reverseproxy: add tls_server_cert_sha256 #6329
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Unfortunately there *are* some production setups requiring tls_insecure_skip_verify in reverse_proxy, like old devices with outdated firmware. In many such cases, the devices aren't supposed to regenerate or update their certificates. This patch adds tls_server_cert_sha256 directive for reverse_proxy, making MITM impossible even with tls_insecure_skip_verify.
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Unfortunately there are some production setups requiring tls_insecure_skip_verify in reverse_proxy, like old devices with outdated firmware. In many such cases, the devices aren't supposed to regenerate or update their certificates.
This patch adds tls_server_cert_sha256 directive for reverse_proxy, making MITM impossible even with tls_insecure_skip_verify.