level of privilege with ACS
I am trying to set up a group of users for read only access on our equipment (routers and switches) and specifically display run or show beginning. I put the set command to allow these 2 commands and I created a rule for this group, but it does not work as you wish.
any ideas? Thank you.
There are two ways that you can accomplish what you want to do. What you need to remember, is that when showing the running-config, you can see what you have permission to configure so just of allowing it to user RO run the show run command won't show them much.
One thing you could do is to lower the level of privilege required to run the command "view configuration". The command is 'privilege exec level 1 see the configuration' and must be applied to all your devices. This would allow privileges users of level 1 display the startup-config, but not the running-config.
Since you run ACS another solution would be to create a rule to allow these RO users to connect and actually allow to level 15, which, by default, allows to configure everything (remember to be able to see in the running-config you must have permission to configure). Then create a set of limit orders that only allows the commands they need to use.
Hope this helps,
Greg
Tags: Cisco Security
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The problem is that when I assign a Shell profile with privilege level 7 min/max to the rule and the user logs on with this level, they are unable to see the commands that I welcomed in the Set command. Is it possible to have the ACS to say IOS to automatically change the visible commands to a specific privilege level when the user connects, even if they are not at this level of privilege?
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Because you're using command authorization and restrict the user to some orders, why do we use privilege 7 and not 15?
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Hello
Please delete privilege on the ACS level settings.
Elements of strategy > authorization and permissions > peripheral Administration > Shell profiles > common tasks
By default the privilege - do not use.
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Hi all
I use a router cisco 871 running that version 12.4 (11) T advanced IP Services.
I have difficulty getting permission to AAA to work properly with ACS.
I am able to configure ACS fine users and assign them shell and private level 7.
I then install a set of Shell Auth and enter the issuance of orders and configure.
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If I type con? It is the only command connect, configure is never an option...
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It's frustrating
The ACS server is set up with the Shell Set named Level_7 order authorization
It is attributed to the relevant groups and I have the 'Unmatched orders' option selected in the 'license '.
The "unmatched Args allowed" is also selected.
See an extract of my IOS config below:
AAA new-model
!
!
AAA group Ganymede Server + ACS
Server 10.90.0.11
!
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AAA authorization exec default group ACS
AAA authorization commands 7 by default local ACS group
!
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!
!
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!
Hope you can help me with this one...
PS I tried with orders of privilege on the router and remove the router and just keep getting the same results!
Hello
So now,
You're actually using two different options and trying to couple then together. What I would say is you either use authorization Command Shell function or play with level privileges. Not mixed together both.
Above scenario might work, if you move orders to focus on level 6 and give the 7 user privilege level. He couldn't be sure. Try it and share the results.
That's what I suggest that orders back to a normal level.
Provided below are the steps to set up the shell command authorization:
-------------------------------------------
Follow these steps on the router:
-------------------------------------------
! - is the desired username
! - is the password
! create - us a local user name and password
! - in case we are not able to get authenticated via
! - our Ganymede server +. To provide a backdoor.
password username 15 privilege
! - To apply the aaa on the router model
AAA new-model
! - Following command is to specify our ACS
! - location of the server, where is the
! - ip address of the ACS server. And
! - is the key which must be the same during the FAC and the router.
radius-server host key
! - To get the authentication of users through ACS, when they try to log - in
! - If our router is unable to join the ACS, we will use
! - our local user name & the password that we created above. This
! - we prevent locking.
AAA authentication login default group Ganymede + local
AAA authorization exec default group Ganymede + local
AAA authorization config-commands
AAA authorization commands 0 default group Ganymede + local
AAA authorization commands 1 default group Ganymede + local
AAA authorization commands 15 default group Ganymede + local
! - Sequence of commands are for posting to the activity of the user.
! - When the user connects to the device.
AAA accounting exec default start-stop Ganymede group.
AAA accounting system default start-stop Ganymede group.
orders accounting AAA 0 arrhythmic default group Ganymede +.
orders accounting AAA 1 by default start-stop Ganymede group.
orders accounting AAA 15 by default start-stop Ganymede group.
--------------------
ACS configuration
--------------------
[1] Goto 'Profile components shared' a-> 'Shell command authorization sets'-> 'Add '.
Provide any name at all.
provide sufficient description (if necessary)
(a) for full administrative access set.
In the unmatched controls, select 'allow '.
(b) for all access limited.
In the unmatched controls, select "decline."
And in the field above 'Add a command' box, type in the box below and the main command "permit unmatched Args" Order under allow.
For example: If we want the user to only have access to the following commads:
opening of session
Logout
output
Enable
Disable
Show
Then, the configuration should be:
-----------------------------------------------
-Allowed unparalleled Args.
-----------------------------------------------
connection permit
permit disconnection
exit permits
Select the permit
disable the permit
license terminal configuration
ethernet interface license
permits 0
to see the running-config
------------------------------------------------
in example above, user will be allowed to run only from commands. If the user tries to run the interface ethernet 1', the user will get "failed command authorization.
[2] press 'submit '.
[3] Goto Group on which we want to apply these command authorization set. Select 'change settings '.
(more...)
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Hi all
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SH run | in aaa
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Thank you
ReverchonThis happens when we have control permission enabled on ASA and try to run any command level 15 on SAA. To correct this problem you must check enable authentication of a user against GBA / GANYMEDE.
AAA authentication enable console LOCAL + GANYMEDE
After above listed licensing order, ASA will start to check the enable password against ACS/Ganymede and you use Ganymede activate the password that we can put on by user.
~ Jousset
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