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2604240 - TLS handshake failure due to missing SNI extension

Symptom

A TLS connection from the AS Java using the IAIK library (SAP Note 2284059) fails with the following trace, considering that the TLS version is supported by the target server:

ssl_debug(6): Starting handshake (iSaSiLk)...
ssl_debug(6): Sending v3 client_hello message to <server>, requesting version <TLS version>...
ssl_debug(6): Sending extensions: renegotiation_info (XXXX), signature_algorithms (XX)
ssl_debug(6): IOException while handshaking: Connection reset
ssl_debug(6): Sending alert: Alert Fatal: handshake failure

Note that the SNI extension (server_name) is not sent.


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Environment

SAP NetWeaver Application Server Java

Product

SAP NetWeaver Application Server for Java all versions

Keywords

ssl pi xi adapter soap, REST Adapter, TLS handshake failure, SNI extension, Exception sending message: java.net.SocketException: Broken pipe (Write failed), This site works only in browsers with SNI support. , KBA , BC-JAS-SEC-CPG , Cryptography , BC-XI-CON-SOP , SOAP Adapter , Problem

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