[OpenSIPS-Users] Connect to AWS RDS database with SSL enabled

jacky z zjack0992 at gmail.com
Tue Sep 13 11:57:41 UTC 2022

Hi Bogdan-Andrei,

I tried two methods.

Method 1:

#enabled TLS connection:
modparam("db_mysql", "use_tls", 1)

#setup a client domain:
modparam("tls_mgm", "client_domain", "dom1")
modparam("tls_mgm", "match_ip_address", "[dom1]*")
modparam("tls_mgm", "match_sip_domain", "[dom1]*")
modparam("tls_mgm","certificate", "[dom1]/etc/ssl/certs/rootCACert.pem")
modparam("tls_mgm","private_key", "[dom1]/etc/ssl/private/rootCAKey.pem")
modparam("tls_mgm","ca_list", "[dom1]/etc/ssl/certs/rootCACert.pem")
modparam("tls_mgm","tls_method", "[dom1]SSLv23")
modparam("tls_mgm","verify_cert", "[dom1]0")
modparam("tls_mgm","require_cert", "[dom1]0")
# set db_url
modparam("usrloc", "db_url", "mysql://root:1234@

I couldn't figure out how to use global-bundle.pem AWS provided with this
method. No luck to get a connection with RDS. If I don't use ssl, opensips
can connect to RDS without encryption.

Method 2:

I tried

modparam("usrloc", "db_url", "mysql://root:1234@

to include the AWS cert. Still no luck.


On Tue, Sep 13, 2022 at 4:52 PM Bogdan-Andrei Iancu <bogdan at opensips.org>

> Hi,
> sorry for my silly question, but how do you connect from the OpenSIPS side
> ??
> Regards,
> Bogdan-Andrei Iancu
> OpenSIPS Founder and Developer
>   https://www.opensips-solutions.com
> OpenSIPS Summit 27-30 Sept 2022, Athens
>   https://www.opensips.org/events/Summit-2022Athens/
> On 9/13/22 10:41 AM, jacky z wrote:
> Hi Team,
> We hope to connect to aws RDS database with ssl encryption. We have setup
> a client domain according to OPENSIPS documents. However, AWS RDS does not
> support client cert as someone has confirmed with AWS
> https://stackoverflow.com/questions/53760104/how-to-configure-x509-client-certificate-based-authentication-to-connect-to-aws
> Is there any way to use the cert provided by AWS to connect? AWS provides
> a global-bundle.pem (
> https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/UsingWithRDS.SSL.html)
> for such a connection, but we don't know how to include it in the config
> file.
> Thanks
> Jacky z
> _______________________________________________
> Users mailing listUsers at lists.opensips.orghttp://lists.opensips.org/cgi-bin/mailman/listinfo/users
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