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<p class="MsoNormal"><span lang="EN-US">Package: x2goClient <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Version: 4.1.2.2-2020.02.13<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">Host-System: Windows 10, und Windows Server 2012 R2 (German Language)
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Installations-Typ: Recommended (Default) <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">*** Problem Description ***<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">When using x2GoClient via jumpserver (as SSH-Proxy-Server), then is X2GoClient automatic closed (without any Information). Problem are the SSH-Strong-Ciphers, which are configured in SSHd on Jumpserver. Strong Ciphers
=> x2GoClient crashed. If default Ciphers => x2GoClient and connection works. <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">*** X2GoClient – Configuration ***<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Sitzungsname: test<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Pfad: /<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Host: ziel-server<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Login: test_ye<o:p></o:p></span></p>
<p class="MsoNormal">SSH-Port: 22<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Proxy-Server für SSH-Verbindung verwenden<o:p></o:p></p>
<p class="MsoNormal">SSH <o:p></o:p></p>
<p class="MsoNormal">Host: jumpserver<o:p></o:p></p>
<p class="MsoNormal">Port: 22<o:p></o:p></p>
<p class="MsoNormal">Gleiche Anmeldung wie für X2Go-Server<o:p></o:p></p>
<p class="MsoNormal">Gleiches Kennwort wie für X2Go-Server<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-US">XFCE<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">*** Jumpserver Configuration) ***<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Jumpserver SSHd Config: /etc/ssh/sshd_config (CentOS 7)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Ciphers aes128-ctr,aes192-ctr,aes256-ctr<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 ciphers are used for strong Encryption. Then access from x2GoClient via jumpserver cannot handle 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"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">When the Cipher-Restriction is not configured:
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Jumpserver SSHd Confg: (CentOS 7)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">#Ciphers aes128-ctr,aes192-ctr,aes256-ctr<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">then the connection from x2GoClient via jumpserver to Destination X2Go-Server does work.
<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">I hope I provided all needed information for you. Let me know if this can be patched, or does our Company need to search for other solution.
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Thank you. <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" style="color:#1F497D;mso-fareast-language:DE">Best regards,<o:p></o:p></span></p>
<p class="MsoNormal"><b><span lang="EN-US" style="color:#1F497D;mso-fareast-language:DE">Marián Schwarcz<o:p></o:p></span></b></p>
<p class="MsoNormal"><o:p> </o:p></p>
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