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Improve TLS Config to prefer server ciphers, remove 3DES ciphers and require TLS 1.1 or higher

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This commit is contained in:
Bernhard Froehlich
2019-01-08 15:09:29 +00:00
parent 92be537b25
commit 6270d75571
1 changed files with 48 additions and 0 deletions
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48
main.go
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@@ -192,6 +192,30 @@ func main() {
}
server.TLSConfig = &tls.Config {
PreferServerCipherSuites: true,
MinVersion: tls.VersionTLS11,
// Ciphersuites as defined in stock Go but without 3DES
// https://golang.org/src/crypto/tls/cipher_suites.go
CipherSuites: []uint16 {
tls.TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305,
tls.TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305,
tls.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,
tls.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,
tls.TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384,
tls.TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,
tls.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256,
tls.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
tls.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256,
tls.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
tls.TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA,
tls.TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA,
tls.TLS_RSA_WITH_AES_128_GCM_SHA256, // does not provide PFS
tls.TLS_RSA_WITH_AES_256_GCM_SHA384, // does not provide PFS
tls.TLS_RSA_WITH_AES_128_CBC_SHA256,
tls.TLS_RSA_WITH_AES_128_CBC_SHA,
tls.TLS_RSA_WITH_AES_256_CBC_SHA,
},
Certificates: [] tls.Certificate{cert},
}
server.ForceTLS = *localForceTLS
@@ -215,6 +239,30 @@ func main() {
}
server.TLSConfig = &tls.Config {
PreferServerCipherSuites: true,
MinVersion: tls.VersionTLS11,
// Ciphersuites as defined in stock Go but without 3DES
// https://golang.org/src/crypto/tls/cipher_suites.go
CipherSuites: []uint16 {
tls.TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305,
tls.TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305,
tls.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,
tls.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,
tls.TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384,
tls.TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,
tls.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256,
tls.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
tls.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256,
tls.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
tls.TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA,
tls.TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA,
tls.TLS_RSA_WITH_AES_128_GCM_SHA256, // does not provide PFS
tls.TLS_RSA_WITH_AES_256_GCM_SHA384, // does not provide PFS
tls.TLS_RSA_WITH_AES_128_CBC_SHA256,
tls.TLS_RSA_WITH_AES_128_CBC_SHA,
tls.TLS_RSA_WITH_AES_256_CBC_SHA,
},
Certificates: [] tls.Certificate{cert},
}