TLS Versions

Max TLS versions

This table lists the maximum supported version of connections, either from the Handshake version, or the first (non-GREASE) listed in the supported_versions extension.

Rank Version Connections
1 TLS 1.2 (0x0303) 66.7%
2 TLS 1.3 (0x0304) 30.8%
3 TLS 1.0 (0x0301) 1.5%
4 TLS 1.3-draft-23 (0x7f17) 0.7%
5 TLS 1.3-draft-28 (0x7f1c) 0.1%
6 TLS 1.3-draft-18 (0x7f12) 0.1%
7 TLS 1.3-draft-26 (0x7f1a) 0.1%
8 TLS 1.1 (0x0302) 0.0%
9 Unknwon (0x7e02) 0.0%
10 Unknwon (0x7e01) 0.0%
11 SSL 3.0 (0x0300) 0.0%
12 Unknwon (0xfb28) 0.0%
13 Unknwon (0x7e03) 0.0%
14 TLS 1.3-draft-22 (0x7f16) 0.0%

Top supported_versions

This table breaks down the percent of connections that send the supported_versions extension (defined by TLS 1.3), and what version they support.

Rank Supported Version Fingerprints Connections
1 TLS 1.3 (0x0304) 299 30.8%
2 TLS 1.2 (0x0303) 498 28.9%
3 TLS 1.1 (0x0302) 455 28.8%
4 TLS 1.0 (0x0301) 439 28.8%
5 GREASE (0x0a0a) 188 24.1%
6 Unknown (0xfb1a) 21 2.9%
7 TLS 1.3-draft-23 (0x7f17) 103 0.8%
8 TLS 1.3-draft-28 (0x7f1c) 52 0.1%
9 TLS 1.3-draft-18 (0x7f12) 52 0.1%
10 TLS 1.3-draft-26 (0x7f1a) 19 0.1%
11 Unknown (0xfb17) 8 0.1%
12 TLS 1.3-draft-27 (0x7f1b) 9 0.0%
13 Unknown (0x7e02) 8 0.0%
14 Unknown (0x7e01) 6 0.0%
15 SSL 3.0 (0x0300) 3 0.0%
16 TLS 1.3-draft-19 (0x7f13) 1 0.0%
17 TLS 1.3-draft-20 (0x7f14) 1 0.0%
18 TLS 1.3-draft-21 (0x7f15) 1 0.0%
19 TLS 1.3-draft-22 (0x7f16) 1 0.0%