version 12.4 (13r) T, RELEASE SOFTWARE (fc1)
RT-NAMIBE-NBE uptime is of 12 weeks, 5 days, 23 hours, 56 minutes
System to regain the power ROM
System image file is "flash: c2800nm-adventerprisek9_ivs_li - mz.124 - 24.T4.bin".
After the debug message * 2 May 09:48:45.440: AAA/AUTHOR (0x27): choose method list 'default' - FAIL* the control will be passed to GANYMEDE. We are not this newspaper, who didn't understand why it failed in the Ganymede authorization. Looking at your configuration, its clear that you expect then question the user only if password enable priv-lvl = 15 is not currently configured on ACS for the user/group.
Could also remove you single-connection from the below listed command and try again.
RADIUS-server host 192.168.110.1 single-connection
In case it does not work, send the full output of debugs depending on if possible.
Debug aaa authentication
Debug aaa approval
Debug RADIUS authentication
Debug permission Ganymede
Debug events Ganymede
Jatin kone
-Does the rate of useful messages-
-
Just did the Lightroom update to 2015.4 and now I can not launch LR. "Met Lightroom user authorization problems." I hit the repair button continue and I get a message that Adobe is unable to solve the problem, I have to do it manually. I followed the steps to allow permissions for preferences and Adobe and Caches and always LR launch. Help!
Hi Mariej,
If please check the following link and let me know if it helps: Lightroom has encountered problems of the user's permissions. Bridge of Photoshop Lightroom crashes or hangs at the launch
Kind regards
Tanuj
-
Free RADIUS for the AAA authorization
Hello
Is there a Free\OpenSource RADIUS implementation that would work with permission of AAA Cisco and Accoutning features?
I don't know if FreeRadius would be authorized to do?
Thank you------Naman
Try freeRADIUS (www.freeradius.org).
It can manage all of the Cert-oriented Basic for EAP authentication.
Good luck
Scott
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What happens with authorization if a radius server verifies that the authentication breaks down? I have the possibility of premises in authentication, so if I have the possibility of local authorisation, it automatically runs the same account I'm logged in to? I'm afraid that if I let it, I won't be able to get into my router if my radius server is down.
-John
Yes, just as local authentication as a backup, you can have a local authorization as a backup (and it's also a good idea!).
Hope that helps.
-
Design of the AAA authorization
I'm setting up several switches and routers for GANYMEDE with ACS. I have a need to access three levels, groups are the following:
1. normally read only access.
2. the full access except config t.
3. full access.
What would be the best way to achieve this, I see that if I create on GBA Shell command authorization sets, I can set up a group 1 and group 3. But I will be able to group 2? Is there a way to enable all, but explicitly block a single command? As a result of this page: http://www.cisco.com/en/US/products/sw/secursw/ps2086/products_configuration_example09186a00808d9138.shtml leads me to believe that the capacity may exist, but I have no way to confirm for the moment.
Please see the attachment.
After implementing user will be able to do anything except config t.
Kind regards
~ JG
Note useful message
-
AAA authorization and control logging show
Hello guys,.
I am running IOS 15 on some routers and using ACS version 5.3.0.40.5 for authentication and authorization.
I would like to have a group of users to not be able to access the configuration mode but deliver all show commands.
However, the show logging command doesn't seem to work in user mode.
Ideas or workarounds are welcome.
Thanks in advance.
Is your set command looks like him below listed link for read-only access
~ BR
Jatin kone* Does the rate of useful messages *.
-
AAA problem when WAN is offline now
Hi all
I have a problem at the moment by connecting to a router while the Wan is offline. GANYMEDE + works fine when the Wan is in place, but when its down I get invited to a password that I enter and then get authorization failed...
Here is the config of AAA
AAA of default login authentication group Ganymede + activate
AAA authorization config-commands
AAA authorization exec default group Ganymede +.
AAA accounting exec default start-stop Ganymede group.
orders accounting AAA 1 by default start-stop Ganymede group.
orders accounting AAA 15 by default start-stop Ganymede group.
AAA accounting network default start-stop Ganymede group.
Default connection accounting AAA power Ganymede group.
AAA accounting system default start-stop Ganymede group.
Specifying the premises as a backup for authorization method may work around this problem, but no it does not require that the local user IDs and passwords be configured? Because the authentication connection did not use identifiers the as backup, I wonder about the logic to do it for approval. I had good success by configuring the authorization like this:
AAA authorization exec default group Ganymede + authenticated if
which will bypass authorization of transformation if GANYMEDE is not available and the user has been authenticated successfully.
HTH
Rick
-
Problem with shell command authorization
I came across this issue with ACS 3.1 and 3.2 of the ACS
A shell command authorization set is created under the profile shared with the following components:
Unmatched orders: refuse
Permit of unmatched Args: UNCHECKED
The order authorized is 'show' with the Arg "worm permit", "allow the interface" and "allowed to run.
This permission set is then applied to the group, under the option "Assign a Shell command authorization on any device on the network."
Select this group option is set to 'Max privilege for any customer of AAA, level 15.
This configuration is then tested against two IOS switches, with orders from aaa as follows:
AAA new-model
AAA authentication login default group Ganymede + local
the AAA authentication enable default group Ganymede + activate
AAA authorization exec default group Ganymede + local
AAA authorization commands 15 default group Ganymede + local
The problem I have is that when a user who is part of this group connects, it can issue commands such as see the worm, see the race and show int just as I would expect. Any command that does not begin with a show... is denied. However, other show commands that do not appear in the arguments of will work, so that some don't. For example, "show arp" and "vlan" worked, while "show accountants ' and 'buffer' does not. What Miss me?
commands that work without explicitly set them are of privilege more low level 15... for example; "show arp" is a command of Priv-1, so it is execuatbel without permission of command as you do not permission to order for private-1.
Router > sh priv
Current privilege level is 1
Router >
Router >
Router > show arp
Protocol of age (min) address Addr Type Interface equipment
Internet 10.1.5.2 24 0000.abcd.abcd ARPA Ethernet0/0
Internet 10.1.5.3 - 0003.abcd.abcd ARPA Ethernet0/0
Router >
Router >
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