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2020-08-31 b1ae70b3b4 01bcfe705d bdfd83f4a4 361217659d a8591cbb40 0756921abe 8924ca865b docs: clarify intermediate certificate creation instructions
* Openssl v3_ca
@ 2020-08-24 17:56 Bruce Momjian <bruce@momjian.us>
2020-08-31 20:21 ` Re: Openssl v3_ca Bruce Momjian <bruce@momjian.us>
0 siblings, 1 reply; 4+ messages in thread
From: Bruce Momjian @ 2020-08-24 17:56 UTC (permalink / raw)
To: pgsql-docs
A few years ago I figured out how to create intermediate certificates
that are transferred across OpenSSL connections by using the v3_ca
extension, and added this to the PG documentation.
I have now just figured out that v3_ca is just a heading in the openssl
configuration file, e.g., /etc/ssl/openssl.cnf, and that it is
specifically this line that enables this to work:
basicConstraints = critical,CA:true
I have created the attached documentation patch to clarify exactly what
is needed, in case non-openssl tools are used.
--
Bruce Momjian <bruce@momjian.us> https://momjian.us
EnterpriseDB https://enterprisedb.com
The usefulness of a cup is in its emptiness, Bruce Lee
Attachments:
v3_ca.diff (text/x-diff, 689B) download
diff --git a/doc/src/sgml/runtime.sgml b/doc/src/sgml/runtime.sgml
index c8698898f3..f705c4fec1 100644
--- a/doc/src/sgml/runtime.sgml
+++ b/doc/src/sgml/runtime.sgml
@@ -2194,7 +2194,8 @@ pg_dumpall -p 5432 | psql -d postgres -p 5433
can also be appended to the file. Doing this avoids the necessity of
storing intermediate certificates on clients, assuming the root and
intermediate certificates were created with <literal>v3_ca</literal>
- extensions. This allows easier expiration of intermediate certificates.
+ extensions (which sets <literal>CA:TRUE</literal> on certificates).
+ This allows easier expiration of intermediate certificates.
</para>
<para>
* Re: Openssl v3_ca
2020-08-24 17:56 Openssl v3_ca Bruce Momjian <bruce@momjian.us>
@ 2020-08-31 20:21 ` Bruce Momjian <bruce@momjian.us>
0 siblings, 0 replies; 4+ messages in thread
From: Bruce Momjian @ 2020-08-31 20:21 UTC (permalink / raw)
To: Stephen Frost <sfrost@snowman.net>; +Cc: pgsql-docs
On Mon, Aug 24, 2020 at 04:52:24PM -0400, Bruce Momjian wrote:
> > While true, there's certainly other reasons why someone might want to
> > run intermediate CAs.. I'm not sure that we really need to go into the
> > discussion about why they make sense to have.
>
> Agreed. If we wanted to get into that, we would need to make a new doc
> section about it.
Applied.
--
Bruce Momjian <bruce@momjian.us> https://momjian.us
EnterpriseDB https://enterprisedb.com
The usefulness of a cup is in its emptiness, Bruce Lee
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