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Bug 1614501 - Disable nunc-stans by default
Disable nunc-stans by default
Status: CLOSED ERRATA
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: 389-ds-base (Show other bugs)
7.4
All Linux
high Severity high
: rc
: ---
Assigned To: mreynolds
RHDS QE
Marc Muehlfeld
: ZStream
Depends On:
Blocks: 1614836
  Show dependency tree / graph
 
Reported: 2018-08-09 14:28 EDT by mreynolds
Modified: 2018-10-30 06:16 EDT (History)
8 users (show)

See Also:
Fixed In Version: 389-ds-base-1.3.8.4-10.el7
Doc Type: Bug Fix
Doc Text:
The default of the "nsslapd-enable-nunc-stans" parameter has been changed to "off" Previously, the nucn-stans framework was enabled by default in Directory Server, but the framework is not stable. As a consequence, deadlocks and file descriptor leaks could occur. This update changes the default value of the "nsslapd-enable-nunc-stans" parameter to "off". As a result, Directory Server is now stable.
Story Points: ---
Clone Of:
: 1614836 (view as bug list)
Environment:
Last Closed: 2018-10-30 06:15:00 EDT
Type: ---
Regression: ---
Mount Type: ---
Documentation: ---
CRM:
Verified Versions:
Category: ---
oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

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External Trackers
Tracker ID Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2018:3127 None None None 2018-10-30 06:16 EDT

  None (edit)
Description mreynolds 2018-08-09 14:28:54 EDT 
This bug is created as a clone of upstream ticket:
https://pagure.io/389-ds-base/issue/49893

#### Issue Description

Currently nunc-stans is not stable, and we need to turn if off by default until the FD leak and deadlock is resolved.
Comment 4 Viktor Ashirov 2018-08-12 14:12:46 EDT 
Build tested: 389-ds-base-1.3.8.4-10.el7.x86_64

On a fresh instance:
[root@server ds]# ldapsearch -xLLL -D cn=Directory\ Manager -w password -b cn=config -s base nsslapd-enable-nunc-stans
dn: cn=config
nsslapd-enable-nunc-stans: off

[root@server ds]# pstack $(pidof ns-slapd) | grep nunc-stans -c
0

Nunc-stans is disabled by default, marking as VERIFIED.
Comment 7 errata-xmlrpc 2018-10-30 06:15:00 EDT 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHSA-2018:3127
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