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Bug 491655

Summary:	bind doesn't handle unknown DLV algorithms well
Product:	Red Hat Enterprise Linux 5	Reporter:	Adam Tkac <atkac>
Component:	bind	Assignee:	Adam Tkac <atkac>
Status:	CLOSED ERRATA	QA Contact:	BaseOS QE <qe-baseos-auto>
Severity:	high	Docs Contact:
Priority:	urgent
Version:	5.3	CC:	bill, derekmorr, dkovalsk, jason.redhat.20030417, jplans, msusta, ovasik, rvokal
Target Milestone:	rc	Keywords:	ZStream
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2009-09-02 07:36:46 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:
Bug Blocks:	504794

Description Adam Tkac 2009-03-23 14:17:49 UTC

Description of problem:
BIND doesn't handle unknown DLV algorithms well. This issue is fixed in 9.5.1-P2 and patch must be backported to RHEL5.

Version:
bind-9.3.4-10.P1.el5

Comment 5 William H. Haller 2009-05-02 17:20:06 UTC

For example, not being able to resolve the .gov domain if DNSSEC is enabled is a problem for many users with their new signing algorithm in use that seemed to be triggered late this week.

Even Fedora, running 9.5.1-2.p2 requires dnssec-validate no to resolve .gov domains and trying to import the public key for .gov yields an invalid algorithm message.

Comment 6 Adam Tkac 2009-05-04 08:03:28 UTC

(In reply to comment #5)
> For example, not being able to resolve the .gov domain if DNSSEC is enabled is
> a problem for many users with their new signing algorithm in use that seemed to
> be triggered late this week.
>
> Even Fedora, running 9.5.1-2.p2 requires dnssec-validate no to resolve .gov
> domains and trying to import the public key for .gov yields an invalid
> algorithm message.  

named fails to handle "gov." domain only when you use DLV. If you try import key with unknown algorithm it fails during startup (it is expected behavior).

9.5.1-2.P2 in Fedora should work fine. If it hits unknown algorithm during DLV process it falls back to non-secure DNS as expected. If it doesn't work in your case open a bug report against Fedora and attach your log, please.

Comment 11 errata-xmlrpc 2009-09-02 07:36:46 UTC

An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on therefore solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.

http://rhn.redhat.com/errata/RHBA-2009-1420.html