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-rw-r--r--FAQ.xml43
1 files changed, 33 insertions, 10 deletions
diff --git a/FAQ.xml b/FAQ.xml
index 9729ba5b..85f6eae9 100644
--- a/FAQ.xml
+++ b/FAQ.xml
@@ -17,7 +17,7 @@
- PERFORMANCE OF THIS SOFTWARE.
-->
-<!-- $Id: FAQ.xml,v 1.30.26.3 2008/02/25 05:08:10 marka Exp $ -->
+<!-- $Id: FAQ.xml,v 1.30.26.4 2008/06/04 02:51:13 tbox Exp $ -->
<article class="faq">
<title>Frequently Asked Questions about BIND 9</title>
@@ -706,8 +706,7 @@ zone "list.dsbl.org" {
requests are coming from a Windows 2000 machine, see
<ulink
url="http://support.microsoft.com/support/kb/articles/q246/8/04.asp">
- http://support.microsoft.com/support/kb/articles/q246/8/04.asp
- </ulink>
+ &lt;http://support.microsoft.com/support/kb/articles/q246/8/04.asp&gt;</ulink>
for information about how to turn them off.
</para>
</answer>
@@ -857,7 +856,7 @@ serial-query-rate 5; // default 20</programlisting>
usage rules and are leaking queries to the Internet. You
should establish your own zones for these addresses to prevent
you querying the Internet's name servers for these addresses.
- Please see <ulink url="http://as112.net/">http://as112.net/</ulink>
+ Please see <ulink url="http://as112.net/">&lt;http://as112.net/&gt;</ulink>
for details of the problems you are causing and the counter
measures that have had to be deployed.
</para>
@@ -1010,7 +1009,31 @@ client: UDP client handler shutting down due to fatal receive error: unexpected
</para>
<para>
See:
- <ulink url="http://marc.theaimsgroup.com/?l=linux-netdev&amp;m=113081708031466&amp;w=2">http://marc.theaimsgroup.com/?l=linux-netdev&amp;m=113081708031466&amp;w=2</ulink>
+ <ulink url="http://marc.theaimsgroup.com/?l=linux-netdev&amp;m=113081708031466&amp;w=2">&lt;http://marc.theaimsgroup.com/?l=linux-netdev&amp;m=113081708031466&amp;w=2&gt;</ulink>
+ </para>
+ </answer>
+ </qandaentry>
+
+ <qandaentry>
+ <question>
+ <para>
+ Why does named lock up when it attempts to connect over IPSEC tunnels?
+ </para>
+ </question>
+ <answer>
+ <para>
+ This is due to a kernel bug where the fact that a socket is marked
+ non-blocking is ignored. It is reported that setting
+ xfrm_larval_drop to 1 helps but this may have negative side effects.
+ See:
+<ulink url="https://bugzilla.redhat.com/show_bug.cgi?id=427629">&lt;https://bugzilla.redhat.com/show_bug.cgi?id=427629&gt;</ulink>
+ and
+<ulink url="http://lkml.org/lkml/2007/12/4/260">&lt;http://lkml.org/lkml/2007/12/4/260&gt;</ulink>.
+ </para>
+ <para>
+ xfrm_larval_drop can be set to 1 by the following procedure:
+<programlisting>
+echo "1" &gt; proc/sys/net/core/xfrm_larval_drop</programlisting>
</para>
</answer>
</qandaentry>
@@ -1101,8 +1124,9 @@ modprobe capability</programlisting>
<para>
Red Hat have adopted the National Security Agency's
- SELinux security policy ( see http://www.nsa.gov/selinux
- ) and recommendations for BIND security , which are more
+ SELinux security policy (see <ulink
+ url="http://www.nsa.gov/selinux">&lt;http://www.nsa.gov/selinux&gt;</ulink>)
+ and recommendations for BIND security , which are more
secure than running named in a chroot and make use of
the bind-chroot environment unnecessary .
</para>
@@ -1341,8 +1365,7 @@ rand_irqs="3 14 15"</programlisting>
<para>
See also
<ulink url="http://people.freebsd.org/~dougb/randomness.html">
- http://people.freebsd.org/~dougb/randomness.html
- </ulink>
+ &lt;http://people.freebsd.org/~dougb/randomness.html&gt;</ulink>.
</para>
</answer>
</qandaentry>
@@ -1364,7 +1387,7 @@ rand_irqs="3 14 15"</programlisting>
<para>
<ulink
url="http://blogs.sun.com/roller/page/anay/Weblog?catname=%2FSolaris">
- http://blogs.sun.com/roller/page/anay/Weblog?catname=%2FSolaris
+ &lt;http://blogs.sun.com/roller/page/anay/Weblog?catname=%2FSolaris&gt;
</ulink>
</para>
</answer>