# Obfs4-bridge

Obfs4-bridge is a Docker container for running a Tor obfs4 bridge relay, obfuscating Tor traffic so users in censored regions can connect to the Tor network past filtering and blocking. It is open source and self-hosted, installable on Docker Hub and Unraid.

Canonical page: https://ourlocalhost.com/app/689/obfs4-bridge

## Description

Obfs4-bridge is a Docker container for running a Tor obfs4 bridge relay, obfuscating Tor traffic so users in censored regions can connect to the Tor network past filtering and blocking.

## Platform availability

Available on 1 of 9 platforms: Unraid.

## Health score

37/100 (Low), based on 4 of 4 factors.
- Maintained: 0 (last commit 1107 days ago)
- Popular: 62 (1,249 GitHub stars)
- Easy to install: 35 (1 install platform, install notes, Docker image)
- Light to run: 95 (512 MB minimum RAM, runs on ARM)

## Links

- Official website: https://gitlab.com/yawning/obfs4
- GitHub: https://github.com/Yawning/obfs4
- Docker Hub: https://hub.docker.com/r/thetorproject/obfs4-bridge/
- Unraid: https://ca.unraid.net/apps/obfs4-bridge-1ixsvsx1cv0tyd?q=obfs4-bridge

## Common questions

### How do I deploy the obfs4-bridge container with Docker?

Create a .env file next to the docker-compose.yml file containing OR_PORT, PT_PORT, and EMAIL. Then run docker-compose up -d obfs4-bridge. Make sure both ports are forwarded in your firewall.

### Where are the autogenerated obfs4 bridge parameters stored?

They are placed in DataDir/pt_state/obfs4_state.json.

### What common issues should I check if the obfs4 bridge is not working?

Check for port binding failures and whether clients are not receiving your bridge's descriptor. Use the relevant log messages to identify the fix.

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Source: Our Local Host (https://ourlocalhost.com/app/689/obfs4-bridge), the self-hosted and open-source app directory.