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Bug 1146905 - ipa throws errors 907 (incompatible ssl/tls versions) when mod_nss is configured to just TLS 1.1 and 1.2
Summary: ipa throws errors 907 (incompatible ssl/tls versions) when mod_nss is configu...
Keywords:
Status: CLOSED DUPLICATE of bug 1154687
Alias: None
Product: Red Hat Enterprise Linux 6
Classification: Red Hat
Component: ipa
Version: 6.5
Hardware: Unspecified
OS: Unspecified
unspecified
unspecified
Target Milestone: rc
: ---
Assignee: IPA Maintainers
QA Contact: Namita Soman
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2014-09-26 10:22 UTC by David Jaša
Modified: 2014-11-21 09:44 UTC (History)
3 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2014-11-21 09:44:41 UTC
Target Upstream Version:
Embargoed:


Attachments (Terms of Use)

Description David Jaša 2014-09-26 10:22:25 UTC
Description of problem:
When accessing some page (one of the Hosts), I keep getting the error 907:
"""
cannot connect to 'https://idm.spice.brq.redhat.com:443/ca/agent/ca/displayBySerial': [Errno -12190] (SSL_ERROR_PROTOCOL_VERSION_ALERT) Peer reports incompatible or unsupported protocol version.
"""
The error started popping up after I disabled TLSv1 in mod_nss configuration. As TLS 1.0 is outdated for quite a long time already, FreeIPA should be able to work in 1.1+1.2 or pure TLS 1.2 environments

Version-Release number of selected component (if applicable):
ipa-server-3.0.0-37.el6.x86_64

How reproducible:
always

Steps to Reproduce:
1. in /etc/httpd/conf.d/nss.conf, change NSSProtocol line to:
NSSProtocol TLSv1.1,TLSv1.2
2. restart httpd
3. browse web ui, try doing some actions

Actual results:
error 907 such as above pops up from time to time

Expected results:
IPA should work without any glitch when only recent TLS versions are enabled in httpd

Additional info:
logs may reveal another pain points...

Comment 1 Rob Crittenden 2014-09-26 13:31:15 UTC
More specifics are needed on exactly which pages work and which pages do not.

This particular error is associated with fetching data from dogtag to display the certificate status (revoked or not) so it may be that only those entries with certificates are at issue.

Did you test with the cli at all?

Comment 2 David Jaša 2014-09-29 08:49:34 UTC
(In reply to Rob Crittenden from comment #1)
> More specifics are needed on exactly which pages work and which pages do not.
> 

I've only seen the error on the host list. My IPA isn't populated enough IMO to see if this is the only occurence of the error or not.

> This particular error is associated with fetching data from dogtag to
> display the certificate status (revoked or not) so it may be that only those
> entries with certificates are at issue.
> 
> Did you test with the cli at all?

No, I use CLI only seldom so I reported the bug and reverted the setting back.

Comment 3 Martin Kosek 2014-11-21 09:44:41 UTC
IPA Poodle fixes are tracked in Bug 1154687, closing this one as duplicate.

If you are interested in TLS 1.2 support in mod_nss, please track Bug 1166316 instead.

*** This bug has been marked as a duplicate of bug 1154687 ***


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