Bug 740399

Summary:	RHSA-2011-1065 kernel update (RHBZ#642388 fix) breaks passive ftp connections
Product:	Red Hat Enterprise Linux 5	Reporter:	Othman Madjoudj <athmanem>
Component:	kernel	Assignee:	Red Hat Kernel Manager <kernel-mgr>
Status:	CLOSED WONTFIX	QA Contact:	Red Hat Kernel QE team <kernel-qe>
Severity:	medium	Docs Contact:
Priority:	unspecified
Version:	5.7	CC:	athmanem, herrold, kenichi.tanabe, matt, michael.bu, pasteur, redhatbugzilla, uwe.knop
Target Milestone:	rc
Target Release:	---
Hardware:	x86_64
OS:	Unspecified
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2014-06-02 13:03:37 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:

Description Othman Madjoudj 2011-09-21 21:58:19 UTC

Description of problem:

Passive ftp connections are not working after updating to from 5.6 to 5.7 and ip_nat_ftp kernel module is loaded.


Version-Release number of selected component (if applicable):
kernel-2.6.18-274.3.1.el5


Steps to Reproduce:
1. Install vsftpd
2. Add ip_conntrack_ftp and ip_nat_ftp into /etc/sysconfig/iptable-config
3. Restart iptables
4. Connect to the ftp server from a remote machine
  
Actual results using kernel-2.6.18-274.3.1.el5:

220 (vsFTPd 2.0.5)
user USERNAME
331 Please specify the password.
pass PASSWORD
230 Login successful.
type i
200 Switching to Binary mode.
pasv
Error: Connection timed out
Error: Failed to retrieve directory listing

Expected results (when downgrading kernel to 2.6.18-238.el5):

220 (vsFTPd 2.0.5)
user USERNAME
331 Please specify the password.
pass PASSWORD
230 Login successful.
type i
200 Switching to Binary mode.
pasv
227 Entering Passive Mode (192,168,1,6,115,196)

Additional info:
This issue seems introduced by RHSA-2011-1065 kernel update (RHBZ#642388 fix)

[1] http://rhn.redhat.com/errata/RHSA-2011-1065.html
[2] https://bugzilla.redhat.com/show_bug.cgi?id=642388

Comment 1 RHEL Program Management 2014-03-07 12:15:02 UTC

Thank you for submitting this request for inclusion in Red Hat Enterprise Linux 5. We've carefully evaluated the request, but are unable to include it in the  last planned RHEL5 minor release. This Bugzilla will soon be CLOSED as WONTFIX. To request that Red Hat re-consider this request, please re-open the bugzilla via  appropriate support channels and provide additional business and/or technical details about its importance to you.

Comment 2 RHEL Program Management 2014-06-02 13:03:37 UTC

Thank you for submitting this request for inclusion in Red Hat Enterprise Linux 5. We've carefully evaluated the request, but are unable to include it in RHEL5 stream. If the issue is critical for your business, please provide additional business justification through the appropriate support channels (https://access.redhat.com/site/support).

Comment 3 Othman Madjoudj 2015-02-09 16:09:45 UTC

Removing NEEDINFO, please check CentOS bug tracker for more infos.