Disable IPv6 in kernel generate error in Ufw 0.33.3

[Tomás F. L.]

Hello.
I have found the following mistake:
Manjaro 0.8.13-rc1
OpenRC 0.16.3
Ufw 0.33.3
Linux manjaro 3.18.14-1-MANJARO #1 SMP PREEMPT Mon May 25 01:26:15 UTC 2015 x86_64 GNU/Linux

x64
---
IPv6 disable in kernel work OK but Ufw has an error with ipv6.disable=1 in GRUB_CMDLINE_LINUX_DEFAULT of /etc/default/grub

ufw status/enable
Traceback (most recent call last):
  File "/usr/bin/ufw", line 95, in <module>
    ui = ufw.frontend.UFWFrontend(pr.dryrun)
  File "/usr/lib/python2.7/site-packages/ufw/frontend.py", line 153, in __init__
    self.backend = UFWBackendIptables(dryrun)
  File "/usr/lib/python2.7/site-packages/ufw/backend_iptables.py", line 45, in __init__
    ufw.backend.UFWBackend.__init__(self, "iptables", dryrun, files)
  File "/usr/lib/python2.7/site-packages/ufw/backend.py", line 88, in __init__
    nf_caps = ufw.util.get_netfilter_capabilities(self.ip6tables)
  File "/usr/lib/python2.7/site-packages/ufw/util.py", line 734, in get_netfilter_capabilities
    raise OSError(errno.ENOENT, out)
OSError: [Errno 2] ip6tables v1.4.21: can't initialize ip6tables table `filter': Address family not supported by protocol
Perhaps ip6tables or your kernel needs to be upgraded.

In the file: /etc/default/ufw --> IPV6=no

Ufw don't start.

Disable IPv6 in /etc/sysctl.d/40-ipv6.conf all work OK.
# Disable IPv6
net.ipv6.conf.all.disable_ipv6 = 1

Greetings

[Jamie Strandboge (jdstrand)]

Thank you for using ufw and reporting a bug. I was unable to reproduce this with ufw trunk. Can you try with that and report back?

[Tomás F. L. (v17564)]

I use the regular package of the distribution. I looking for the trunk for Manjaro (or Arch) and i found this link: https://code.launchpad.net/~jdstrand/ufw/trunk

If you indicate me as to proceed I will do it.

[Tomás F. L. (v17564)]

Hi Jamie.

The new version 0.34-1 solve the bug.

Thanks.

[Jamie Strandboge (jdstrand)]

Thanks for reporting back.