summaryrefslogtreecommitdiffstats
path: root/README.dbk
diff options
context:
space:
mode:
Diffstat (limited to 'README.dbk')
-rw-r--r--README.dbk14
1 files changed, 10 insertions, 4 deletions
diff --git a/README.dbk b/README.dbk
index 37cd8d4..c34822d 100644
--- a/README.dbk
+++ b/README.dbk
@@ -139,19 +139,25 @@ ip6tables -t mangle -A POSTROUTING -o eth0 -s FD01:0203:0405::/48 -j SNPTV6 --to
ip6tables -t mangle -A PREROUTING -d 2001:0DB8:0001::/48 -j DNPTV6 --to-destination FD01:0203:0405::/48
ip6tables -t mangle -A POSTROUTING -m mark --mark 42 -s FD01:0203:0405::/48 -j SNPTV6 --to-source 2001:0DB8:0001::/48
ip6tables -t mangle -A POSTROUTING -o eth0 -s FD01:0203:0405::/48 -j SNPTV6 --to-source 2001:0DB8:0001::/48</programlisting>
+
+ <para>If the router running NPTv6 is offering services itself, additional
+ rules are necessary for the services to be reachable by the external address:</para>
+
+ <programlisting>ip6tables -t mangle -A OUTPUT -d 2001:0DB8:0001::/48 -j MARK --set-mark 42
+ip6tables -t mangle -A OUTPUT -d 2001:0DB8:0001::/48 -j DNPTV6 --to-destination FD01:0203:0405::/48
+ip6tables -t mangle -A INPUT -m mark --mark 42 -s FD01:0203:0405::/48 -j SNPTV6 --to-source 2001:0DB8:0001::/48</programlisting>
</section>
</section>
<section id="precedence">
<title id="precedence-title">IPv6/IPv4 Precedence</title>
- <para>With (EKU)buntu and eventually with RedHat, you will notice that
+ <para>With most Linux distributions you will notice that
your browser does not show the IPv6 version of a web site that is
multi-homed when using ULA addresses for your IPv6 Internet connection.
The reason for this is an add on to the RFC 3484 rules that is compiled
- into the (EKU)buntu libc. The pre-installed
- <filename>/etc/gai.conf</filename> file will give you a hint on
- this.</para>
+ into the libc. The pre-installed <filename>/etc/gai.conf</filename> file
+ will give you a hint on this.</para>
<para>In short: the getaddrinfo() library function rates a private IPv4
address higher than the ULA IPv6 address when choosing the transport