Istio ALPN Issues

• http alpn override applied to external services breaks connections #24619

• Set standard alpns as well in outbound traffic #29529

• https://github.com/istio/istio/blob/1.5.4/pilot/pkg/networking/core/v1alpha3/listener.go#L1802

• Significance of setting AlpnProtocols in the client’s UpstreamTlsContext #11909

• ALPN filter incorrectly applies to non-Istio TLS traffic #40680

• “TLS handshake error” issue after Istio update 1.13.7 -> 1.14.4 #41138