Bug 152036 - Amanda hangs on backup in case of ip_conntrack_amanda is used (RHEL4)
Amanda hangs on backup in case of ip_conntrack_amanda is used (RHEL4)
Product: Red Hat Enterprise Linux 4
Classification: Red Hat
Component: kernel (Show other bugs)
All Linux
medium Severity high
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Assigned To: Jason Baron
Brian Brock
Depends On:
Blocks: 168429
  Show dependency treegraph
Reported: 2005-03-24 11:00 EST by Peter Bieringer
Modified: 2013-03-06 00:58 EST (History)
6 users (show)

See Also:
Fixed In Version: RHSA-2006-0132
Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of:
Last Closed: 2006-03-07 13:49:57 EST
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Regression: ---
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Documentation: ---
Verified Versions:
Category: ---
oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

Attachments (Terms of Use)

External Trackers
Tracker ID Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2005:808 normal SHIPPED_LIVE Important: kernel security update 2005-10-27 00:00:00 EDT
Red Hat Product Errata RHSA-2006:0132 qe-ready SHIPPED_LIVE Moderate: Updated kernel packages available for Red Hat Enterprise Linux 4 Update 3 2006-03-09 11:31:00 EST

  None (edit)
Description Peter Bieringer 2005-03-24 11:00:08 EST
From Bugzilla Helper:
User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; de-DE; rv:1.7.6) Gecko/20050321 Firefox/1.0.2

Description of problem:
Same issue as in FC3 found for 2.6.9 series and and older 2.6.10

Version-Release number of selected component (if applicable):

How reproducible:

Steps to Reproduce:
1. see other bugzilla entries below

Actual Results:  Not working

Expected Results:  Working

Additional info:

Workaround on amanda server (the one which runs "amdump"):

# rmmod ip_conntrack_amanda
# iptables -I OUTPUT -p tcp -d $IP_CLIENT -j ACCEPT

Workaround on amanda client (the one which runs "amdump"):

# rmmod ip_conntrack_amanda
# iptables -I INPUT -p tcp -d $IP_CLIENT -j ACCEPT

not so secure anymore...

See also:
Comment 12 Red Hat Bugzilla 2006-03-07 13:49:57 EST
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 the 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.

Comment 13 Peter Bieringer 2006-03-13 07:28:03 EST
Verified, can confirm this issue is fixed now, workaround in my firewall setup
is disabled now.

Found also related entry in changelog of kernel-2.6.spec:
* Mon Oct 24 2005 Jason Baron <jbaron@redhat.com> [2.6.9-22.6]
-fix packet corruption in ip_conntrack_amanda (Jeff Layton) [152036]

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