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><A
NAME="CONFIGFILE-CLIENTS"
>C.16. Clients</A
></H1
><P
>This section is relevant for <SPAN
CLASS="APPLICATION"
>yule</SPAN
> only. Section heading:</P
><P
><B
CLASS="COMMAND"
>[Clients]</B
></P
><P
>Entries must be of the form:</P
><P
><B
CLASS="COMMAND"
>Client=<TT
CLASS="REPLACEABLE"
><I
>hostname@salt@verifier</I
></TT
></B
></P
><P
>See <A
HREF="clients.html"
>Section 6.3</A
>> on how to compute a valid entry.</P
><P
>The hostname must be the same name that the client retrieves from
the host on which it runs. Usually, this will be a fully qualified
hostname, no numerical address. However, there is no method
that guarantees to yield the fully qualified hostname (it is not
even guaranteed that a host has one ...).
The only way to know for sure is to set up the client, and check
whether the connection is refused by the server with a message like
<B
CLASS="COMMAND"
>Connection attempt from unregistered host <TT
CLASS="REPLACEABLE"
><I
>hostname</I
></TT
></B
>
In that case, <SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>hostname</I
></SPAN
> is what you should use.</P
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>Problems and oddities encountered in client/server setups (like
client messages from <SPAN
CLASS="emphasis"
><I
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>127.0.0.1</I
></SPAN
>, server
warnings about unknown/unresolved peer, etc. are
<SPAN
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><I
CLASS="EMPHASIS"
>always</I
></SPAN
> (at least so far) due to
incorrect configuration of the DNS or the /etc/hosts file.</P
><P
>A surprisingly large number of hosts are not able to determine
the own hostname, or reverse lookup adresses on the own local
network. Don't bother asking about such problems — fix
your DNS.</P
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