Package: netbase
Version: 4.40
Severity: normal

*** Please type your report below this line ***

Default value of net.ipv6.bindv6only should revert to 0.


1. RFC 3493 explicitly allows applications to use AF_INET6 socket
to receive IPv4 connection.

2. If some applications want to restrict their use of an AF_INET6
socket to IPv6 communications only, they can use IPV6_V6ONLY.
It is effective even if net.ipv6.bindv6only is 0.
(In addition, RFC 3493 explicitly says IPV6_V6ONLY is turned off
(0) by default.)

3. Default value of net.ipv6.bindv6only is 0 in Linux kernel and
other Linux distributions.  We should never introduce such
meaningless incompatibility.


If an application does not work with net.ipv6.bindv6only = 1, it
does not mean that program is broken.

But if an application does not work with net.ipv6.bindv6only = 0,
it's broken as Linux application.


-- System Information:
Debian Release: squeeze/sid
  APT prefers unstable
  APT policy: (500, 'unstable')
Architecture: amd64 (x86_64)

Kernel: Linux 2.6.32.7 (SMP w/2 CPU cores)
Locale: LANG=ja_JP.UTF-8, LC_CTYPE=ja_JP.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages netbase depends on:
ii  initscripts                   2.87dsf-10 scripts for initializing and shutt
ii  lsb-base                      3.2-23     Linux Standard Base 3.2 init scrip

Versions of packages netbase recommends:
ii  ifupdown                      0.6.10     high level tools to configure netw

netbase suggests no packages.

-- no debconf information


-- 
Kazuo Oishi



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