<html><body><p><font size="2" face="sans-serif">Aaron,</font><br><br><font size="2" face="sans-serif">Thank you for the prompt response! I was able to get it working with your suggestion! </font><br><br><br><img width="16" height="16" src="cid:1__=0ABBF41BDFFC260A8f9e@AMERICAS.CORP.LOCAL" border="0" alt="Inactive hide details for Aaron Wasserott ---07/16/2015 09:26:32 PM---Try changing "service = shell" to "service = exec" and se"><font size="2" color="#424282" face="sans-serif">Aaron Wasserott ---07/16/2015 09:26:32 PM---Try changing "service = shell" to "service = exec" and see if that works. I have NX-OS working fine</font><br><br><font size="1" color="#5F5F5F" face="sans-serif">From: </font><font size="1" face="sans-serif">Aaron Wasserott <aaron.wasserott@viawest.com></font><br><font size="1" color="#5F5F5F" face="sans-serif">To: </font><font size="1" face="sans-serif">"Kevin.Cruse@Instinet.com" <Kevin.Cruse@Instinet.com>, "tac_plus@shrubbery.net" <tac_plus@shrubbery.net>, </font><br><font size="1" color="#5F5F5F" face="sans-serif">Date: </font><font size="1" face="sans-serif">07/16/2015 09:26 PM</font><br><font size="1" color="#5F5F5F" face="sans-serif">Subject: </font><font size="1" face="sans-serif">RE: [tac_plus] Cisco Nexus Authorization problem</font><br><hr width="100%" size="2" align="left" noshade style="color:#8091A5; "><br><br><br><tt><font size="2">Try changing "service = shell" to "service = exec" and see if that works. I have NX-OS working fine using that. Also, I have never seen the shell service used in real-world examples for network devices. But reading the manpage it appears it should work to prevent them from entering configuration mode, as long as your AAA commands are set right.<br><br>service=shell<br>for exec startup, and also for command authorizations. Requires: aaa authorization exec tacacs+<br><br>Whether authorization happens, and at which prompt level, depends on the aaa authorization settings. It's possible to only restrict exec level commands, and prevent them from entering the 'conf t' command. But if you want them in conf t mode but restrict their commands at that level, you need to enable something like this:<br><br>aaa authorization config-commands default group myTacacsGroup local<br><br>If changing the service doesn't work, include the AAA commands on your NX-OS switches.<br><br>-----Original Message-----<br>From: tac_plus [</font></tt><tt><font size="2"><a href="mailto:tac_plus-bounces@shrubbery.net">mailto:tac_plus-bounces@shrubbery.net</a></font></tt><tt><font size="2">] On Behalf Of Kevin.Cruse@Instinet.com<br>Sent: Thursday, July 16, 2015 3:40 PM<br>To: tac_plus@shrubbery.net<br>Subject: [tac_plus] Cisco Nexus Authorization problem<br><br><br><br>Hello<br><br>I have configured TACPLUS to work with cisco nexus device. I am able to successfully authenticate, however, I am able to run all commands on router. It seems the router is not restricted to the commands specified in my group config. Has anyone gotten Cisco nexus to work properly with tacplus? I need to limit certain users and cannot get this working properly. Any help is greatly appreciated!!! Thanks.<br><br>Group Config:<br><br> group = snm {<br> default service = deny<br> service = shell {<br> set shell:roles="\"network-admin\""<br> default command = deny<br> default attribute = deny<br> set priv-lvl = 15<br> cmd = configure {deny .*}<br> cmd = clear {<br> permit "counters"<br> permit "qos stat"<br> permit "mls qos int"<br> }<br> cmd = disable {permit .*}<br> cmd = enable {permit .*}<br> cmd = end {permit .*}<br> cmd = exit {permit .*}<br> cmd = logout {permit .*}<br> cmd = ping {permit .*}<br> cmd = set {<br> permit "length 0"<br> }<br> cmd = show {<br> deny "controllers vip"<br> permit .*<br> }<br> cmd = skip-page-display {permit .*}<br> cmd = terminal {<br> permit "length 0"<br> }<br> cmd = write {<br> permit "network"<br> permit "terminal"<br> permit "memory"<br> }<br> }<br> }<br><br><br> user = testuser {<br><br> member = snm<br> }<br><br><br>Session output from router:<br><br> telnet labrouter<br>Trying labrouter...<br>Connected to labrouter.<br>Escape character is '^]'.<br>User Access Verification<br>login: testuser<br>Password:<br>Cisco Nexus Operating System (NX-OS) Software TAC support: </font></tt><tt><font size="2"><a href="http://www.cisco.com/tac">http://www.cisco.com/tac</a></font></tt><tt><font size="2"> Copyright (c) 2002-2014, Cisco Systems, Inc. All rights reserved.<br>The copyrights to certain works contained in this software are owned by other third parties and used and distributed under license. Certain components of this software are licensed under the GNU General Public License (GPL) version 2.0 or the GNU Lesser General Public License (LGPL) Version 2.1. A copy of each such license is available at </font></tt><tt><font size="2"><a href="http://www.opensource.org/licenses/gpl-2.0.php">http://www.opensource.org/licenses/gpl-2.0.php</a></font></tt><tt><font size="2"> and </font></tt><tt><font size="2"><a href="http://www.opensource.org/licenses/lgpl-2.1.php">http://www.opensource.org/licenses/lgpl-2.1.php</a></font></tt><tt><font size="2"><br>LABROUTER# configure<br><------------------------------------------------------------ This should be denied Enter configuration commands, one per line. End with CNTL/Z.<br>LABROUTER(config)# interface ethernet 1/1 configure<br><------------------------------------------------------------ This should be denied LABROUTER(config-if)# shut<br><------------------------------------------------------------ This should be denied LABROUTER(config-if)# no shut<br><------------------------------------------------------------ This should be denied LABROUTER(config-if)# end LABROUTER#<br><br>========================================================================================================= <<<< Disclaimer >>>> This message is intended solely for use by the named addressee(s). If you receive this transmission in error, please immediately notify the sender and destroy this message in its entirety, whether in electronic or hard copy format. Any unauthorized use (and reliance thereon), copying, disclosure, retention, or distribution of this transmission or the material in this transmission is forbidden. 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