[syslog-ng] error='self signed certificate in certificate chain'

[Girish Kumar]

Thanks  Robert.
With required-untrusted,  I am able to communicate with syslog-ng server with TLS encryption.

I want to establish mutual authentication and need required-trusted option

Could you please let me know how to solve the following certificate issue with required-trusted option
Regards,
Girish

From: syslog-ng-bounces at lists.balabit.hu [mailto:syslog-ng-bounces at lists.balabit.hu] On Behalf Of Fekete, Róbert
Sent: Friday, March 11, 2016 7:05 PM
To: Syslog-ng users' and developers' mailing list
Subject: Re: [syslog-ng] error='self signed certificate in certificate chain'

Hi,

try setting the peer-verify option to required-untrusted (https://www.balabit.com/sites/default/files/documents/syslog-ng-ose-latest-guides/en/syslog-ng-ose-guide-admin/html/tlsoptions.html#tls-options-peer-verify)

HTH,
Robert

On Fri, Mar 11, 2016 at 2:28 PM, Girish Kumar <girish.kumar at al-enterprise.com<mailto:girish.kumar at al-enterprise.com>> wrote:
Hi All,
I am getting following error while starting syslog-ng with tls option. Could you please help me  on this

Mar 12 18:14:24 (none) syslog-ng[6136]: Syslog connection established; fd='5', server='AF_INET(10.135.83.103:6514)', local='AF_INET(0.0.0.0:0<http://0.0.0.0:0>)'
Mar 12 18:14:24 (none) syslog-ng[6136]: Certificate validation failed; subject='emailAddress=giri at gmail.com<mailto:giri at gmail.com>, CN=girish kumar, OU=esd, O=enterprise, L=BAN, ST=KA, C=IN', issuer='emailAddress=giri at gmail.com<mailto:giri at gmail.com>, CN=girish kumar, OU=esd, O=enterprise, L=BAN, ST=KA, C=IN', error='self signed certificate in certificate chain', depth='1'
Mar 12 18:14:24 (none) syslog-ng[6136]: SSL error while writing stream; tls_error='SSL routines:ssl3_get_server_certificate:certificate verify failed'
Mar 12 18:14:24 (none) syslog-ng[6136]: I/O error occurred while writing; fd='5', error='Broken pipe (32)'
Mar 12 18:14:24 (none) syslog-ng[6136]: Syslog connection broken; fd='5', server='AF_INET(10.135.83.103:6514)', time_reopen='60'


//server conf
source d_source {
          #syslog(ip("mysyslog.server.com<http://mysyslog.server.com>") port(6514)
          syslog(ip("10.135.83.103") port(6514)
                    transport("tls")
             tls( key_file("/etc/cert.d/mySerPrivate.key")
             cert_file("/etc/cert.d/mySerCert.pem")
             ca_dir("/etc/ca.d")
             ssl-options(no-sslv2, no-sslv3, no-tlsv1, no-tlsv11)
        )
    );
};

//Client conf
destination d_destination {
    #syslog("mysyslog.server.com<http://mysyslog.server.com>" port(6514)
    syslog("10.135.83.103" port(6514)
                        transport("tls")
        tls( ca_dir("/etc/ca.d")
         key_file("/etc/cert.d/myCliPrivate.key")
         cert_file("/etc/cert.d/myCliCert.pem")
         ssl-options(no-sslv2, no-sslv3, no-tlsv1, no-tlsv11)
         )
    );
};

Regard,
Girish

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