Re: Problem with libpq3 & postgresql8

From: vishal saberwal <vishalsaberwal(at)gmail(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: "Alex R(dot) Mosteo" <alejandro(at)mosteo(dot)com>, pgsql-general(at)postgresql(dot)org
Subject: Re: Problem with libpq3 & postgresql8
Date: 2005-09-22 00:08:21
Message-ID: 3e74dc2505092117085182b515@mail.gmail.com
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hi,
tom and many others helped me with someting similar to this.

Check for the following:
(a) in /usr/lib check what libpq you have installed. It should be
libpq3.2or higher. If it is not, you can copy from your compiled
source and then
create the symbolic links there.
(b) Try using etheral and see what is going through and what is happening.
It really helps.
(c) You need to have keys on each (client and server side). What
certificates are you using (self signed or commercial). I did mine with
self-signed and it worked. My certificates go in /var/lib/pgsql
(d) Have your pg_hba.conf set up for openssl.
(e) Have the connection string give sslmode=allow
(f) when you use psql, use /usr/local/pgsql/bin/psql instead of directly
writing psql (that searches in /usr/bin in my machine and it isnt the right
version) ...

[root(at)localhost DBApi]# ls -l /usr/lib/libpq*
-rw-r--r-- 1 postgres root 1480452 Mar 10 2004 /usr/lib/libpq.a
lrwxrwxrwx 1 postgres root 21 Aug 29 15:00 /usr/lib/libpq.so ->
/usr/lib/libpq.so.3.2
lrwxrwxrwx 1 postgres root 21 Aug 29 14:59 /usr/lib/libpq.so.3 ->
/usr/lib/libpq.so.3.2
-rwxr-xr-x 1 postgres root 113988 Mar 10 2004 /usr/lib/libpq.so.3.1
-rwxr-xr-x 1 postgres root 122177 Aug 26 12:55 /usr/lib/libpq.so.3.2

"allow" attempts a non-SSL connection first, whereas
"prefer" attempts an SSL connection first. If the server permits
non-SSL connections then "allow" will get you connected as non-SSL
without ever attempting SSL.

thanks,
vish

On 9/21/05, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>
> "Alex R. Mosteo" <alejandro(at)mosteo(dot)com> writes:
> > About the certificate thing, I'm not sure what you mean, but I've
> > configured the pg_hba.conf file useing hostnossl. I see this line in the
> > server log:
> > LOG: no se pudo aceptar una conexión SSL: se detectó EOF
> > Which translates to: "Couldn't accept a SSL connection: EOF detected"
> > but this message only appears after I kill the client process, which
> > could mean that indeed the connection is alive and hung.
>
> Hm. Does it work if you add "sslmode = disable" to your connection
> string?
>
> What's the platform exactly, and exactly which PG 8.0.* release are you
> using? For that matter, are you sure you are linking your program to
> the 8.0 libpq.so, and not still the 7.4 one?
>
> regards, tom lane
>
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