Re: no verification of client certificate?

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Thanks, I'll see if I can test that this morning.  

A minor suggestion, perhaps said config or perhaps a reference to the
Chapter 29. libpq - C Library could be added to the section on ssl:

http://www.postgresql.org/docs/8.2/interactive/ssl-tcp.html

If you don't mind, how do you use ssldump to trace a psql setup?
That would be very helpful to know.




On Sun, Mar 25, 2007 at 11:21:25PM -0600, Michael Fuhr wrote:
> On Mon, Mar 26, 2007 at 12:04:21AM -0400, Tom Lane wrote:
> > Well, if it works then why is the OP complaining?
> > 
> > Perhaps there is some non-obvious configuration issue that accounts
> > for the difference between your results and his?
> 
> I don't see in the OP's messages that he's tried the configuration
> I used.  He said he was using the following:
> 
> > > no root.crt in the data dir
> > > no .postgresql/    <--- this is what made me think there was no server verification
> > > server.crt/key in the data dir
> > > pg_hba.conf set to hostssl
> > > PGSSLMODE=required or prefer
> 
> My test configuration looks the same on the server but different
> on the client:
> 
> Server, in $PGDATA
> ==================
> server.key
> server.crt (signed by some CA)
> no root.crt
> 
> Client, in ~/.postgresql
> ========================
> root.crt (for the CA that signed server.crt)
> no postgresql.key or postgresql.crt
> 
> The OP did say that 
> 
> > > When I first looked at the ssl doc, I didn't see any description of
> > > installing the root ca on the client.  This seemed odd.  On my web client,
> > > when I need to verify the server crt, I install the appropriate ca in
> > > the client.
> 
> The "SSL Support" section of the libpq documentation mentions
> installing root.crt on the client:
> 
> http://www.postgresql.org/docs/8.2/interactive/libpq-ssl.html
> 
> "If the file ~/.postgresql/root.crt is present in the user's home
> directory, libpq will use the certificate list stored therein to
> verify the server's certificate.  (On Microsoft Windows the file is
> named %APPDATA%\postgresql\root.crt.)  The SSL connection will fail
> if the server does not present a certificate; therefore, to use
> this feature the server must also have a root.crt file."
> 
> The requirement that the server have a root.crt appears to be
> incorrect, at least in the tests I ran.  Unless somebody can justify
> that statement I'll submit a documentation patch to correct it.
> 
> -- 
> Michael Fuhr


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