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note that disabling recursion does not prevent access to data

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that is already cached
This commit is contained in:
Andreas Gustafsson
2000-09-28 22:16:48 +00:00
parent f6b507b4c9
commit 7beb4ba7ef
1 changed files with 14 additions and 5 deletions
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19
doc/arm/Bv9ARM-book.xml
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@@ -2,7 +2,7 @@
<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.0//EN"
"http://www.oasis-open.org/docbook/xml/4.0/docbookx.dtd">
<!-- File: $Id: Bv9ARM-book.xml,v 1.14 2000/09/28 18:57:40 gson Exp $ -->
<!-- File: $Id: Bv9ARM-book.xml,v 1.15 2000/09/28 22:16:48 gson Exp $ -->
<book>
@@ -2619,9 +2619,15 @@ to crash<varname>.</varname></para></entry>
<entry colname = "1"><para><command>recursion</command></para></entry>
<entry colname = "2"><para>If <userinput>yes</userinput>, and a
DNS query requests recursion, then the server will attempt to do
all the work required to answer the query. If recursion is not on,
the server will return a referral to the client if it doesn't know
the answer. The default is <userinput>yes</userinput>. See also <command>fetch-glue</command> above.</para></entry>
all the work required to answer the query. If recursion is off
and the server does not already know the answer, it will return a
referral response. The default is <userinput>yes</userinput>.
Note that setting <command>recursion no;</command> does not prevent
clients from getting data from the server's cache; it only
prevents new data from being cached as an effect of client queries.
Caching may still occur as an effect the server's internal
operation, such as NOTIFY address lookups.
See also <command>fetch-glue</command> above.</para></entry>
</row>
<row rowsep = "0">
<entry colname = "1"><para><command>rfc2308-type1</command></para></entry>
@@ -2770,7 +2776,10 @@ not specified, the default is to allow queries from all hosts.</para></entry>
<entry colname = "1"><para><command>allow-recursion</command></para></entry>
<entry colname = "2"><para>Specifies which hosts are allowed to
make recursive queries through this server. If not specified, the
default is to allow recursive queries from all hosts. </para></entry>
default is to allow recursive queries from all hosts.
Note that disallowing recursive queries for a host does not prevent the
host from retrieving data that is already in the server's cache.
</para></entry>
</row>
<row rowsep = "0">
<entry colname = "1"><para><command>allow-transfer</command></para></entry>