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2678199 - TLS 1.2 handshake failure with Microsoft servers

Symptom

  • A TLS 1.2 (= SSL 3.3) connection from the AS Java using the IAIK library (SAP Note 2284059) fails with the following trace (or similar):

ssl_debug(1): Starting handshake (iSaSiLk 5.104)...
ssl_debug(1): Sending v3 client_hello message to <address>, requesting version 3.3...
ssl_debug(1): IOException while handshaking: Connection reset
ssl_debug(1): Sending alert: Alert Fatal: handshake failure

  • The <address> is hosted by an IIS or another Microsoft Windows Server


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Environment

SAP NetWeaver Application Server Java

Product

SAP NetWeaver Application Server for Java all versions

Keywords

IOException SSLHandshakeException SocketException Connection closed by remote host , KBA , BC-JAS-SEC-CPG , Cryptography , Problem

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