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

Tags: Cisco Security

Similar Questions

  • AAA authorization commands

    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 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 + none

    line vty 0 15
    authorization to control vty 0
    vty orders 1 authorization
    authorization orders 15 vty

    COMMAND 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
    end

    QUESTION:

    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

  • 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

  • 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

  • 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-

  • I am unable to connect with GANYMEDE + connection after the addition of aaa authorization network command

    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!

  • The AAA authorization

    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

  • 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

    http://www.security-solutions.co.za/Cisco-ACS-5.2-role-based-authentication-authorization-for-different-privilege-levels-configuration-example.html#_Toc299569579

    ~ BR
    Jatin kone

    * Does the rate of useful messages *.

  • 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

  • AAA authorization?

    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.

  • authorization AAA console

    Hello

    I want to configure authorization aaa with Ganymede + to connect to the console, but in the cisco documentation, I found the following line "" Note authorization is bypassed for authenticated users who log on by using the line of the console, even if authorization has been configured. "" "" » ??? There no way to configure the authorization to connect to the console on the right?

    THX

    Larry

    Hi Larry,

    Some additional info, maybe that's what you are experiencing.

    Console port authorization has not been added as an element until the bug No. CSCdi82030 has been put in place. Console port authorization is disabled by default to reduce the likelihood of being accidentally locked on the router. If a user has physical access to the router through the console, console port authority is not very effective. However, for images which Bug ID CSCdi82030 has been implemented, console port may be lit under line con 0 with the permission of aaa hidden command console.

    You can get specific information about a bug ID by using the Bug Toolkit, related tools and utilities.

    Thank you

    Christophe

  • AAA problem in access to the switch console

    Hi all

    I have configured the aaa as orders below:

    RADIUS-server host xxxxxx
    RADIUS-server application made
    RADIUS-server key xxxxxx

    AAA new-model

    AAA new-model
    AAA authentication login default local
    AAA authentication login techop group Ganymede + local
    the AAA authentication enable default group Ganymede + activate
    AAA authorization exec default group Ganymede + local
    AAA authorization commands 1 default group Ganymede + local
    AAA authorization commands 15 default group Ganymede + local
    AAA accounting exec default start-stop Ganymede group.
    only AAA 1 default stop accounting controls group Ganymede +.
    accounting AAA commands default 15 stop only Ganymede group.
    AAA - the id of the joint session

    line vty 0 15
    connection of authentication techop

    GANYMEDE works fine for ssh, but when I am trying to switch console
    I am able to connect in exec mode but when go ask password enable
    the switch does not take any password (either Ganymede or local credentials).
    I am also able to connect via console by powers exec mode the
    and not by the credentials of the RADIUS server.

    Temp > en
    password:
    % Authentication failure.

    Hey,.

    Please share:

    Debug aaa authentication

    Debug aaa authorizarion

    debugging Ganymede +.

    Concerning

    Ed

  • 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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