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><A
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>stunnel HOWTO</A
></H1
><P
>Contributed by <A
HREF="mailto:bradleyb@u.washington.edu"
TARGET="_top"
>Bradley Bell</A
>.</P
><P
>To set up FreeTDS over stunnel between a Linux webserver and a W2k SQL server:</P
><P
></P
><OL
TYPE="1"
><LI
><P
>Get unencrypted freetds working</P
></LI
><LI
><P
>Install openssl and stunnel on the Linux box:
					<A
HREF="http://www.stunnel.org/"
TARGET="_top"
>stunnel.org</A
></P
></LI
><LI
><P
>Download the <A
HREF="http://www.stunnel.org/download/binaries.html"
TARGET="_top"
>stunnel binary</A
> and openssl dll's for Windows.</P
></LI
><LI
><P
>Generate stunnel.pem (complete with Diffie-Hellman parameters) for
					placement on the W2k box. See <A
HREF="http://www.stunnel.org/faq/certs.html"
TARGET="_top"
>instructions</A
> in the stunnel FAQ.</P
></LI
><LI
><P
>Start stunnel on the W2k box:</P
><PRE
CLASS="SCREEN"
>	<SAMP
CLASS="PROMPT"
>$ </SAMP
><KBD
CLASS="USERINPUT"
>stunnel.exe -d 61666 -r localhost:1433</KBD
></PRE
><P
>61666 is just an arbitrary port number.</P
></LI
><LI
><P
>Start stunnel on the Linux box:</P
><PRE
CLASS="SCREEN"
>	<SAMP
CLASS="PROMPT"
>$ </SAMP
><KBD
CLASS="USERINPUT"
>stunnel -c -d 1433 -r <TT
CLASS="REPLACEABLE"
><I
>win2kserver</I
></TT
>:61666</KBD
></PRE
><P
>where <TT
CLASS="REPLACEABLE"
><I
>win2kserver</I
></TT
> is the hostname or IP address of the W2k box.</P
></LI
><LI
><P
>Set up FreeTDS to use the tunnel.  If this is your unencrypted entry in
					<TT
CLASS="FILENAME"
>freetds.conf</TT
>:</P
><DIV
CLASS="EXAMPLE"
><A
NAME="E.G.UNENCRYPTED"
></A
><P
><B
>Example 5-9. Unencrypted entry in <TT
CLASS="FILENAME"
>freetds.conf</TT
></B
></P
><PRE
CLASS="PROGRAMLISTING"
>	[win2kserver]
	host = win2kserver
	port = 1433
	</PRE
></DIV
><P
>   the encrypted equivalent uses:</P
><DIV
CLASS="EXAMPLE"
><A
NAME="E.G.ENCRYPTED"
></A
><P
><B
>Example 5-10. Encrypted entry in <TT
CLASS="FILENAME"
>freetds.conf</TT
></B
></P
><PRE
CLASS="PROGRAMLISTING"
>	[win2kserver]
	host = localhost
	port = 1433
	</PRE
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