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</o:shapelayout></xml><![endif]--></head><body lang=ES link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span lang=EN-US>Hi Everyone,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>I am trying to build a .NET Client to connect to a RabbitMQ server and it requires authentication with a certificate and using SSL.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>I have installed:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>OpenSSL version 1.0.1<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Erlang version 5.10.2<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>RabbitMQ version 3.1.3<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>RabbitMQ Dotnet Client version 2.4.1<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>All of this is installed on Windows XP.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>In the RabbitMQ support for SSL page it suggests loading the certificate from the certificate store and setting ConnectionFactory's Ssl.Certs parameter. I am attempting to use code similar to the following, which I found on the internet, to achieve this:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>X509Store store = new X509Store(StoreName.My, StoreLocation.CurrentUser);<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>store.Open(OpenFlags.ReadOnly);<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>X509Certificate cert = store.Certificates<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> .Find(<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> X509FindType.FindByThumbprint,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> "82 3a 7e 85 a1 cf ca 6f 83 29 4b 3b 91 02 4a d7 af 4c 7a 08",<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> true<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> )<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> .OfType<X509Certificate>()<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> .First();<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>oFactory.Ssl.Certs = new X509CertificateCollection(new X509Certificate[] { cert });<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>oFactory.Ssl.Certs.Add(cert);<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>oFactory.Ssl.ServerName = "servercertificatename";<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>oFactory.Ssl.Enabled = true;<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>The problem is that this code will not compile in Visual Studio because of this line:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>oFactory.Ssl.Certs = new X509CertificateCollection(new X509Certificate[] { cert });<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>The compiler gives an error saying that the Certs property is read only.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>I wonder if this is to do with not having the right version of one of the various platforms (OpenSSL, Erlang, RabbitMQ) or perhaps not having installed them in the right order or having missed some necessary configuration step. <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>I tried to determine if there is an error in the configuration of OpenSSL by using werl.exe as recommended on RabbitMQ's SSL Troubleshooting page and typing in “ssl:versions()”, but this gives no result at all - werl.exe just outputs “1>”. <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Can anyone see where the problem might be? <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Thanks in advance for any help.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Richard<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div></body></html>