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Code Issues Releases Wiki Activity

document SIG(0) support.

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This commit is contained in:
Brian Wellington
2002-01-29 23:30:12 +00:00
parent f5cb884c84
commit a20b2c5f53
1 changed files with 17 additions and 7 deletions
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24
bin/nsupdate/nsupdate.docbook
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@@ -16,7 +16,7 @@
- WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-->
<!-- $Id: nsupdate.docbook,v 1.9 2001/11/27 18:55:20 gson Exp $ -->
<!-- $Id: nsupdate.docbook,v 1.10 2002/01/29 23:30:12 bwelling Exp $ -->
<refentry>
<refentryinfo>
@@ -81,10 +81,10 @@ made and the replies received from the name server.
<para>
Transaction signatures can be used to authenticate the Dynamic DNS
updates.
These use the TSIG resource record type described in RFC2845.
The signatures rely on a shared secret that should only be known to
<command>nsupdate</command>
and the name server.
These use the TSIG resource record type described in RFC2845 or the
SIG(0) record described in RFC3535 and RFC2931.
TSIG relies on a shared secret that should only be known to
<command>nsupdate</command> and the name server.
Currently, the only supported encryption algorithm for TSIG is
HMAC-MD5, which is defined in RFC 2104.
Once other algorithms are defined for TSIG, applications will need to
@@ -99,6 +99,8 @@ statements would be added to
so that the name server can associate the appropriate secret key
and algorithm with the IP address of the
client application that will be using TSIG authentication.
SIG(0) uses public key cryptography. To use a SIG(0) key, the public
key must be stored in a KEY record in a zone served by the name server.
<command>nsupdate</command>
does not read
<filename>/etc/named.conf</filename>.
@@ -109,8 +111,8 @@ uses the
<option>-y</option>
or
<option>-k</option>
option to provide the shared secret needed to generate a TSIG record
for authenticating Dynamic DNS update requests.
option (with an HMAC-MD5 key) to provide the shared secret needed to generate
a TSIG record for authenticating Dynamic DNS update requests.
These options are mutually exclusive.
With the
<option>-k</option>
@@ -144,6 +146,11 @@ This may be visible in the output from
or in a history file maintained by the user's shell.
</para>
<para>
The <option>-k</option> may also be used to specify a SIG(0) key used
to authenticate Dynamic DNS update requests. In this case, the key
specified is not an HMAC-MD5 key.
</para>
<para>
By default
<command>nsupdate</command>
uses UDP to send update requests to the name server.
@@ -537,6 +544,9 @@ base-64 encoding of HMAC-MD5 key created by
<refentrytitle>RFC2535</refentrytitle>
</citerefentry>,
<citerefentry>
<refentrytitle>RFC2931</refentrytitle>
</citerefentry>,
<citerefentry>
<refentrytitle>named</refentrytitle><manvolnum>8</manvolnum>
</citerefentry>,
<citerefentry>