https://github.com/coyove/goflyway

An encrypted HTTP server
https://github.com/coyove/goflyway

golang mitmproxy socks tcp-tunnel udp-tunnel websocket

Last synced: about 1 month ago
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An encrypted HTTP server

• Host: GitHub
• URL: https://github.com/coyove/goflyway
• Owner: coyove
• License: mit
• Created: 2017-08-20T15:29:12.000Z (about 7 years ago)
• Default Branch: master
• Last Pushed: 2023-04-22T02:35:29.000Z (over 1 year ago)
• Last Synced: 2024-06-18T18:30:21.526Z (3 months ago)
• Topics: golang, mitmproxy, socks, tcp-tunnel, udp-tunnel, websocket
• Language: Go
• Homepage:
• Size: 10.6 MB
• Stars: 4,310
• Watchers: 183
• Forks: 659
• Open Issues: 84
• Metadata Files:
  • Readme: readme.md
  • License: LICENSE

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README

        
# goflyway v2 - a local port forwarder built on HTTP

![](https://raw.githubusercontent.com/coyove/goflyway/gdev/.misc/logo.png)

`master` is the active develop branch and containing v2 code, for the stable v1 release (though it was once called v2.0), please refer to [v1.0 branch](https://github.com/coyove/goflyway/tree/v1.0).

goflyway v2 is a special tool to forward local ports to a remote server securly, just like `ssh -L`.

goflyway uses pure HTTP POST requests to relay TCP connections. There is no CONNECT involved nor needed because goflyway is designed mainly for those people who are behind a CONNECT-less HTTP proxy or want to accelerate connections through static CDNs.

However pure HTTP requesting is definitely a waste of bandwidth if you already have a better network environment, so use `-w` to turn on WebSocket relay, or `-K` to turn on KCP relay if possible.

## Usage

Forward `localhost:1080` to `server:1080` through `server:80`

```

    Server: ./goflyway :80

    Client: ./goflyway -L 1080::1080 server:80 -p password

```

Forward `localhost:1080` to `server2:1080` through `server:80` using WebSocket

```

    Server: ./goflyway :80

    Client: ./goflyway -w -L 1080:server2:1080 server:80 -p password

```

Dynamically forward `localhost:1080` to `server:80` 

```

    Server: ./goflyway :80

    Client: ./goflyway -D 1080 server:80 -p password

```

HTTP reverse proxy or static file server on the same port:

```

    ./goflyway :80 -P http://127.0.0.1:8080 

    ./goflyway :80 -P /var/www/html

```

## Write Buffer

In HTTP mode when server received some data it can't just send them to the client directly because HTTP is not bi-directional, instead the server must wait until the client requests them, which means these data will be stored in memory for some time.

You can use `-W bytes` to limit the maximum bytes a server can buffer (for each connection), by default it is 1048576 (1M). If the buffer reaches the limit, the following bytes will be blocked until the buffer has free space for them.