SAP Knowledge Base Article - Preview

3748504 - Open Client: Applications fail when restricting ssl certificates on ASE - SDK for SAP ASE

Symptom

Restricting to specific ciphers make connections fail
1> sp_ssladmin 'setcipher','TLS_ECDHE_RSA_WITH_AES128_GCM_SHA256,TLS_ECDHE_RSA_WITH_AES256_GCM_SHA384'
2> go
The following cipher suites and order of preference are set for SSL connections:
 Cipher Suite Name                                                Preference
 ---------------------------------------------------------------- -----------
 TLS_ECDHE_RSA_WITH_AES128_GCM_SHA256                                       1
 TLS_ECDHE_RSA_WITH_AES256_GCM_SHA384                                       2

CT-LIBRARY error:
ct_connect(): network packet layer: internal net library error: Net-Lib protocol driver call to connect two endpoints failed


Read more...

Environment

  • SAP Adaptive Server Enterprise (ASE) Software Developer Kit (SDK) 16.0
  • SAP Adaptive Server Enterprise (ASE) Software Developer Kit (SDK) 16.1
  • Open Client Client-Library
  • ctlibrary

Product

SAP Adaptive Server Enterprise 16.0 ; SAP Adaptive Server Enterprise 16.1 ; SAP Adaptive Server Enterprise SDK all versions

Keywords

ct-library, isql, bcp, sybase, libsyb, , KBA , BC-SYB-SDK , SDK , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Known Error

About this page

This is a preview of a SAP Knowledge Base Article. Click more to access the full version on SAP for Me (Login required).

Search for additional results

Visit SAP Support Portal's SAP Notes and KBA Search.