Bug 194128 - bind does not refresh DNS records with short TTL
bind does not refresh DNS records with short TTL
Product: Fedora Legacy
Classification: Retired
Component: bind (Show other bugs)
All Linux
medium Severity medium
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Assigned To: Fedora Legacy Bugs
Ben Levenson
Depends On:
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Reported: 2006-06-05 17:36 EDT by Milan Kerslager
Modified: 2007-04-18 13:44 EDT (History)
0 users

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Doc Type: Bug Fix
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Last Closed: 2006-08-13 11:01:56 EDT
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RHEL 7.3 requirements from Atomic Host:
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Description Milan Kerslager 2006-06-05 17:36:16 EDT
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
# dig download.fedoralegacy.org
;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
download.fedoralegacy.org. 1913 IN      CNAME   legacy.linux.duke.edu.
legacy.linux.duke.edu.  1800    IN      A

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 11:01:56 EDT
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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