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How to use TLS 1.2 from Matrix
Bhush.bhadane #1
Member since Sep 2022 · 6 posts · Location: India
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Subject: Unable to connect to CISCO Finesse secure port 5223
We are trying to connect to CISCO finesse secure port 5223 using Matrix Library for Notifications. Using Pidgin it is working prfectly but from our application its not.

When we comare wireshark logs for both then we can see that Pidgin request using TLS1.2 where as Matrix request using TLSv1.
So as per the post in this forum we are setting the TLS12 explicitely but its still not working.

Here is the code:

  1. this.xmppClient.SetUsername(username);
  2. this.xmppClient.Password = password.ToUnsecureString();
  3. this.xmppClient.SetXmppDomain(domain);
  4. this.xmppClient.Port = 5223;
  5. this.xmppClient.OldStyleSsl = true;
  6. this.xmppClient.TlsProtocols = SslProtocols.Tls12;


Can you help us what we are missing here so that matrix will use the TLS 1.2
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Alex #2
Member since Feb 2003 · 4447 posts · Location: Germany
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Are you using the latest release of Matrix?

Alex
Bhush.bhadane #3
Member since Sep 2022 · 6 posts · Location: India
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Using 2.1.0.5
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Alex #4
Member since Feb 2003 · 4447 posts · Location: Germany
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This is not the latest. Please update and try again.
There was work done for direct TLS in the recent releases.

Alex
Bhush.bhadane #5
Member since Sep 2022 · 6 posts · Location: India
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Where can I find the document related to direct TLS ?
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Alex #6
Member since Feb 2003 · 4447 posts · Location: Germany
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There is no specific document for this.
The code you posted above is correct.

In previous days it was called old style TLS/SSL when StartTLS was preferred. It became popular again now because compared to StartTLS it saves roundtrips and therefore setting up the stream is faster. And these days its called direct TLS. But its exactly the same.
We have not renamed the property in legacy Matrix.

Alex
Bhush.bhadane #7
Member since Sep 2022 · 6 posts · Location: India
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Thank you Alex!

As suggested we will update to latest Nuget Package version 2.1.8 and will verify if its working.
Bhush.bhadane #8
Member since Sep 2022 · 6 posts · Location: India
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Hi Alex,

We upgraded nuget to the latest 2.1.0.8.

After upgrading we are getting following error on XmppClient.Open()

System.InvalidOperationException: Showing a modal dialog box or form when the application is not running in UserInteractive mode is not a valid operation. Specify the ServiceNotification or DefaultDesktopOnly style to display a notification from a service application.
   at System.Windows.Forms.Form.ShowDialog(IWin32Window owner)
   at System.Windows.Forms.Form.ShowDialog()
   at Matrix.License.LicenseManager.CheckLicense()
   at Matrix.XmppStream.Open()
   at Matrix.Xmpp.Client.XmppClient.Open()

Do we need to update the License as well when we upgrade to latest MatriX nuget ?
If so can you please help.
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Alex #9
Member since Feb 2003 · 4447 posts · Location: Germany
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I assume your license is not valid for the latest builds. Please get a demo license from here for your tests:
https://www.ag-software.net/matrix-xmpp-sdk/request-demo-l…

Alex
Bhush.bhadane #10
Member since Sep 2022 · 6 posts · Location: India
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Hi Alex,
Thank you for reply.

Can we use this license on our production environment?
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Alex #11
Member since Feb 2003 · 4447 posts · Location: Germany
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demo licenses are valid for 30 days. You can use it to verify if it solves your problem. When you move that code to production then you must use a valid license, otherwise your production code will stop working after some days.

Alex
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