SSL/TLS Client Test

This page displays your web browser's SSL/TLS capabilities, including supported TLS protocols, cipher suites, extensions, and key exchange groups. It highlights any weak or insecure options and generates a TLS fingerprint in JA3 format. Additionally, it tests how your browser handles insecure mixed content requests.

Your Web Browser

HTTP User-AgentMozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)

Protocol Support

TLS 1.3 Enabled
TLS 1.2
TLS 1.1
TLS 1.0

Mixed Content Test

Active Content
Passive Content

TLS Fingerprint

JA4
JA4_r
JA4_o
JA4_ro
JA3
JA3_r
JA3_n
JA3_rn

Handshake

TLS ProtocolTLS 1.3 [HTTP/2]
Cipher Suite
0x1302 TLS_AES_256_GCM_SHA384 Recommended TLS 1.3
Key Exchange
0x001d x25519

Supported Cipher Suites (in order as received)

Cipher Suites
0x1302 TLS_AES_256_GCM_SHA384 Recommended TLS 1.3
0x1301 TLS_AES_128_GCM_SHA256 Recommended TLS 1.3
0x1303 TLS_CHACHA20_POLY1305_SHA256 Recommended TLS 1.3
0xc02c TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384 Recommended TLS 1.2
0xc02b TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 Recommended TLS 1.2
0xcca9 TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256 Recommended TLS 1.2
0xc030 TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 Recommended TLS 1.2
0xc02f TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 Recommended TLS 1.2
0xcca8 TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256 Recommended TLS 1.2
0x00ff TLS_EMPTY_RENEGOTIATION_INFO_SCSV EXTENSION

Supported TLS Extensions (in order as received)

TLS Extensions
JavaScript Disabled. JSON available at: https://tls.browserleaks.com/.

Further Reading

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