Aaa authorization commands for pix 535

Hi ,
Can you provide aaa authorization commands for pix 535
Sanjay Nalawade.

Hi,
Please find the AAA config for PIX.
aaa-server TACACS+ protocol tacacs+
max-failed-attempts 5
aaa-server TACACS+ (ExranetFW-In) host
timeout 5
key ********
aaa authentication enable console TACACS+ LOCAL
aaa authentication serial console TACACS+ LOCAL
aaa authentication http console TACACS+ LOCAL
aaa authentication ssh console TACACS+ LOCAL
aaa authorization command LOCAL
aaa accounting command privilege 15 TACACS+
aaa authorization exec authentication-server
Karuppuchamy

Similar Messages

AAA authorization commands

Hi All
Probably i am going to ask a stupid question but i am really confused regarding the purpose of "aaa authorization commands x default local" command. I understand that if this command is configured, it authorizes each and every command of that level but in my experience, this command is not doing anything. The outcome is same whether it is configured or not.
Following is my aaa part config
username cisco privilege 15 secret cisco
aaa new-model
aaa authentication login default local enable
aaa authorization exec default local if-authenticated
aaa authorization commands 15 default local if-authenticated
Now whether i keep the last command or remove it, username "cisco" is able to use every level 15 command so my question is, why i bother configuring this command?
Would really appreciate your quick reply
Regards

Thanx a lot for your quick response. Really appreciate that.
So does this mean, can i safely assume that if i am using local database then i don't require "aaa authorization command level" command??
that is following should be the config
username cisco privilege 15 secret cisco
aaa new-model
aaa authentication login default local enable
aaa authorization exec default local if-authenticated
privilege exec level 15 show (just an example)
privilege exec level 15 debug
I have tested this and it worked fine without using "aaa authorization command level"
Moreover, regarding the use of AAA server, my eventual plan is to use TACACS+ but before that, i wanted to get a good grip of AAA functionality and therefore started off with local user database.
So u mean to say, if i am using TACACS+ for authentication and authorization purposes and in ACS Server, user "cisco" has been assigned level 15 but with authorization set of "show" and "debug" only then by using "aaa authorization commands level" in a router, i can successfully restrict user "cisco" to "debug" and "show" only? In my point of view, i can achieve this anyway (restricting "cisco" user to only use "show and debug) without using "aaa authorization command level" (like i tested with local database)??
will really appreciate your kind response

Exclude specific user from aaa authorization commands

Hi there,
I am trying to find a solution to exclude specific users from being authorized (AAA command authorization) when entering commands on the switch/router.
We use an AAA setup with Cisco ACS. On the devices we use:
aaa authorization config-commands
aaa authorization commands 1 default group tacacs+ local
aaa authorization commands 5 default group tacacs+ local
aaa authorization commands 15 default group tacacs+ local
is it possible, to exclude an user, say User1, from being command authorized?
In other words, when User1 logs on the switch/router, the switch/router shouldn't check the ACS if User1 is authorized to use this command.
We tried this with method lists in combination with ACL's on the VTY's:
line VTY 0
access-class 1 in
line VTY 1
access-class 2 in
Let's say, User1 always logs in from a specific IP, which is mentioned in access-list 2, the switch would use the method mentioned within the line vty 1.
But apparently, when a remote connection is being established, the switch/router uses the first VTY which is available, instead of watching which ACL can be matched to the source IP from the User.
Does anyone have some tips/tricks how to handle this?
Maybe a custom attribute from the ACS?
Kind Regards

If that user belongs to a unique group then you can write a policy where "if the user is in group x then return "access_reject" Or return "access_accept" but set the privilege level to "1" and block all commands.
Thank you for rating helpful posts!

Aaa authorization command

Hi!
I have issued the aaa authorization command tacacs on my asa, but the ACS is not letting me do any command now. I'm trying to issue the no
aaa authorization command tacacs, but it does not let me.
How can i rollback??
Please Help me
Tkx
Miguel

What version of ACS are you running?
If you are running acs 4.x then you will have to go to your group settings and under shell command authorization permit all commands, if you are using acs 5, you will have to go to your authorization policy, click customize if the command set column isnt active already and assign the command set to allow all commands. I think by default there should be a permit all.
Thanks,
Tarik

No "list-name" option availbale for aaa authorization command.

I have a 1721 router running 122-15.T14 and want to implement authorization but the router does not provide command option for list name.
I want to implement the following command:
"aaa authorization network groupauthor group radius"
but the only option is default after "network".
Router#sh ver
Cisco Internetwork Operating System Software
IOS (tm) C1700 Software (C1700-K9SY7-M), Version 12.2(15)T14, RELEASE SOFTWARE (fc4)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2004 by cisco Systems, Inc.
Compiled Fri 27-Aug-04 23:26 by cmong
Image text-base: 0x80008120, data-base: 0x80F731A0
ROM: System Bootstrap, Version 12.2(7r)XM2, RELEASE SOFTWARE (fc1)
ROM: C1700 Software (C1700-K9SY7-M), Version 12.2(15)T14, RELEASE SOFTWARE (fc4)
Router uptime is 5 minutes
System returned to ROM by reload
System image file is "flash:c1700-k9sy7-mz.122-15.T14.bin"
cisco 1721 (MPC860P) processor (revision 0x400) with 56844K/8692K bytes of memory.
Processor board ID FOC08302CF6 (610086355), with hardware revision 0000
MPC860P processor: part number 5, mask 2
Bridging software.
X.25 software, Version 3.0.0.
1 FastEthernet/IEEE 802.3 interface(s)
2 Serial(sync/async) network interface(s)
32K bytes of non-volatile configuration memory.
32768K bytes of processor board System flash (Read/Write)
Configuration register is 0x2102
Router(config)#aaa authorization network ?
default The default authorization list.
Router(config)#aaa authorization network

I think that your issue is version related. I have a customer who is running a bunch of 1721 routers and when I do aaa authorization network ?
I get both default and the option to name a list.
I checked with the Software Advisor on CCO and it looks to me like the named-list feature was added in 12.3. As long as you are running 12.2 I do not think you will have the option for a named-list for network authorization.
HTH
Rick

Enable aaa accounting commands for all privilege levels?

Here is the command's syntax:
aaa accounting {auth-proxy | system | network | exec | connection | commands level} {default | list-name} {start-stop | stop-only | none} [broadcast] group groupname
The "command" accounting type must include the privilege level of the commands you are logging. How do I log ALL commands?
Take the following example:
aaa accounting commands 15 default start-stop group mygroup
If I issue this command will that mean commands the user executes that have a privilege level lower than 15 will not be logged? Or only commands that require exactly privilege level 15 will be logged?
How can I log all commands regardless of privilege level?

Hi Red,
If you customize the command privilege level using the privilege command, you can limit which commands the appliance accounts for by specifying a minimum privilege level. The security appliance does not account for commands that are below the minimum privilege level.
The default privilege level is 0. So if you don't specify any privilege level then all should be accounted for.
You can find the command detail at. This is for ASA though.
http://www.cisco.com/c/en/us/td/docs/security/asa/asa80/command/reference/cmd_ref/a1.html#wp1535253
Regards,
Kanwal
Note: Please mark answers if they are helpful.

ACS Tacacs+ aaa authorization commands

Hi,
I would like to authorize only certain configuration commands by the Tacacs Server, so in the group setup of ACS, I have checked : command, I have written in the field : configure, and declared as arguments : permit terminal and permit snmp-server enable traps. But I can not configure snmp until I declare in the router : privilege config level 7 snmp-server enable. (I use a level 7 user)
My question is : is there a way to control the granularity of configuration commands on the ACS, in the same way as you can control the granularity of the show commands ?
Many thanks
Patrice

Yes, you can get very granular using Command Authorization Sets and they can be applied to individual users or groups.
Setting Up and Managing Shared Profile Components
http://www.cisco.com/en/US/products/sw/secursw/ps2086/products_user_guide_chapter09186a00800d9e6b.html
hth

AAA Authorization named authorization list

Ladies and Gents,
Your help will be greatly appreciated – I am currently studying CCNP Switch AAA configuration and I work with a tacacs+ server at work butI having difficulty getting my head around the below
Cisco.com extract below
When you create a named method list, you are defining a particular list of authorization methods for the indicated authorization type.
Once defined, method lists must be applied to specific lines or interfaces before any of the defined methods will be performed. The only exception is the default method list (which is named "default"). If the aaa authorization command for a particular authorization type is issued without a named method list specified, the default method list is automatically applied to all interfaces or lines except those that have a named method list explicitly defined. (A defined method list overrides the default method list.) If no default method list is defined, local authorization takes place by default.
My question is how do you define the Named Method List i.e. the none-default method list?
I don't mean the cisco switch config but how the list is created, is this on the tacacs+ server and the referred to in the CLI?
Any help would be much appreciated as I have read over tons of documents and I can’t see how this is created
Thanks in advance
David

Hi David,
An example of a named AAA list might look something like this:
aaa authorization exec TacExec group AAASrv local
In the example above, I've created a AAA authorization list for controlling shell exec sessions called "TacExec", which will check the remote AAA servers in the group "AAASrv" first; if the device receives no response from the remote servers, it will then atempt to validate the credentials via the local user database. Please remember that a deny response from the AAA server is not the same as no reposonse, the device will only check the local user database if an only if it recieves nothing back from the TACACS query.
Of course, before you create this method list, you need to define the TACACS servers via the "tacacs-server" command, and then add those servers to the group via the "aaa group server" command.
Below is a cut and paste from the AAA section on one of my devices:
aaa new-model
ip tacacs source-interface
tacacs-server host 10.x.x.x key 7
tacacs-server host 10.x.x.y key 7
aaa group server tacacs+ TacSrvGrp
server 10.x.x.x
server 10.x.x.y
aaa authentication login default local
aaa authentication login TacLogin group TacSrvGrp local
aaa authorization console
aaa authorization config-commands
aaa authorization exec default local
aaa authorization exec TacAuth group TacSrvGrp local
aaa authorization commands 0 default local
aaa authorization commands 0 TacCommands0 group TacSrvGrp local
aaa authorization commands 1 default local
aaa authorization commands 1 TacCommands1 group TacSrvGrp local
aaa authorization commands 15 default local
aaa authorization commands 15 TacCommands15 group TacSrvGrp local
aaa accounting exec default start-stop group TacSrvGrp
aaa accounting commands 15 default start-stop group TacSrvGrp
aaa session-id common
Notice that for the various authentication and authorization parameters, there is a named method list as well as a default method list. As per Cisco's documentation, a aaa method list called default (that you explicitly define) will apply to all input methods (con, aux, vty, etc) unless you set a named method list on the particular input line (see below):
line con 0
exec-timeout 5 0
line aux 0
exec-timeout 5 0
line vty 0 4
exec-timeout 15 0
authorization commands 0 TacCommands0
authorization commands 1 TacCommands1
authorization commands 15 TacCommands15
authorization exec TacAuth
login authentication TacLogin
transport input ssh
For the console and aux inputs, I only ever want to use local credentials for AAA purposes (ie: If I have to connect on an out-of-band interface, something is potentially wrong with the network connectivity), however for the VTY lines (SSH sessions in this instance), I always want to use the TACACS servers first, with local user credentials as a fallback mechanism.
One thing you need to be VERY mindful of when configuring your devices for AAA is the order of the commands that are entered. It is a relatively simple matter to lock yourself out from the device management if you don't pay close attention to the specific order that the commands are entered. Typically, I will first do a "show user" just to find out which VTY line that I'm connected on, and when I assign the named AAA method lists to the VTY lines, I normally leave the line that I'm on at the default (local), then I open a second session to the device, authenticate using my TACACS credentials, and complete the config on the remaining VTY line.
Keep in mind that there are some other parameters that you can define at the tacacs-server level (timeout value is a good one to look at) which you can use to enhance the AAA performance somewhat.
Hope this helps!

Command execution get very slow when AAA Authorization enable on ASR 1006

Without Authorization , I am able work smoothly with just click on ASR ...., But Once I enable Authorization it takes many secs to move to other command exampe ( If i hit config t or int gi1/0/1 , it take time to move to next command level) ...
These Authorization issue I am facing only on ASR and for Other Cisco Switches and Router its working fine wiith just a click.
Did any one face such issue , and how it is fix ...
See the Show version for ASR
Cisco IOS Software, IOS-XE Software (PPC_LINUX_IOSD-ADVIPSERVICESK9-M), Version 15.1(2)S, RELEASE SOFTWARE (fc1)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2011 by Cisco Systems, Inc.
Compiled Thu 24-Mar-11 23:32 by mcpre
Cisco IOS-XE software, Copyright (c) 2005-2011 by cisco Systems, Inc.
All rights reserved. Certain components of Cisco IOS-XE software are
licensed under the GNU General Public License ("GPL") Version 2.0. The
software code licensed under GPL Version 2.0 is free software that comes
with ABSOLUTELY NO WARRANTY. You can redistribute and/or modify such
GPL code under the terms of GPL Version 2.0. For more details, see the
documentation or "License Notice" file accompanying the IOS-XE software,
or the applicable URL provided on the flyer accompanying the IOS-XE
software.
ROM: IOS-XE ROMMON
NOITDCRTRCORP01 uptime is 10 weeks, 6 days, 1 hour, 16 minutes
Uptime for this control processor is 10 weeks, 6 days, 1 hour, 19 minutes
System returned to ROM by reload
System restarted at 17:47:32 IST Thu Oct 4 2012
System image file is "bootflash:/asr1000rp1-advipservicesk9.03.03.00.S.151-2.S.bin"
Last reload reason: EHSA standby down
AAA Commands on ASR 1006
aaa new-model
aaa group server tacacs+ tacgroup
server 10.48.128.10
server 10.72.160.10
ip vrf forwarding Mgmt-intf
ip tacacs source-interface GigabitEthernet0
aaa authentication login default group tacgroup local
aaa authentication enable default group tacgroup enable
aaa accounting exec default start-stop group tacgroup
aaa accounting commands 1 default start-stop group tacgroup
aaa accounting commands 15 default start-stop group tacgroup
aaa accounting connection default start-stop group tacgroup
aaa accounting system default start-stop group tacgroup
aaa authorization commands 0 default group tacgroup none
aaa authorization commands 1 default group tacgroup none
aaa authorization commands 15 default group tacgroup none
aaa session-id common
tacacs-server host 10.48.128.10 key 7 13351601181B0B382F04796166
tacacs-server key 7 053B071C325B411B1D25464058

I think your issue maybe related to your tacacs server. If you re-order the two servers (typically a 5 second timer before failover occurs) and see if that improves your performance:
You can try to debug the issue by referring to the command reference guide....i.e. debug tacacs...you can also try to telnet to both ip address to port 49 to see if the connection opens, in order to rule out issues where a firewall or routing to one of the tacacs servers is failing. I also noticed you have the shared secret and tacacs server defined for one of the servers, is the sam present for the other server that is in the server group?
server 10.48.128.10
server 10.72.160.10
to
server 10.72.160.10
server 10.48.128.10
Thanks,
Tarik Admani
*Please rate helpful posts*

AAA Authorization on PIX

I have set up authentication and Authorization on the PIX. Authentication works but Authorization fails. I try to debug but nothing shows up (on PIX or ACS), but it does if I debug Authentication

Make sure you have enable authentication ,
aaa authentication ssh console TACACS LOCAL
aaa authentication telnet console TACACS LOCAL
aaa authentication enable console TACACS LOCAL
aaa authorization command TACACS LOCAL
Incase it does not work pls get aaa config
Regards,
~JG
Do rate helpful posts

Aaa authorization config-commands

Hello,
Can anybody explain what is the purpose of this command. I studied the documentation (command reference) but unable to clearly understand the purpose of this command.
Thanks in advance,
Regards,
Mo

This was the best desciption of this command I could find on cisco's site. It sounds to me like if you use the no form of this command you will not be able to use any configuration commands.
Cisco:
Usage Guidelines
If the aaa authorization commands level method command is enabled, all commands, including configuration commands, are authorized by authentication, authorization, and accounting (AAA) using the method specified. Because there are configuration commands that are identical to some EXEC-level commands, there can be some confusion in the authorization process. Using the no aaa authorization config-commands command stops the network access server from attempting configuration command authorization.
After the no form of this command has been entered, AAA authorization of configuration commands is completely disabled. Care should be taken before entering the no form of this command because it potentially reduces the amount of administrative control on configuration commands.
Use the aaa authorization config-commands command if, after using the no form of this command, you need to reestablish the default set by the aaa authorization commands level method command.
Note You will get the same result if you (1) do not configure this command, or (2) configure no aaa authorization config-commands.
The following example specifies that TACACS+ authorization is run for level 15 commands and that AAA authorization of configuration commands is disabled:
aaa new-model
aaa authorization command 15 group tacacs+ none
no aaa authorization config-commands
http://www.cisco.com/en/US/customer/products/sw/iosswrel/ps5187/products_command_reference_chapter09186a008017cf16.html#wp1086510

Allow some show commands in AAA Authorization Set

I'm working on creating AAA authorization sets for our environment and ran into a question!
I'd like to be able to enable ALL show commands except 'show run'. I would also like to enable 'show run interface'. I've figured out how to enable all show commands and disable show run. The problem I'm finding is that since 'show run interface' is a subset of 'show run' it seems to disable. Even if I try to explicitly enable it.
Is there a way to disable 'show run' but enable all other show commands and 'show run interface' with a AAA authorization set?
ACS Version 4.1.
Command set is configured:

Changing it to 'deny running-config' does the exact same thing. It looks like it's seeing the 'show running-config' then stoping on that before anything else. I've tried adding 'permit run interface' in ACS and same thing. Other AAA Authorization set commands work just fine.
On the switch (its a 2960G-8TC-K) running 12.2(58)SE2.
aaa group server tacacs+ SHS
server 10.10.11.200
aaa authentication login verifyme group TACACS+ local
aaa authorization config-commands
aaa authorization exec verifyme group TACACS+ local
aaa authorization commands 0 default group TACACS+
aaa authorization commands 1 default group TACACS+
aaa authorization commands 15 default group TACACS+
aaa accounting send stop-record authentication failure
aaa accounting exec verifyme start-stop group TACACS+
aaa accounting commands 15 default start-stop group TACACS+
aaa accounting network verifyme start-stop group TACACS+
aaa accounting system default start-stop group TACACS+
aaa session-id common
Debugs!
Jun 21 11:07:39: AAA: parse name=tty0 idb type=-1 tty=-1
Jun 21 11:07:39: AAA: name=tty0 flags=0x11 type=4 shelf=0 slot=0 adapter=0 port=0 channel=0
Jun 21 11:07:39: AAA/MEMORY: create_user (0x3A790DC) user='test' ruser='SGAVEJ01' ds0=0 port='tty0' rem_addr='async' authen_type=ASCII service=NONE priv=15 initial_task_id='0', vrf= (id=0)
Jun 21 11:07:39: tty0 AAA/AUTHOR/CMD (4105592267): Port='tty0' list='' service=CMD
Jun 21 11:07:39: AAA/AUTHOR/CMD: tty0 (4105592267) user='test'
Jun 21 11:07:39: tty0 AAA/AUTHOR/CMD (4105592267): send AV service=shell
Jun 21 11:07:39: tty0 AAA/AUTHOR/CMD (4105592267): send AV cmd=show
Jun 21 11:07:39: tty0 AAA/AUTHOR/CMD (4105592267): send AV cmd-arg=running-config
Jun 21 11:07:39: tty0 AAA/AUTHOR/CMD (4105592267): send AV cmd-arg=interface
Jun 21 11:07:39: tty0 AAA/AUTHOR/CMD (4105592267): send AV cmd-arg=GigabitEthernet
Jun 21 11:07:39: tty0 AAA/AUTHOR/CMD (4105592267): send AV cmd-arg=0/1
Jun 21 11:07:39: tty0 AAA/AUTHOR/CMD (4105592267): send AV cmd-arg=
Jun 21 11:07:39: tty0 AAA/AUTHOR/CMD(4105592267): found list "default"
Jun 21 11:07:39: tty0 AAA/AUTHOR/CMD (4105592267): Method=TACACS+ (tacacs+)
Jun 21 11:07:39: AAA/AUTHOR/TAC+: (4105592267): user=test
Jun 21 11:07:39: AAA/AUTHOR/TAC+: (4105592267): send AV service=shell
Jun 21 11:07:39: AAA/AUTHOR/TAC+: (4105592267): send AV cmd=show
Jun 21 11:07:39: AAA/AUTHOR/TAC+: (4105592267): send AV cmd-arg=running-config
Jun 21 11:07:39: AAA/AUTHOR/TAC+: (4105592267): send AV cmd-arg=interface
Jun 21 11:07:39: AAA/AUTHOR/TAC+: (4105592267): send AV cmd-arg=GigabitEthernet
Jun 21 11:07:39: AAA/AUTHOR/TAC+: (4105592267): send AV cmd-arg=0/1
Jun 21 11:07:39: AAA/AUTHOR/TAC+: (4105592267): send AV cmd-arg=
Jun 21 11:07:39: TAC+: Using default tacacs server-group "TACACS+" list.
Jun 21 11:07:39: TAC+: Opening TCP/IP to 10.10.11.200/49 timeout=5
Jun 21 11:07:39: TAC+: Opened TCP/IP handle 0x3A41210 to 10.10.11.200/49 using source 10.40.0.14
Jun 21 11:07:39: TAC+: 10.10.11.200 (4105592267) AUTHOR/START queued
Jun 21 11:07:39: TAC+: (4105592267) AUTHOR/START processed
Jun 21 11:07:39: TAC+: (-189375029): received author response status = FAIL
Jun 21 11:07:39: TAC+: Closing TCP/IP 0x3A41210 connection to 10.10.11.200/49
Jun 21 11:07:39: AAA/AUTHOR (4105592267): Post authorization status = FAIL
Jun 21 11:07:39: AAA/MEMORY: free_user (0x3A790DC) user='test' ruser='SGAVEJ01' port='tty0' rem_addr='async' authen_type=ASCII service=NONE priv=15 vrf= (id=0)

Command confusion - aaa authorization config-commands

I created a new Shell Command Authorization Set within ACS to only allow a port to be configured for a voice VLAN.
>> Shell Command Authorization Sets
      Name: Restricted_Voice
      Description: Configure port voice vlan only.
      Unmatched Commands: Deny
      Add: enable
      Add: configure / permit terminal <cr>
      Add: interface / permit Gi*
      Add: interface / permit Fa*
      Add: switchport / permit voice vlan *
My switch configuration has the following aaa authorization related lines:
     aaa authorization commands 1 default group tacacs+ if-authenticated
     aaa authorization commands 15 default group tacacs+ if-authenticated
When I tested the Shell Set, I noticed that all (config) mode commands were allowed (ie description, hostname). It was only after I added "aaa authorization config-commands" to the switch configuration did my Shell Set began working as I expected it to be.
I went and read up the command reference for "aaa authorization config-commands" in
http://www.cisco.com/en/US/docs/ios/11_3/security/command/reference/sr_auth.html#wp3587.
My comprehension of the command is that by just issuing ' aaa authorization commands 15 ....' this command encompasses the checking of config mode commands and that I did not need to add the stand-alone "aaa authorization config-commands" statement. But clearly, from my testing, I needed the extra statement.
It looks like I resolved my issue and need to add the new statement to all my switches, I'm wondering if someone can help clarify the usage guidelines for me. I'm I one of the few or only one that misinterpreted these "aaa authorization" commands?

Hi Axa,
I have a similar setup and have full Exec Level permissions using only aaa authorization commands level method
The below is taken from cisco.com and explains that you should not require the
aaa authorization config-commands unless you have at some point used the no aaa authorization config-commands command to prevent configuration commands from the Exec User
This in essense is a hidden configured default i.e.you switch on auth for config-commands automatically when you use the aaa authorization commands level method command!
From Cisco.com (I have underlined the key points)
aaa authorization config-commands
To disable AAA configuration command authorization in the EXEC mode, use the no form of the aaa authorization config-commands global configuration command. Use the standard form of this command to reestablish the default created when the aaa authorization commands level method1 command was issued.
aaa authorization config-commands
no aaa authorization config-commands
Syntax Description
This command has no arguments or keywords.
Defaults
After the aaa authorization commands level method has been issued, this command is enabled by default—meaning that all configuration commands in the EXEC mode will be authorized.
Usage Guidelines
If aaa authorization commands level method is enabled, all commands, including configuration commands, are authorized by AAA using the method specified. Because there are configuration commands that are identical to some EXEC-level commands, there can be some confusion in the authorization process. Using no aaa authorization config-commands stops the network access server from attempting configuration command authorization.
After the no form of this command has been entered, AAA authorization of configuration commands is completely disabled. Care should be taken before entering the no form of this command because it potentially reduces the amount of administrative control on configuration commands.
Use the aaa authorization config-commands command if, after using the no form of this command, you need to reestablish the default set by the aaa authorization commands level method command.
Examples
The following example specifies that TACACS+ authorization is run for level 15 commands and that AAA authorization of configuration commands is disabled:
aaa new-model
aaa authorization command 15 tacacs+ none
no aaa authorization config-commands

AAA authorization fails, but still command is executed...

Hi everyone,
i've implemented authorization and it basically works. The user can only use a limited set of commands (show int status, conf t, interface ethernet, interface gigabitethernet, interface fastethernet, shut, no shut).
Now I try to configure a loopback or Vlan interface, which should not be allowed.
COMMANDS IMPLEMENTED:
aaa authorization config-commands
aaa authorization commands 0 vty group tacacs+ none
aaa authorization commands 1 vty group tacacs+ none
aaa authorization commands 15 vty group tacacs+ none
line vty 0 15
authorization commands 0 vty
authorization commands 1 vty
authorization commands 15 vty
COMMAND AND OUTPUT FROM TESTING:
SWITCH(config)#int vlan 2
Command authorization failed.
DEBUG AAA AUTHORIZATION:
SWITCH#
Dec 7 14:31:50: AAA: parse name=tty1 idb type=-1 tty=-1
Dec 7 14:31:50: AAA: name=tty1 flags=0x11 type=5 shelf=0 slot=0 adapter=0 port=1 channel=0
Dec 7 14:31:50: AAA/MEMORY: create_user (0x46603F4) user='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)
Dec 7 14:31:50: tty1 AAA/AUTHOR/CMD (60725991): Port='tty1' list='SCAS' service=CMD
Dec 7 14:31:50: AAA/AUTHOR/CMD: tty1 (60725991) user='USER1'
Dec 7 14:31:50: tty1 AAA/AUTHOR/CMD (60725991): send AV service=shell
Dec 7 14:31:50: tty1 AAA/AUTHOR/CMD (60725991): send AV cmd=interface
Dec 7 14:31:50: tty1 AAA/AUTHOR/CMD (60725991): send AV cmd-arg=Vlan
Dec 7 14:31:50: tty1 AAA/AUTHOR/CMD (60725991): send AV cmd-arg=2
Dec 7 14:31:50: tty1 AAA/AUTHOR/CMD (60725991): send AV cmd-arg=<cr>
Dec 7 14:31:50: tty1 AAA/AUTHOR/CMD (60725991): found list "SCAS"
Dec 7 14:31:50: tty1 AAA/AUTHOR/CMD (60725991): Method=tacacs+ (tacacs+)
Dec 7 14:31:50: AAA/AUTHOR/TAC+: (60725991): user=USER1
Dec 7 14:31:50: AAA/AUTHOR/TAC+: (60725991): send AV service=shell
Dec 7 14:31:50: AAA/AUTHOR/TAC+: (60725991): send AV cmd=interface
Dec 7 14:31:50: AAA/AUTHOR/TAC+: (60725991): send AV cmd-arg=Vlan
Dec 7 14:31:50: AAA/AUTHOR/TAC+: (60725991): send AV cmd-arg=2
Dec 7 14:31:50: AAA/AUTHOR/TAC+: (60725991): send AV cmd-arg=<cr>
Dec 7 14:31:50: AAA/AUTHOR (60725991): Post authorization status = FAIL
Dec 7 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 reply from the Tacacs is a "FAIL", 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 is...Since I get a FAIL from the Tacacs Server I assume that the configuration on that side is fine.
But why would the switch ignore a FAIL and still execute the command? Same problem exists with the Loopback-Interface.
Is this me not understandig the basic concept of AAA or is this some other problem?
The Switch is a Cisco WS-C3750-24TS (running c3750-ipbasek9-mz.122-50.SE2.bin).
The Tacacs runs Cisco Secure ACS4.2.0.124
Thanks,
Tom

Hi Tom,
this is CSCtd49491 : TACACS+ command authorization for interface configuration fails .
The bug is currently in a Closed state, meaning that the "Bug report is valid, but a conscious decision has been made not to fix it at all or in all releases."
As far as I can tell, the impact is rather limited since the interface that gets created will have no effect unless the vlan exists, and even then the effect is minimal since it cannot be configured.
You may want to open a TAC case or work with your account team to get the bug re-opened if this is still a concern though.
hth
Herbert

Configuring aaa local command authorization

i am a bit struggling with how to configure aaa local command authorization, i am not getting any material also for configuring it. Please tell me how to configure aaa local command authorization.. or possible give me some useful links for that..

Hi,
For aaa authorization command set.Kindly refer to link.
http://www.cisco.com/en/US/products/sw/iosswrel/ps1828/products_command_reference_chapter09186a00800ca5d4.html
I hope this help.Please rate this post.
cheers
Sachin

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