[Freeipa-users] HBAC Troubleshooting (IPA 4.2)

Jake freeipa at jacobdevans.com
Tue Nov 1 23:24:49 UTC 2016


Details: 
ipa-client-install --version 
4.2.0 

sssd --version 
1.13.0 

krb5-config --version 
Kerberos 5 release 1.13.2 

cat /etc/redhat-release 
CentOS Linux release 7.2.1511 (Core) 

I hope this helps, also can I disable the allow-all rule per-host? 

Thanks, 
Jake 


From: "Lachlan Musicman" <datakid at gmail.com> 
Cc: "freeipa-users" <freeipa-users at redhat.com> 
Sent: Tuesday, November 1, 2016 7:04:45 PM 
Subject: Re: [Freeipa-users] HBAC Troubleshooting (IPA 4.2) 

Jake, 

I've seen this behaviour and am still struggling to find a solution. 

The version of underlying OS and sssd are useful to know fwiw. 

To trouble shoot HBAC: 

- in *target machine* sssd.conf, add debug_level=7 to each stanza (can go as high as 9, but I believe 7 will be sufficient) 
- restart sssd 
- clear logs in /var/log/sssd/ either by deleting or by logrotate 
- make an attempt to login/perform allowed action that gets denied 
- read logs to see what happened 
- I like to run `ipa hbactest --user= --host= --service` on the IPA node to confirm that the HBAC rules are correct 
- I sometimes also install ipa-tools on the target host and confirm that the above command gives same and correct answer 
- note that successful results from this command may not translate to successful application of HBAC on the target host in reality. 



cheers 
L. 


------ 
The most dangerous phrase in the language is, "We've always done it this way." 

- Grace Hopper 

On 2 November 2016 at 09:41, Jake < [ mailto:freeipa at jacobdevans.com | freeipa at jacobdevans.com ] > wrote: 



Hey All, 
I'm having some issues tracing HBAC policies, it seems whenever I disable the allow_all policy, I'm no longer able to access services I have allowed in my more-specific hbac policy. 

What are the troubleshooting steps (logs) I can run on the client to see what is being denied and by what policy, Is this all done with sssd? 

Thank You, 
-Jake 


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