{"id":67732,"library":"danny-dasilva-utls","title":"uTLS","description":"Package tls partially implements TLS 1.2 and TLS 1.3, providing a fork of Go's crypto/tls with client hello fingerprinting capabilities.","status":"active","version":"0.0.0-20220604023528-30cb107b834e","language":"go","source_language":null,"source_url":"https://github.com/Danny-Dasilva/utls","tags":["tls","fingerprinting","security","networking"],"install":[{"cmd":"go get github.com/Danny-Dasilva/utls","lang":"bash","label":"Install github.com/Danny-Dasilva/utls"}],"dependencies":[],"imports":[{"symbol":"tls","correct":"github.com/Danny-Dasilva/utls"}],"quickstart":{"code":"package main\n\nimport (\n\t\"log\"\n\t\"github.com/Danny-Dasilva/utls\"\n)\n\nfunc main() {\n\tconn, err := tls.Dial(\"tcp\", \"example.com:443\", &tls.Config{})\n\tif err != nil {\n\t\tlog.Fatal(err)\n\t}\n\tdefer conn.Close()\n\tlog.Println(\"TLS connection established\")\n}","lang":"go","description":"Dial a TLS connection using uTLS"},"warnings":[{"fix":"Test thoroughly with target servers; consider using the standard library for production","message":"uTLS is a fork of Go's crypto/tls and may not be fully compatible with all TLS servers","severity":"gotcha","affected_versions":"all"}],"env_vars":null,"search_vec":"'1.2':7 '1.3':10 'capabl':22 'client':19 'crypto/tls':17 'fingerprint':21,24 'fork':13 'go':15 'hello':20 'implement':5 'network':26 'packag':2 'partial':4 'provid':11 'secur':25 'tls':3,6,9,23 'utl':1","created_at":"2026-06-17T17:40:53.121931+00:00","updated_at":"2026-06-17T17:40:53.121931+00:00","problems":[],"ecosystem":"go","meta_description":null,"install_score":null,"quickstart_score":null,"quickstart_tag":null,"pypi_latest":null,"cli_name":null,"cli_version":null,"type":"library","homepage":"https://github.com/Danny-Dasilva/utls","github":"https://github.com/Danny-Dasilva/utls","docs":"https://pkg.go.dev/github.com/Danny-Dasilva/utls#section-documentation","changelog":null,"pypi":null,"npm":null,"openapi_spec":null,"status_page":null,"smithery":null,"categories":["networking","crypto"],"base_url":null,"auth_type":null,"provenance":{"verified_status":null,"verified_at":null,"last_verified":"2026-06-17","next_check":"2026-12-14","install_tag":null}}