t12i990500_b17e8abcd084_d6ccc26a9df5
Probe (no SNI, no ALPN) — inferred from the JA4 handshake shape.
What this fingerprint encodes
JA4_a
t12i990500
handshake shape, human-readable
JA4_b
b17e8abcd084
truncated hash of the cipher list
JA4_c
d6ccc26a9df5
truncated hash of extensions + signature algorithms
- Transport
- TCP
- TLS version
- TLS 1.2
- Server name
- no server name (IP literal)
- Cipher suites offered
- 99
- Extensions offered
- 5
- ALPN
- none offered
The hello it was computed from
Recovered because the proxy now stores the pre-hash JA3 string alongside the digest. Every number below came out of this client's ClientHello; anything we cannot name in the IANA registry is shown as its raw value rather than guessed at.
- Version
- TLS 1.2
Cipher suites 101
-
0 (0x0000) -
1 (0x0001) -
2 (0x0002) -
3 (0x0003) -
TLS_RSA_WITH_RC4_128_MD5 -
TLS_RSA_WITH_RC4_128_SHA -
6 (0x0006) -
7 (0x0007) -
8 (0x0008) -
9 (0x0009) -
TLS_RSA_WITH_3DES_EDE_CBC_SHA -
11 (0x000b) -
12 (0x000c) -
13 (0x000d) -
14 (0x000e) -
15 (0x000f) -
16 (0x0010) -
17 (0x0011) -
18 (0x0012) -
19 (0x0013) -
20 (0x0014) -
21 (0x0015) -
TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA -
23 (0x0017) -
24 (0x0018) -
25 (0x0019) -
26 (0x001a) -
27 (0x001b) -
30 (0x001e) -
31 (0x001f) -
32 (0x0020) -
33 (0x0021) -
34 (0x0022) -
35 (0x0023) -
36 (0x0024) -
37 (0x0025) -
38 (0x0026) -
39 (0x0027) -
40 (0x0028) -
41 (0x0029) -
42 (0x002a) -
43 (0x002b) -
44 (0x002c) -
45 (0x002d) -
46 (0x002e) -
59 (0x003b) -
138 (0x008a) -
139 (0x008b) -
142 (0x008e) -
143 (0x008f) -
146 (0x0092) -
147 (0x0093) -
176 (0x00b0) -
177 (0x00b1) -
180 (0x00b4) -
181 (0x00b5) -
184 (0x00b8) -
185 (0x00b9) -
49153 (0xc001) -
49154 (0xc002) -
49155 (0xc003) -
49158 (0xc006) -
TLS_ECDHE_ECDSA_WITH_RC4_128_SHA -
TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA -
49163 (0xc00b) -
49164 (0xc00c) -
49165 (0xc00d) -
49168 (0xc010) -
TLS_ECDHE_RSA_WITH_RC4_128_SHA -
TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA -
49173 (0xc015) -
49174 (0xc016) -
49175 (0xc017) -
49178 (0xc01a) -
49179 (0xc01b) -
49180 (0xc01c) -
49203 (0xc033) -
49204 (0xc034) -
49209 (0xc039) -
49210 (0xc03a) -
49211 (0xc03b) -
TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA -
TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA -
TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA -
TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA -
TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 -
TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384 -
TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 -
TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 -
TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256 -
TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256 -
TLS_RSA_WITH_AES_128_CBC_SHA -
TLS_RSA_WITH_AES_256_CBC_SHA -
TLS_RSA_WITH_AES_128_CBC_SHA256 -
TLS_RSA_WITH_AES_256_CBC_SHA256 -
TLS_RSA_WITH_AES_128_GCM_SHA256 -
TLS_RSA_WITH_AES_256_GCM_SHA384 -
TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256 -
TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384 -
TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 -
TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384
Extensions 5
-
renegotiation_info -
supported_groups -
ec_point_formats -
signature_algorithms -
extended_master_secret
Named groups 4
-
x25519 -
secp256r1 -
secp384r1 -
secp521r1
Point formats 1
-
uncompressed
Raw JA3 string
771,0-1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21-22-23-24-25-26-27-30-31-32-33-34-35-36-37-38-39-40-41-42-43-44-45-46-59-138-139-142-143-146-147-176-177-180-181-184-185-49153-49154-49155-49158-49159-49160-49163-49164-49165-49168-49169-49170-49173-49174-49175-49178-49179-49180-49203-49204-49209-49210-49211-49161-49162-49171-49172-49195-49196-49199-49200-52392-52393-47-53-60-61-156-157-49187-49188-49191-49192,65281-10-11-13-23,29-23-24-25,0Seen in live traffic
- Connections
- 1
- First seen
- 2026-08-23 15:06 UTC
- Last seen
- 2026-08-23 15:06 UTC
- Transport
- TCP
This entry is an observation, not a policy decision. It is here because the edge saw it, not because anyone reviewed it, and it blocks nothing on its own. Only the curated tier drives classification and banning.