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postgresql8.2-docs-8.2.14-1mdv2010.0.i586.rpm

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>29.13. The Password File</A
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><P
>The file <TT
CLASS="FILENAME"
>.pgpass</TT
> in a user's home directory or the
file referenced by <TT
CLASS="ENVAR"
>PGPASSFILE</TT
> can contain passwords to
be used if the connection requires a password (and no password has been
specified  otherwise). On Microsoft Windows the file is named
<TT
CLASS="FILENAME"
>%APPDATA%\postgresql\pgpass.conf</TT
> (where
<TT
CLASS="FILENAME"
>%APPDATA%</TT
> refers to the Application Data subdirectory in
the user's profile).</P
><P
>This file should contain lines of the following format:
</P><PRE
CLASS="SYNOPSIS"
><TT
CLASS="REPLACEABLE"
><I
>hostname</I
></TT
>:<TT
CLASS="REPLACEABLE"
><I
>port</I
></TT
>:<TT
CLASS="REPLACEABLE"
><I
>database</I
></TT
>:<TT
CLASS="REPLACEABLE"
><I
>username</I
></TT
>:<TT
CLASS="REPLACEABLE"
><I
>password</I
></TT
></PRE
><P>
Each of the first four fields may be a literal value, or <TT
CLASS="LITERAL"
>*</TT
>,
which matches anything.  The password field from the first line that matches the
current connection parameters will be used.  (Therefore, put more-specific
entries first when you are using wildcards.)
If an entry needs to contain <TT
CLASS="LITERAL"
>:</TT
> or
<TT
CLASS="LITERAL"
>\</TT
>, escape this character with <TT
CLASS="LITERAL"
>\</TT
>.
A host name of <TT
CLASS="LITERAL"
>localhost</TT
> matches both TCP (hostname
<TT
CLASS="LITERAL"
>localhost</TT
>) and Unix domain socket (<TT
CLASS="LITERAL"
>pghost</TT
> empty or the
default socket directory) connections coming from the local machine.</P
><P
>The permissions on <TT
CLASS="FILENAME"
>.pgpass</TT
> must disallow any
access to world or group; achieve this by the command
<TT
CLASS="COMMAND"
>chmod 0600 ~/.pgpass</TT
>.
If the permissions are less strict than this, the file will be ignored.
(The file permissions are not currently checked on Microsoft Windows,
however.)</P
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