A local MitM proxy to control TLS fingerprints
Get picks like this daily. Today's launch numbers, the top launches, AI and tech news, and a daily opportunity pick, straight to your inbox.
Want to reach these readers? Sponsor an issue.
HN · launched Aug 18, 2026 · 29 upvotes (top 20%) · 1 view
Niche: network proxy management tools · 112 launches, 5 in the last 7 days ▼ -50% · Explore this niche →
Category and tags
- Horizontal
- Dev tools
- Developer
- Not AI
- Hobby / open-source project
Visit website ↗ Source listing ↗
More like this: all 112 launches in network proxy management tools →
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 : 2282 launches clear the similarity bar, closest 8 shown.
Attention rank: #402 of 2283 (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 0.64
- Ghost-Night · github · 2026-10-24 · 81 upvotes · similarity 0.63
- claude-proxy-guard · github · 2026-10-21 · 31 upvotes · similarity 0.60
- ip-privacy-shield · github · 2026-11-10 · 102 upvotes · similarity 0.60
- Pwnbox · github · 2026-10-19 · 56 upvotes · similarity 0.60
- Mezz, a curl-able WiFi sandbox for IoT pentesting · hn · 2026-05-15 · 40 upvotes · similarity 0.57
- Selvum · hn · 2026-08-17 · 7 upvotes · similarity 0.57
- Sentrint, a security scanner for projects build with LLMs · hn · 2026-08-20 · 6 upvotes · similarity 0.56
The niche, labels, vibe code rating and competitor comparison on this page are analysis by Nicheloom. If you use them, please credit nicheloom.com. How you may use our data.