Date: Thu, 23 May 2013 11:51:34 +0000 (UTC) From: Tom Rhodes <trhodes@FreeBSD.org> To: doc-committers@freebsd.org, svn-doc-projects@freebsd.org Subject: svn commit: r41721 - projects/ISBN_1-57176-407-0/en_US.ISO8859-1/books/handbook/advanced-networking Message-ID: <201305231151.r4NBpYaA081350@svn.freebsd.org>
index | next in thread | raw e-mail
Author: trhodes Date: Thu May 23 11:51:34 2013 New Revision: 41721 URL: http://svnweb.freebsd.org/changeset/doc/41721 Log: Discuss (in brief) RFC 3943 sections 3.6 and 3.7. PR: 99506 Reviewed by: bjk Modified: projects/ISBN_1-57176-407-0/en_US.ISO8859-1/books/handbook/advanced-networking/chapter.xml Modified: projects/ISBN_1-57176-407-0/en_US.ISO8859-1/books/handbook/advanced-networking/chapter.xml ============================================================================== --- projects/ISBN_1-57176-407-0/en_US.ISO8859-1/books/handbook/advanced-networking/chapter.xml Thu May 23 11:49:19 2013 (r41720) +++ projects/ISBN_1-57176-407-0/en_US.ISO8859-1/books/handbook/advanced-networking/chapter.xml Thu May 23 11:51:34 2013 (r41721) @@ -5438,6 +5438,30 @@ redirect_port tcp 192.168.0.3:80 80</pro subnet, nothing else needs to be changed. Otherwise, change the <literal>prefixlen#</literal> to the correct value.</para> </sect2> + + <sect2> + <title><acronym>IPv6</acronym> and <acronym>IPv6</acronym> + Address Mapping</title> + + <para>When <acronym>IPv6</acronym> is enabled on a server, there + may be a need to enable <acronym>IPv4</acronym> mapped + <acronym>IPv6</acronym> address communication. This + compatibility option allows for <acronym>IPv4</acronym> + addresses to be represented as <acronym>IPv6</acronym> + addresses. Permitting <acronym>IPv6</acronym> applications + to communicate with <acronym>IPv4</acronym> and vice versa + may be a security issue.</para> + + <para>This option may not be required in most cases and is + available only for compatibility while services are updated + to support <acronym>IPv6</acronym>. To enable the feature, + add the following to <filename>/etc/rc.conf</filename>:</para> + + <programlisting>ipv6_ipv4mapping="YES"</programlisting> + + <para>Reviewing the information in <acronym>RFC</acronym> 3493, + section 3.6 and 3.7 may be useful to some adminstrators.</para> + </sect2> </sect1> <sect1 id="network-atm">help
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201305231151.r4NBpYaA081350>