FW: Setting up SSL for postgre

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От Mark Williams
Тема FW: Setting up SSL for postgre
Дата
Msg-id 000e01d43e32$f35aad40$da1007c0$@gmail.com
обсуждение исходный текст
Ответ на Setting up SSL for postgre  ("Mark Williams" <markwillimas@gmail.com>)
Ответы Re: FW: Setting up SSL for postgre  (Tim Cross <theophilusx@gmail.com>)
Список pgsql-admin

 

 

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From: Mark Williams <markwillimas@gmail.com>
Sent: 25 August 2018 18:14
To: 'Wim Bertels' <wim.bertels@ucll.be>
Subject: RE: Setting up SSL for postgre

 

Hi Wim,

 

I don’t understand. If I don’t include the password option, the connection will be refused because I have not included it.

 

I am connecting via PGAdmin with the same user ie postgres.

 

Re the log on the “windows machine” both server and client are windows machines. Which log should I check?

 

Finally, I’m pretty sure FireDAC doesn’t any restrictions on self-certified connections. I connect to MySQL over SSL via FireDAC with a self-certified certificate.

 

Thanks

 

Mark

 

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From: Wim Bertels <wim.bertels@ucll.be>
Sent: 24 August 2018 10:59
To: Mark Williams <markwillimas@gmail.com>; pgsql-admin@lists.postgresql.org; s.dunand@sirap.fr
Subject: Re: Setting up SSL for postgre

 

Hallo Mark,

 

you should not include the password option,

so possibly you are connecting with the password in pgadmin (with another user) .. instead of the cert meth;

 

another option: check the posgresql log on the windows machine

 

sslmode=require: firedac might require a valid (official or installed) certificate?

 

maybe check:

https://www.postgresql.org/docs/current/static/auth-methods.html#AUTH-CERT

https://www.postgresql.org/docs/10/static/runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SECURITY

https://www.postgresql.org/docs/10/static/ssl-tcp.html

https://www.postgresql.org/docs/10/static/libpq-ssl.html

 

hth,

Wim

 


Van: Mark Williams <markwillimas@gmail.com>
Verzonden: donderdag 23 augustus 2018 18:53
Aan: Wim Bertels; pgsql-admin@lists.postgresql.org; s.dunand@sirap.fr
Onderwerp: RE: Setting up SSL for postgre

 

Hi Wim,

 

I did intend Cert aut (at least I think I did!).

 

Still cannot connect to postgre database from my client app using FireDAC. I can connect fine from PGAdmin3 on the same machine using the same certificates.

 

The call made by FireDAC to libPQ.Dll is the following:

 

PQconnectdb [ConnInfo=hostaddr=192.168.0.12 port=5432 dbname=rees user=postgres password=*** connect_timeout=10 sslmode=require sslrootcert=C:\ProgramData\MWC\Viewer\Certs\root.crt sslcert=C:\ProgramData\MWC\Viewer\Certs\postgresql.crt sslkey=C:\ProgramData\MWC\Viewer\Certs\postgresql.key password=1234, Result=$0000000003B262B0]

13222564840001 17:41:04.681      . ERROR: connection requires a valid client certificate [Status=1]

 

The SSLmode is set to require when I connect with PGAdmin. So presumably, there is no problem with the certificates. Is there anything that jumps out from the FireDAC output as to why the SSL connection doesn’t work?

 

Many thanks,

 

Mark

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From: Wim Bertels <wim.bertels@ucll.be>
Sent: 22 August 2018 09:19
To: Mark Williams <markwillimas@gmail.com>; pgsql-admin@lists.postgresql.org; s.dunand@sirap.fr
Subject: Re: Setting up SSL for postgre

 

Hallo Mark,

 

as i quickly read the error message in your question,

these we're my first suggestions.

 

either

* did you intent cert aut for the postgres user?

* u use a selfsigned certificate, hence software that checks for the validity will fail or ask for this

** using for example the free, but official letsencrypt certificates this should be solved

 

hth,

Wim

 


Van: Mark Williams <markwillimas@gmail.com>
Verzonden: maandag 20 augustus 2018 16:51
Aan: Wim Bertels;
pgsql-admin@lists.postgresql.org; s.dunand@sirap.fr
Onderwerp: RE: Setting up SSL for postgre

 

Hi,

 

Sorry I don’t understand what you are suggesting re the pg_hba file.

 

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From: Wim Bertels <wim.bertels@ucll.be>
Sent: 20 August 2018 14:30
To:
pgsql-admin@lists.postgresql.org; s.dunand@sirap.fr
Subject: Re: Setting up SSL for postgre

 

 

 

pg_hba.conf

# TYPE  DATABASE        USER            CIDR-ADDRESS            METHOD

 

# IPv4 local & remote connections:

host    all             all             127.0.0.1/32            trust

hostssl all         postgres    0.0.0.0/0             cert

 

cert method for auth, hence this behaviour (client cert..)

 

extra tip:

https://duckduckgo.com/?q=letsencrypt+postgresql

for official server side certificates

 

mvg,

 Bertels Wim

 

Mark

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This page helped me :
https://www.depesz.com/2015/05/11/how-to-setup-ssl-connections-and-authentication/

Best regards,
Stéphane

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