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Bug 1512615

Summary: after upgrade ipa-server OS from 7.3 to 7.4 Web UI has no timeout any more
Product: Red Hat Enterprise Linux 7 Reporter: Silvio Wanka <Silvio.Wanka>
Component: ipaAssignee: IPA Maintainers <ipa-maint>
Status: CLOSED NOTABUG QA Contact: ipa-qe <ipa-qe>
Severity: low Docs Contact:
Priority: unspecified    
Version: 7.4CC: frenaud, pvoborni, rcritten, tscherf
Target Milestone: rc   
Target Release: ---   
Hardware: Unspecified   
OS: Linux   
Fixed In Version: Doc Type: If docs needed, set a value
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Clone Of: Environment:
Last Closed: 2017-11-14 08:54:14 UTC Type: Bug
Regression: --- Mount Type: ---
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:

Description Silvio Wanka 2017-11-13 16:38:16 UTC
up to ipa-server 4.4.x it was normal that I must reenter my credentials if I have not used Web UI for some minutes. Now I remain logged-on without any limit. Is this the normal behavior now (insecure) or is there a bug?

Comment 2 Florence Blanc-Renaud 2017-11-14 08:54:14 UTC

in older versions, the session duration was set with the parameter SessionMaxAge in the file /etc/httpd/conf.d/ipa.conf.

In RHEL 7.4, we introduced privilege separation ( and setting SessionMaxAge could break old clients (ipa-client < 4.5), see issue

So now, the default session duration is tied to the kerberos ticket lifetime (default=24h), but can be tuned by setting kinit_lifetime=<duration> in the [global] section of /etc/ipa/default.conf.

For instance to limit the session to 5min, modify /etc/ipa/default.conf on the masters and restart ipa with ipactl stop/ipactl start:

$ cat /etc/ipa/default.conf
host =
basedn = dc=domain,dc=com
realm = DOMAIN.COM
domain =
xmlrpc_uri =
ldap_uri = ldapi://%2fvar%2frun%2fslapd-DOMAIN-COM.socket
enable_ra = True
ra_plugin = dogtag
dogtag_version = 10
mode = production

Comment 3 Silvio Wanka 2017-11-14 09:16:53 UTC
If I set as recommended kinit_lifetime in /etc/ipa/default.conf to 5min do this only affect the Web UI or also (as I assume) all other kinds of sessions?


Comment 4 Florence Blanc-Renaud 2017-11-16 08:24:09 UTC

the lifetime set in /etc/ipa/default.conf will affect only sessions to the WebUI that are using the /session/login_password method (ie when the user provides username and password).

When authentication is done with an already acquired kerberos ticket (using /session/login_kerberos), the ticket lifetime is limiting the session duration.