Get error when clicking on "Test Connection to Red hat Acccess Insights API" on Red Hat Satellite 5.x

Issue

• Get error when clicking on "Test Connection to Red hat Acccess Insights API" on Red Hat Satellite 5.7
• "Test Connection to Red hat Acccess Insights API" on Red Hat Satellite 5.x fails with an error.
• Red Hat Satellite 5.8 instance with Insights plugin installed access all outside resources via a http(s) squid proxy. At some stage it seems Red Hat Satellite no longer be able to reach api.access.redhat.com and following logs can be seen in the logs file.

2018-06-11 23:59:18,135 [TP-Processor2] DEBUG org.apache.http.impl.execchain.MainClientExec  - Tunnel to target created.
2018-06-11 23:59:18,135 [TP-Processor2] DEBUG org.apache.http.conn.ssl.SSLConnectionSocketFactory  - Enabled protocols: [TLSv1]
2018-06-11 23:59:18,135 [TP-Processor2] DEBUG org.apache.http.conn.ssl.SSLConnectionSocketFactory  - Enabled cipher suites:[TLS_EMPTY_RENEGOTIATION_INFO_SCSV, SSL_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256, SSL_ECDHE_
RSA_WITH_AES_128_CBC_SHA256, SSL_RSA_WITH_AES_128_CBC_SHA256, SSL_ECDH_ECDSA_WITH_AES_128_CBC_SHA256, SSL_ECDH_RSA_WITH_AES_128_CBC_SHA256, SSL_DHE_RSA_WITH_AES_128_CBC_SHA256, SSL_DHE_DSS_WITH_AES_128_CBC_SHA2
56, SSL_ECDHE_ECDSA_WITH_AES_128_CBC_SHA, SSL_ECDHE_RSA_WITH_AES_128_CBC_SHA, SSL_RSA_WITH_AES_128_CBC_SHA, SSL_ECDH_ECDSA_WITH_AES_128_CBC_SHA, SSL_ECDH_RSA_WITH_AES_128_CBC_SHA, SSL_DHE_RSA_WITH_AES_128_CBC_S
HA, SSL_DHE_DSS_WITH_AES_128_CBC_SHA, SSL_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256, SSL_ECDHE_RSA_WITH_AES_128_GCM_SHA256, SSL_RSA_WITH_AES_128_GCM_SHA256, SSL_ECDH_ECDSA_WITH_AES_128_GCM_SHA256, SSL_ECDH_RSA_WITH_A
ES_128_GCM_SHA256, SSL_DHE_RSA_WITH_AES_128_GCM_SHA256, SSL_DHE_DSS_WITH_AES_128_GCM_SHA256]
2018-06-11 23:59:18,135 [TP-Processor2] DEBUG org.apache.http.conn.ssl.SSLConnectionSocketFactory  - Starting handshake
2018-06-11 23:59:18,152 [TP-Processor2] DEBUG org.apache.http.impl.conn.DefaultManagedHttpClientConnection  - http-outgoing-4: Shutdown connection
2018-06-11 23:59:18,152 [TP-Processor2] DEBUG org.apache.http.impl.execchain.MainClientExec  - Socket is closed
java.net.SocketException: Socket is closed