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Addresses #7881: removing weaker ciphers #10353

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Addresses #7881: removing weaker ciphers #10353

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8 changes: 2 additions & 6 deletions apiserver/cmd/apiserver/server/options.go
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Original file line number Diff line number Diff line change
Expand Up @@ -122,15 +122,11 @@ func (o *CalicoServerOptions) Config() (*apiserver.Config, error) {
// it will never go ready, due to a failed fetch of the v1 resources.
o.RecommendedOptions.Features.EnablePriorityAndFairness = false

// Explicitly setting cipher suites in order to remove deprecated ones
// The list is taken from https://github.com/golang/go/blob/dev.boringcrypto.go1.13/src/crypto/tls/boring.go#L54
// Explicitly setting cipher suites in order to remove deprecated and weaker ones
// This list was originally taken from https://github.com/golang/go/blob/dev.boringcrypto.go1.13/src/crypto/tls/boring.go#L54
cipherSuites := []uint16{
tls.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,
tls.TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384,
tls.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,
tls.TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,
tls.TLS_RSA_WITH_AES_128_GCM_SHA256,
tls.TLS_RSA_WITH_AES_256_GCM_SHA384,
}
serverConfig.SecureServing.CipherSuites = cipherSuites
serverConfig.SecureServing.MinTLSVersion = tls.VersionTLS12
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