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Update xtransport.go

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Fix TLS 1.3 cipher configured
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ACE 2025-01-27 00:52:39 +02:00 • committed by GitHub
parent 3e0ae41ef6
commit b20b59e9ee
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1 changed files with 12 additions and 2 deletions
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14
dnscrypt-proxy/xtransport.go
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@ -229,9 +229,19 @@ func (xTransport *XTransport) rebuildTransport() {
if xTransport.tlsCipherSuite != nil {
tlsClientConfig.PreferServerCipherSuites = false
tlsClientConfig.MaxVersion = tls.VersionTLS13
if xTransport.keepCipherSuite == true {
var tls13 = "198 199 4865 4866 4867 4868 4869 49332 49333"
var only13 = 0
var SuitesCount = 0
for _, expectedSuiteID := range xTransport.tlsCipherSuite {
check := strconv.Itoa(int(expectedSuiteID))
if strings.Contains(tls13 , check) {
SuitesCount += 1
}
only13 += 1
}
if xTransport.keepCipherSuite == true && only13 != SuitesCount {
tlsClientConfig.CipherSuites = xTransport.tlsCipherSuite
dlog.Infof("Explicit cipher suite %v configured downgrading TLS 1.2", xTransport.tlsCipherSuite)
dlog.Info("Explicit cipher suite configured downgrading to TLS 1.2")
tlsClientConfig.MaxVersion = tls.VersionTLS12
MinTry += 1
}