Fix TCP TLS server SNI server name leak #5099
Merged
Commits on Feb 6, 2024
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The TCP client will not send the correct server name to the client du…
…e to SSL client resumption performed by the SSL implementation although we are using a new engine implementation. The SSL channel provider when a server name is specified for a client should use the SSL context map to avoid this.
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The SslChannelProvider class maintains a map of server name to Netty …
…SslContext that is filled when a client provides a server name. When a server name does not resolve to a KeyManagerFactory or TrustManagerFactory, the default factories are used and the entry is stored in the map. Instead no specific factory is resolved the default Netty SslContext is used, since this can lead to a a memory leak when a client specifies spurious SNI server names. This affects only a TCP server when SNI is set in the HttpServerOptions.
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