https://issues.apache.org/bugzilla/show_bug.cgi?id=55098

Kiri <[email protected]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEEDINFO                    |NEW

--- Comment #2 from Kiri <[email protected]> ---
Looking at
apachectl -V
, it appears that
--disable-v4-mapped
was not used at compile time, as there is no '-D' set for it.

In the environment and configuration I write about, bridging from IP6 to IP4
does not happen by default because
sysctl net.ipv6.bindv6only=1
is set.

I have just tried to see whether apache setting those socket options caused the
connections to be bridged or mapped. It does not. That is a good thing because
if it did, it would be a security hole.

Since, as desired, incoming IP4 connections are not connected to IP6 listening
ports in this configuration,
the network addresses for IP4 and IP6 are effectively fully separated
(presuming there is no bug in Linux).

As a consequence, a TCP connection attempting to connect to 127.0.0.1:80 will
not reach a listener on [::]:80.

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