A local MitM proxy to control TLS fingerprints
Details
- External ID
- 49345091
- Source
- HN
- Company
- —
- Product
- A local MitM proxy to control TLS fingerprints
- Website domain
- github.com
- Launched
- Aug. 18, 2026
- Cohort
- —
- Upvotes
- 29
- Upvotes percentile
- 0.8044354838709677
- Tags
- —
- Fetched at
- Sept. 10, 2026, 5:32 a.m.
- Updated at
- Sept. 10, 2026, 5:32 a.m.
Enrichment
- Theme
- systems tools and desktop utilities
- Vertical
- Security
- Function
- Dev tools
- Audience
- Developer
- AI stance
- Not AI
- Project type
- Hobby / open-source project
- Normalized one-liner
- local tls fingerprint control proxy
- Manually corrected
- False
Could you build this?
No Controlling and spoofing TLS/JA3/JA4 fingerprints in an intercepting proxy requires low-level networking, custom crypto libraries, and deep protocol expertise (e.g., modifying OpenSSL, BoringSSL, or using uTLS/Go). AI assistants frequently fail at low-level TLS handshake byte manipulation and custom state machines.
What it would actually take: The architecture requires an asynchronous proxy daemon (typically written in Go, Rust, or C++) using specialized networking stacks like uTLS or custom BoringSSL wrappers. The core challenge is replicating exact browser TLS Client Hello behavior, including extension ordering, GREASE values, cipher suite configurations, and HTTP/2 SETTINGS frames without leaking proxy artifacts, requiring deep network protocol engineering.
Discussion
6 comments analyzed.
Competitors mentioned: ja3proxy, curl-impersonate, CycleTLS
Concerns raised: Services upgrading security to enforce fingerprint checking against proxies
Competitors
Other products that read as similar to this one — 891 launches clear the similarity bar, closest 8 shown.
Attention rank: #156 of 892 (itself plus its competitors, highest first — normalized so YC and Product Hunt are compared fairly).
Launched 291 days after the earliest competitor.
- preflight · github · 2026-09-20 · 76 upvotes · similarity 0.62
- web-stealth-farm · github · 2026-09-17 · 12 upvotes · similarity 0.59
- web-stealth-farm · github · 2026-09-20 · 12 upvotes · similarity 0.59
- Mezz, a curl-able WiFi sandbox for IoT pentesting · hn · 2026-05-15 · 40 upvotes · similarity 0.56
- Selvum · hn · 2026-08-17 · 7 upvotes · similarity 0.56
- lm-detector · github · 2026-09-13 · 7 upvotes · similarity 0.55
- Sentrint, a security scanner for projects build with LLMs · hn · 2026-08-20 · 6 upvotes · similarity 0.54
- Reminal · hn · 2026-07-01 · 13 upvotes · similarity 0.54
Other launches for this product
- No other launches for this product.
Same idea, different domain
Nobody's really built a dev tools tool for Sales yet.