diff --git a/infra/conf/transport_internet.go b/infra/conf/transport_internet.go
index ed1ea072bf92..9114f6ad3d12 100644
--- a/infra/conf/transport_internet.go
+++ b/infra/conf/transport_internet.go
@@ -430,6 +430,7 @@ type TLSConfig struct {
 	RejectUnknownSNI                     bool             `json:"rejectUnknownSni"`
 	PinnedPeerCertificateChainSha256     *[]string        `json:"pinnedPeerCertificateChainSha256"`
 	PinnedPeerCertificatePublicKeySha256 *[]string        `json:"pinnedPeerCertificatePublicKeySha256"`
+	CurvePreferences                     *StringList      `json:"curvePreferences"`
 	MasterKeyLog                         string           `json:"masterKeyLog"`
 }
 
@@ -452,6 +453,9 @@ func (c *TLSConfig) Build() (proto.Message, error) {
 	if c.ALPN != nil && len(*c.ALPN) > 0 {
 		config.NextProtocol = []string(*c.ALPN)
 	}
+	if c.CurvePreferences != nil && len(*c.CurvePreferences) > 0 {
+		config.CurvePreferences = []string(*c.CurvePreferences)
+	}
 	config.EnableSessionResumption = c.EnableSessionResumption
 	config.DisableSystemRoot = c.DisableSystemRoot
 	config.MinVersion = c.MinVersion
diff --git a/transport/internet/tls/config.go b/transport/internet/tls/config.go
index b6c55c00bfb4..2ecabffb4ce9 100644
--- a/transport/internet/tls/config.go
+++ b/transport/internet/tls/config.go
@@ -1,6 +1,7 @@
 package tls
 
 import (
+	"bytes"
 	"context"
 	"crypto/hmac"
 	"crypto/tls"
@@ -10,7 +11,6 @@ import (
 	"strings"
 	"sync"
 	"time"
-	"bytes"
 
 	"github.com/xtls/xray-core/common/errors"
 	"github.com/xtls/xray-core/common/net"
@@ -70,7 +70,7 @@ func (c *Config) BuildCertificates() []*tls.Certificate {
 			continue
 		}
 		index := len(certs) - 1
-		setupOcspTicker(entry, func(isReloaded, isOcspstapling bool){
+		setupOcspTicker(entry, func(isReloaded, isOcspstapling bool) {
 			cert := certs[index]
 			if isReloaded {
 				if newKeyPair := getX509KeyPair(); newKeyPair != nil {
@@ -162,7 +162,7 @@ func (c *Config) getCustomCA() []*Certificate {
 	for _, certificate := range c.Certificate {
 		if certificate.Usage == Certificate_AUTHORITY_ISSUE {
 			certs = append(certs, certificate)
-			setupOcspTicker(certificate, func(isReloaded, isOcspstapling bool){ })
+			setupOcspTicker(certificate, func(isReloaded, isOcspstapling bool) {})
 		}
 	}
 	return certs
@@ -344,6 +344,10 @@ func (c *Config) GetTLSConfig(opts ...Option) *tls.Config {
 		config.ServerName = sn
 	}
 
+	if len(c.CurvePreferences) > 0 {
+		config.CurvePreferences = ParseCurveName(c.CurvePreferences)
+	}
+
 	if len(config.NextProtos) == 0 {
 		config.NextProtos = []string{"h2", "http/1.1"}
 	}
@@ -429,3 +433,23 @@ func ConfigFromStreamSettings(settings *internet.MemoryStreamConfig) *Config {
 	}
 	return config
 }
+
+func ParseCurveName(curveNames []string) []tls.CurveID {
+	curveMap := map[string]tls.CurveID{
+		"curvep256":             tls.CurveP256,
+		"curvep384":             tls.CurveP384,
+		"curvep521":             tls.CurveP521,
+		"x25519":                tls.X25519,
+		"x25519kyber768draft00": 0x6399,
+	}
+
+	var curveIDs []tls.CurveID
+	for _, name := range curveNames {
+		if curveID, ok := curveMap[strings.ToLower(name)]; ok {
+			curveIDs = append(curveIDs, curveID)
+		} else {
+			errors.LogWarning(context.Background(), "unsupported curve name: "+name)
+		}
+	}
+	return curveIDs
+}
diff --git a/transport/internet/tls/config.pb.go b/transport/internet/tls/config.pb.go
index cec2eefd99e8..1c16e6970e41 100644
--- a/transport/internet/tls/config.pb.go
+++ b/transport/internet/tls/config.pb.go
@@ -213,6 +213,8 @@ type Config struct {
 	// @Critical
 	PinnedPeerCertificatePublicKeySha256 [][]byte `protobuf:"bytes,14,rep,name=pinned_peer_certificate_public_key_sha256,json=pinnedPeerCertificatePublicKeySha256,proto3" json:"pinned_peer_certificate_public_key_sha256,omitempty"`
 	MasterKeyLog                         string   `protobuf:"bytes,15,opt,name=master_key_log,json=masterKeyLog,proto3" json:"master_key_log,omitempty"`
+	// Lists of string as CurvePreferences values.
+	CurvePreferences []string `protobuf:"bytes,16,rep,name=curve_preferences,json=curvePreferences,proto3" json:"curve_preferences,omitempty"`
 }
 
 func (x *Config) Reset() {
@@ -343,6 +345,13 @@ func (x *Config) GetMasterKeyLog() string {
 	return ""
 }
 
+func (x *Config) GetCurvePreferences() []string {
+	if x != nil {
+		return x.CurvePreferences
+	}
+	return nil
+}
+
 var File_transport_internet_tls_config_proto protoreflect.FileDescriptor
 
 var file_transport_internet_tls_config_proto_rawDesc = []byte{
@@ -374,7 +383,7 @@ var file_transport_internet_tls_config_proto_rawDesc = []byte{
 	0x4e, 0x43, 0x49, 0x50, 0x48, 0x45, 0x52, 0x4d, 0x45, 0x4e, 0x54, 0x10, 0x00, 0x12, 0x14, 0x0a,
 	0x10, 0x41, 0x55, 0x54, 0x48, 0x4f, 0x52, 0x49, 0x54, 0x59, 0x5f, 0x56, 0x45, 0x52, 0x49, 0x46,
 	0x59, 0x10, 0x01, 0x12, 0x13, 0x0a, 0x0f, 0x41, 0x55, 0x54, 0x48, 0x4f, 0x52, 0x49, 0x54, 0x59,
-	0x5f, 0x49, 0x53, 0x53, 0x55, 0x45, 0x10, 0x02, 0x22, 0xb3, 0x05, 0x0a, 0x06, 0x43, 0x6f, 0x6e,
+	0x5f, 0x49, 0x53, 0x53, 0x55, 0x45, 0x10, 0x02, 0x22, 0xe0, 0x05, 0x0a, 0x06, 0x43, 0x6f, 0x6e,
 	0x66, 0x69, 0x67, 0x12, 0x25, 0x0a, 0x0e, 0x61, 0x6c, 0x6c, 0x6f, 0x77, 0x5f, 0x69, 0x6e, 0x73,
 	0x65, 0x63, 0x75, 0x72, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x08, 0x52, 0x0d, 0x61, 0x6c, 0x6c,
 	0x6f, 0x77, 0x49, 0x6e, 0x73, 0x65, 0x63, 0x75, 0x72, 0x65, 0x12, 0x4a, 0x0a, 0x0b, 0x63, 0x65,
@@ -417,15 +426,18 @@ var file_transport_internet_tls_config_proto_rawDesc = []byte{
 	0x72, 0x74, 0x69, 0x66, 0x69, 0x63, 0x61, 0x74, 0x65, 0x50, 0x75, 0x62, 0x6c, 0x69, 0x63, 0x4b,
 	0x65, 0x79, 0x53, 0x68, 0x61, 0x32, 0x35, 0x36, 0x12, 0x24, 0x0a, 0x0e, 0x6d, 0x61, 0x73, 0x74,
 	0x65, 0x72, 0x5f, 0x6b, 0x65, 0x79, 0x5f, 0x6c, 0x6f, 0x67, 0x18, 0x0f, 0x20, 0x01, 0x28, 0x09,
-	0x52, 0x0c, 0x6d, 0x61, 0x73, 0x74, 0x65, 0x72, 0x4b, 0x65, 0x79, 0x4c, 0x6f, 0x67, 0x42, 0x73,
-	0x0a, 0x1f, 0x63, 0x6f, 0x6d, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x74, 0x72, 0x61, 0x6e, 0x73,
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-	0x73, 0x50, 0x01, 0x5a, 0x30, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f,
-	0x78, 0x74, 0x6c, 0x73, 0x2f, 0x78, 0x72, 0x61, 0x79, 0x2d, 0x63, 0x6f, 0x72, 0x65, 0x2f, 0x74,
-	0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74, 0x2f, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65,
-	0x74, 0x2f, 0x74, 0x6c, 0x73, 0xaa, 0x02, 0x1b, 0x58, 0x72, 0x61, 0x79, 0x2e, 0x54, 0x72, 0x61,
-	0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74, 0x2e, 0x49, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x2e,
-	0x54, 0x6c, 0x73, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+	0x52, 0x0c, 0x6d, 0x61, 0x73, 0x74, 0x65, 0x72, 0x4b, 0x65, 0x79, 0x4c, 0x6f, 0x67, 0x12, 0x2b,
+	0x0a, 0x11, 0x63, 0x75, 0x72, 0x76, 0x65, 0x5f, 0x70, 0x72, 0x65, 0x66, 0x65, 0x72, 0x65, 0x6e,
+	0x63, 0x65, 0x73, 0x18, 0x10, 0x20, 0x03, 0x28, 0x09, 0x52, 0x10, 0x63, 0x75, 0x72, 0x76, 0x65,
+	0x50, 0x72, 0x65, 0x66, 0x65, 0x72, 0x65, 0x6e, 0x63, 0x65, 0x73, 0x42, 0x73, 0x0a, 0x1f, 0x63,
+	0x6f, 0x6d, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x74, 0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72,
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+	0x5a, 0x30, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x78, 0x74, 0x6c,
+	0x73, 0x2f, 0x78, 0x72, 0x61, 0x79, 0x2d, 0x63, 0x6f, 0x72, 0x65, 0x2f, 0x74, 0x72, 0x61, 0x6e,
+	0x73, 0x70, 0x6f, 0x72, 0x74, 0x2f, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x2f, 0x74,
+	0x6c, 0x73, 0xaa, 0x02, 0x1b, 0x58, 0x72, 0x61, 0x79, 0x2e, 0x54, 0x72, 0x61, 0x6e, 0x73, 0x70,
+	0x6f, 0x72, 0x74, 0x2e, 0x49, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x2e, 0x54, 0x6c, 0x73,
+	0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
diff --git a/transport/internet/tls/config.proto b/transport/internet/tls/config.proto
index 526bc0dd4194..0fc1d01d0503 100644
--- a/transport/internet/tls/config.proto
+++ b/transport/internet/tls/config.proto
@@ -84,4 +84,7 @@ message Config {
   repeated bytes pinned_peer_certificate_public_key_sha256 = 14;
 
   string master_key_log = 15;
+
+  // Lists of string as CurvePreferences values.
+  repeated string curve_preferences = 16;
 }