4273ff79b1abe04e

Seen (all time)
(past week)
614K times (0.00%)
7.4K times (0.00%)
Rank (all time)
(past week)
1537 / 909546
847 / 30842
TLS VersionTLS 1.0
Handshake VersionTLS 1.2
Cipher Suites
exact match
GREASE (0x0a0a)
TLS_AES_128_GCM_SHA256 (0x1301)
TLS_AES_256_GCM_SHA384 (0x1302)
TLS_CHACHA20_POLY1305_SHA256 (0x1303)
TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 (0xc02b)
TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (0xc02f)
TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384 (0xc02c)
TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (0xc030)
TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256 (0xcca9)
TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256 (0xcca8)
TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA (0xc013)
TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA (0xc014)
TLS_RSA_WITH_AES_128_GCM_SHA256 (0x009c)
TLS_RSA_WITH_AES_256_GCM_SHA384 (0x009d)
TLS_RSA_WITH_AES_128_CBC_SHA (0x002f)
TLS_RSA_WITH_AES_256_CBC_SHA (0x0035)
Compression Methodsnull (0x00)
Extensions
exact match
GREASE (0x0a0a)
server_name (0x0000)
extended_master_secret (0x0017)
renegotiation_info (0xff01)
supported_groups (0x000a)
ec_point_formats (0x000b)
SessionTicket TLS (0x0023)
application_layer_protocol_negotiation (0x0010)
status_request (0x0005)
signature_algorithms (0x000d)
signed_certificate_timestamp (0x0012)
key_share (0x0033)
psk_key_exchange_modes (0x002d)
supported_versions (0x002b)
compressed_certificate (0x001b)
GREASE (0x0a0a)
pre_shared_key (0x0029)
Supported Groups
exact match
GREASE (0x0a0a)
x25519 (0x001d)
secp256r1 (0x0017)
secp384r1 (0x0018)
Signature Algorithmsecdsa_secp256r1_sha256 (0x0403)
rsa_pss_rsae_sha256 (0x0804)
rsa_pkcs1_sha256 (0x0401)
ecdsa_secp384r1_sha384 (0x0503)
rsa_pss_rsae_sha384 (0x0805)
rsa_pkcs1_sha384 (0x0501)
rsa_pss_rsae_sha512 (0x0806)
rsa_pkcs1_sha512 (0x0601)
rsa_pkcs1_sha1 (0x0201)
EC Point Formatsuncompressed (0x00)
ALPNh2
http/1.1
Key Share GREASE (0x0a0a) - 1-byte key
x25519 (0x001d) - 32-byte key
PSK Key Exchange Modes psk_dhe_ke (0x01)
Supported Versions
exact match
GREASE (0x0a0a)
TLS 1.3 (0x0304)
TLS 1.2 (0x0303)
TLS 1.1 (0x0302)
TLS 1.0 (0x0301)
Certificate Compression Algorithms brotli (0x0002)
Record Size Limit
nid4788451726961926222
Cluster Cluster #3
51 fingerprints, comprising 31.8% of connections
Related e0bfc6ef97116168 (compare) Seen 667374 times (0.00%)
5408690af1e08199 (compare) Seen 1485949 times (0.00%)
bc3118430dde084a (compare) Seen 99090 times (0.00%)
9c673fd64a32c8dc (compare) Seen 8663463 times (0.02%)
958829c358561708 (compare) Seen 89661 times (0.00%)
0fc01439295eaa87 (compare) Seen 1271236 times (0.00%)
e360886acbf4f415 (compare) Seen 261365 times (0.00%)
d14a8ab82c67f180 (compare) Seen 19037 times (0.00%)
87a0230ae2f624cf (compare) Seen 1549943 times (0.00%)
bbf04e5f1881f506 (compare) Seen 2111235 times (0.00%)
256c61ee90fe805f (compare) Seen 14474302 times (0.03%)
8466c4390d4bc355 (compare) Seen 58304774 times (0.10%)
27c7468a8afd8f2f (compare) Seen 127805 times (0.00%)
dbf159f845477798 (compare) Seen 15492 times (0.00%)
405355b41ba80aed (compare) Seen 401651 times (0.00%)
135d98cf7a056368 (compare) Seen 345378 times (0.00%)
aba0c0035182dcd5 (compare) Seen 4877103 times (0.01%)
3efdc18f67deb05a (compare) Seen 17545 times (0.00%)
0286637497cdfb93 (compare) Seen 121420 times (0.00%)
545c564984aca284 (compare) Seen 15232 times (0.00%)
bebc7d5db44fa712 (compare) Seen 49833 times (0.00%)
8de7bab0fa65d830 (compare) Seen 395855 times (0.00%)
63dbc716890b7c11 (compare) Seen 11073 times (0.00%)
f708e72daadefd78 (compare) Seen 67661 times (0.00%)
aa2815186a8ff66a (compare) Seen 1097267 times (0.00%)
d8790c8ed8d85177 (compare) Seen 38766 times (0.00%)
e47eae8f8c4887b6 (compare) Seen 34383 times (0.00%)
55b9f51b7f1f1b03 (compare) Seen 34119 times (0.00%)
Labels
uTLS generated code
// import tls "github.com/refraction-networking/utls"
tcpConn, err := net.Dial("tcp", "tlsfingerprint.io:443")
if err != nil {
	fmt.Printf("net.Dial() failed: %+v\n", err)
	return
}

config := tls.Config{ServerName: "tlsfingerprint.io"}
// This fingerprint includes feature(s), not fully supported by TLS.
// uTLS client with this fingerprint will only be able to to talk to servers,
// that also do not support those features. 
tlsConn := tls.Client(tcpConn, &tlsConfig, utls.HelloCustom)
clientHelloSpec := tls.ClientHelloSpec {
	CipherSuites: []uint16{
		tls.GREASE_PLACEHOLDER,
		tls.TLS_AES_128_GCM_SHA256,
		tls.TLS_AES_256_GCM_SHA384,
		tls.TLS_CHACHA20_POLY1305_SHA256,
		tls.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,
		tls.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,
		tls.TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,
		tls.TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384,
		tls.TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305,
		tls.TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305,
		tls.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
		tls.TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA,
		tls.TLS_RSA_WITH_AES_128_GCM_SHA256,
		tls.TLS_RSA_WITH_AES_256_GCM_SHA384,
		tls.TLS_RSA_WITH_AES_128_CBC_SHA,
		tls.TLS_RSA_WITH_AES_256_CBC_SHA,
	},
	CompressionMethods: []byte{
		0x00, // compressionNone
	},
	Extensions: []tls.TLSExtension{
		&tls.UtlsGREASEExtension{},
		&tls.SNIExtension{},
		&tls.UtlsExtendedMasterSecretExtension{},
		&tls.RenegotiationInfoExtension{renegotiation: tls.RenegotiateOnceAsClient},
		&tls.SupportedCurvesExtension{[]tls.CurveID{
			tls.CurveID(tls.GREASE_PLACEHOLDER),
			tls.X25519,
			tls.CurveP256,
			tls.CurveP384,
		}},
		&tls.SupportedPointsExtension{SupportedPoints: []byte{
			0x00, // pointFormatUncompressed
		}},
		&tls.SessionTicketExtension{},
		&tls.ALPNExtension{AlpnProtocols: []string{"h2","http/1.1"}},
		&tls.StatusRequestExtension{},
		&tls.SignatureAlgorithmsExtension{SupportedSignatureAlgorithms: []SignatureScheme{
			tls.ECDSAWithP256AndSHA256,
			tls.PSSWithSHA256,
			tls.PKCS1WithSHA256,
			tls.ECDSAWithP384AndSHA384,
			tls.PSSWithSHA384,
			tls.PKCS1WithSHA384,
			tls.PSSWithSHA512,
			tls.PKCS1WithSHA512,
			tls.PKCS1WithSHA1,
		},},
		&tls.SCTExtension{},
		&tls.KeyShareExtension{[]tls.KeyShare{
			{Group: tls.CurveID(tls.GREASE_PLACEHOLDER), Data: []byte{0}},
			{Group: tls.X25519},
		}},
		&tls.PSKKeyExchangeModesExtension{[]uint8{
			tls.PskModeDHE,
		}},
		&tls.SupportedVersionsExtension{[]uint16{
			tls.GREASE_PLACEHOLDER,
			tls.VersionTLS13,
			tls.VersionTLS12,
			tls.VersionTLS11,
			tls.VersionTLS10,
		}},
		&tls.FakeCertCompressionAlgsExtension{[]tls.CertCompressionAlgo{
			tls.CertCompressionBrotli,
		}},
		&tls.UtlsGREASEExtension{},
		&tls.GenericExtension {id: 0x0029}, // WARNING: UNKNOWN EXTENSION, USE AT YOUR OWN RISK
	},
}
tlsConn.ApplyPreset(clientHelloSpec)
        
n, err = tlsConn.Write("Hello, World!")
// or tlsConn.Handshake() for better control

Times seen (per hour)

Percent seen (24 hour averaged)

User Agents