[RHOCP 4] Unable to add weak SSL cipher 'TLS_RSA_WITH_AES_256_CBC_SHA' to Ingress Controller

Solution Verified - Updated -

Issue

  • After adding weak SSL cipher TLS_RSA_WITH_AES_256_CBC_SHA getting the below error in router pod logs:

    unable to set SSL cipher list to 'TLS_RSA_WITH_AES_256_CBC_SHA' for bind '127.0.0.1:10443' at /var/lib/haproxy/conf/haproxy.config
    
  • Unable to add weak cipher TLS_RSA_WITH_AES_256_CBC_SHA to Ingress Controller
  • After adding cipher TLS_RSA_WITH_AES_256_CBC_SHA to Ingress Controller router pods are not coming up.

Environment

  • Red Hat OpenShift Container Platform (RHOCP)
    • 4

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