envoyproxy/gateway

SDS: support listener certificates

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#9,009 opened on May 15, 2026

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Description

Question: Why are SDS Secrets only supported for backend TLS? It seems reasonable to also support them for listener certificates, since Envoy can fetch listener certs via SDS.

Originally posted by @zhaohuabing in https://github.com/envoyproxy/gateway/issues/8983#issuecomment-4457786557

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