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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Dear all,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">This week I’ve implemented TACACS in our Radiator setup and it is working correctly. I’ve got one issue at the moment though.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">The thing I’d like to change is the ‘authorization expired’ messages. Authorization works correctly until a logged in user has been idle for some time. Radiator logs shows
a ‘no context found’ message in this case, so it seems that Radiator already flushed the authentication cache. I’ve tried to set the ‘idle-time’ and ‘timeout’ values, but this doesn’t seem to change a thing. Please note that when this message appears Radiator
hasn’t been restarted.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Corresponding configuration:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New""><ServerTACACSPLUS><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New""> BindAddress x.x.x.x<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New""> Key xxxxxxx<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New""> AddToRequest NAS-Identifier=TACACS<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New""> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New""> GroupMemberAttr tacacsgroup
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New""> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New""> AuthorizationTimeout 1800<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New""> IdleTimeout 1800<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New""> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New""> AuthorizeGroup ReadOnly permit service=shell .*
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New""> AuthorizeGroup ReadOnly deny service=shell enable .*<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New""> AuthorizeGroup ReadOnly deny service=shell configure .*<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New""> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New""> # Cisco WLC<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New""> AuthorizeGroup ReadWrite permit service=ciscowlc .* {role1=ALL}<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New""> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New""> #<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New""> # Specific permit statement to enter enable-mode directly<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New""> #<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New""> <b>AuthorizeGroup ReadWrite permit service=shell cmd\* {priv-lvl=15 idletime=45 timeout=600}<o:p></o:p></b></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New""> AuthorizeGroup ReadWrite permit .*
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New""> GroupCacheFile %D/group-cache.dat<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New""></ServerTACACSPLUS><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Corresponding logging:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New"">Fri Sep 14 10:43:24 2012: DEBUG: New TacacsplusConnection created for x.x.x.x:60437<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New"">Fri Sep 14 10:43:24 2012: WARNING: Could not find a Client for x.x.x.x:60437. Falling back to default Key<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New"">Fri Sep 14 10:43:24 2012: DEBUG: TacacsplusConnection request 192, 2, 1, 0, 3937159092, 106<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New"">Fri Sep 14 10:43:24 2012: DEBUG: TacacsplusConnection Authorization REQUEST 1, 1, 1, 0, mvanwilligen, tty514, x.x.x.x, 5, service=shell cmd=show cmd-arg=access-lists cmd-arg=101 cmd-arg=<cr><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New"">Fri Sep 14 10:43:24 2012: INFO: Authorization denied for [username] at x.x.x.x: No context found. Expired?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New"">Fri Sep 14 10:43:24 2012: DEBUG: TacacsplusConnection Authorization RESPONSE 17, Authentication expired, ,
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New"">Fri Sep 14 10:43:24 2012: DEBUG: TacacsplusConnection disconnected from x.x.x.x:60437<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Anyone knows how to prevent this from happening?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Thanks in advance!<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Best regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">PROXSYS*<br>
Remco van Noorloos<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""><o:p> </o:p></span></p>
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