Yawning/obfs4
The obfourscator (Courtesy mirror) observed · 2026-08-28
Health v2 · maintenance only
32/100
- Activity 0
- Release rhythm 35
- Longevity 100
Flags: no_releases no_license
How is this computed?
round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10) — computed 2026-09-03. Adoption (stars, forks) is never an input.
- gap_med: n/a
- age_days: 4499
- days_rel: n/a
- days_push: 1022
- n_releases_24m: 0
Adoption not part of the score
1247 stars · 194 forks observed · 2026-08-28
What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded
obfs4 is a look-like-nothing traffic obfuscation protocol (the obfourscator) implemented in Go, based on ScrambleSuit with ntor handshakes and Elligator 2 key obfuscation. It ships as obfs4proxy, a pluggable transport for Tor that also supports obfs2/obfs3 and ScrambleSuit compatibility.
Use cases
- run a Tor bridge that disguises its traffic as random noise
- connect to Tor bridges from censored networks
- deploy a pluggable transport proxy for circumventing DPI blocking
- act as an obfs2/obfs3 client or bridge for legacy compatibility
When to choose
- you operate a Tor bridge and need traffic obfuscation resistant to deep packet inspection
- you need a battle-tested pluggable transport with mature cryptographic design
When to avoid
- you need a general-purpose VPN or full traffic proxy rather than a Tor pluggable transport
- you need actively developed software with frequent releases
Facets
library · maturity maintenance
security cryptography proxy networking privacy censorship-circumvention security networking windows go cli tor obfuscation pluggable-transport bridge anti-censorship obfs4proxy linux macos
2 sources
- readme: https://github.com/Yawning/obfs4 · fetched 2026-08-28 · e32473f7e81e
- homepage: https://gitlab.com/yawning/obfs4 · fetched 2026-08-29 · 261e28980c3a
Member repositories
| Repository | Role | Health v2 |
|---|---|---|
| Yawning/obfs4 | main | 32 |
For agents
Data as of 2026-08-30T08:39:29.467469+00:00 · Report a problem