Bug 194128 - bind does not refresh DNS records with short TTL
Summary: bind does not refresh DNS records with short TTL
Keywords:
Status: CLOSED DEFERRED
Alias: None
Product: Fedora Legacy
Classification: Retired
Component: bind
Version: rhl7.3
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Fedora Legacy Bugs
QA Contact: Ben Levenson
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2006-06-05 21:36 UTC by Milan Kerslager
Modified: 2007-04-18 17:44 UTC (History)
0 users

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2006-08-13 15:01:56 UTC
Embargoed:


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Description Milan Kerslager 2006-06-05 21:36:16 UTC
As a number of DNS records with short TTL grows, the bind from RHL7.3 (fully
updated from fedoralegacy.org) is almost unusable. This short-term records are
not refreshed after expiration so some Web addresses are unreachable:

# cat /etc/resolv.conf
nameserver 127.0.0.1
# dig download.fedoralegacy.org
...
;; QUESTION SECTION:
;download.fedoralegacy.org.     IN      A
...
(ie this DNS question failed as non-existed, other DNS queries works)
# /etc/init.d/named restart
... (bind restarted)
# dig download.fedoralegacy.org
...
;; ANSWER SECTION:
download.fedoralegacy.org. 1913 IN      CNAME   legacy.linux.duke.edu.
legacy.linux.duke.edu.  1800    IN      A       152.3.183.83
...

I reported this as the bug #65470 but it has been never fixed. I RHL7.3 days I
workarounded this bug by using own recent version of bind. After the TTL
expiration bind sometimes enter to this state. As fedoralegacy.org has short
term TTLs now, yum autoupdates does not work.

Comment 1 Jesse Keating 2006-08-13 15:01:56 UTC
Unfortunately not really a security issue.

If you have a patch that applies to RHL7.3's bind we could include it if we ever
have to update bind.


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