Ubuntu
ufw package

while doing anything on ufw get ipv6 error message

Bug #199724 reported by Shirish Agarwal
2
Affects Status Importance Assigned to Milestone
ufw (Ubuntu)
Fix Released
Undecided
Jamie Strandboge

Bug Description

Binary package hint: ufw

Hi all,
 Running ufw 0.14 . Some sample outputs

shirish@Mugglewille:~$ sudo ufw logging on
ip6tables-restore v1.3.8: ip6tables-restore: unable to initialize table 'filter'

Error occurred at line: 1
Try `ip6tables-restore -h' or 'ip6tables-restore --help' for more information.
WARN: problem running ip6tables
Logging enabled

shirish@Mugglewille:~$ sudo ufw default deny
ip6tables-restore v1.3.8: ip6tables-restore: unable to initialize table 'filter'

Error occurred at line: 1
Try `ip6tables-restore -h' or 'ip6tables-restore --help' for more information.
WARN: problem running ip6tables
Default policy changed to 'deny'
(be sure to update your rules accordingly)

The ip6tables thing shouldn't come up, right ?

Related branches

lp:ubuntu/karmic/ufw
Revision history for this message
Fred (eldmannen+launchpad) wrote :

No, it shouldn't come up.
I have ufw 0.14 too, but I don't have that problem...

Revision history for this message
Jamie Strandboge (jdstrand) wrote :

Thank you for reporting this bug and helping make Ubuntu even better.

What version of Ubuntu are you using?

Can you check the md5sum of /etc/init.d/ufw with this command:
$ md5sum /etc/init.d/ufw

It should return:
50305550d0921a5599238a8b22ba12a0 /etc/init.d/ufw

Can you check /etc/default/ufw and verify this line:
IPV6=no

Changed in ufw:
assignee: nobody → jamie-strandboge
status: New → Incomplete
Revision history for this message
Jamie Strandboge (jdstrand) wrote :

Also, do you have ipv6 blacklisted?

Revision history for this message
Jamie Strandboge (jdstrand) wrote :

I looked into the states when ipv6 is not loaded or blacklisted and found where ip6tables errors could come up. A patch has been committed upstream and will be part of the next version of ufw.

Changed in ufw:
status: Incomplete → Fix Committed
Revision history for this message
Shirish Agarwal (shirishag75) wrote :

What version of Ubuntu are you using?
Hardy 8.04 Development version

shirish@Mugglewille:~$ md5sum /etc/init.d/ufw
50305550d0921a5599238a8b22ba12a0 /etc/init.d/ufw

shirish@Mugglewille:~$ cat /etc/default/ufw |grep IPV6=no
IPV6=no

ipv6 is blacklisted somewhere, but don't remember where I had done it.

Thank u for committing that patch :)

Revision history for this message
Launchpad Janitor (janitor) wrote :

This bug was fixed in the package ufw - 0.15

---------------
ufw (0.15) hardy; urgency=low

  * fix man page typo
  * debian/control: added Homepage (LP: #199722)
  * fix python version check (upstream #199790)
  * properly handle when ipv6 is not loaded or blacklisted (LP: #199724)
  * man page fixes
  * clarify 'status' output (LP: #199873)
  * fix ipv6 stateless autoconfiguration (upstream #200921)

 -- Jamie Strandboge <email address hidden> Sat, 08 Mar 2008 07:36:04 -0500

Changed in ufw:
status: Fix Committed → Fix Released
Revision history for this message
Jehan (jbruggem) wrote :

This fix only partially solves the bug.
Since I need IPV6, it is enabled :

# cat /etc/default/ufw | grep IPV6
IPV6=yes

and I get an error message when using ufw :

# ufw status
ERROR: problem running ip6tables

Revision history for this message
Jehan (jbruggem) wrote :

Never mind, the bug has disappeared after restarting the system. The kernel was updated during that restart.

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