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https://github.com/movsb/http2tcp
TCP over HTTP.
https://github.com/movsb/http2tcp
http http-proxy ssh ssh-proxycommand tcp tcp-over-http
Last synced: about 2 months ago
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TCP over HTTP.
- Host: GitHub
- URL: https://github.com/movsb/http2tcp
- Owner: movsb
- Created: 2020-11-10T13:55:36.000Z (almost 4 years ago)
- Default Branch: main
- Last Pushed: 2023-08-23T13:48:23.000Z (about 1 year ago)
- Last Synced: 2024-06-27T07:36:59.839Z (3 months ago)
- Topics: http, http-proxy, ssh, ssh-proxycommand, tcp, tcp-over-http
- Language: Go
- Homepage: https://blog.twofei.com/877/
- Size: 38.1 KB
- Stars: 29
- Watchers: 2
- Forks: 9
- Open Issues: 4
-
Metadata Files:
- Readme: README.md
Awesome Lists containing this project
README
# http2tcp
**http2tcp** is a simple client & server program that turns an HTTP connection to a TCP connection.
This is kind of useful if you want to hide all ports traffic other than the standard well-known ports 80 and 443.
## Usage
```shell-session
$ ./http2tcp -h
Usage of http2tcp:
-s, --server Run as server.
-c, --client Run as client.
-l, --listen string Listen address (client & server)
-e, --endpoint string Server endpoint.
-d, --destination string The destination address to connect to
-t, --token string The token used between client and server
-h, --help Show this help
```
Some flags are shared between the client and server.
### Example: Proxy SSH connections
On server:
```shell-session
$ ./http2tcp -s -t $TOKEN -l $SERVER_IP_OR_DOMAIN:2222
```
On client:
```shell-session
$ ./http2tcp -c -d localhost:22 -e $SERVER_IP_OR_DOMAIN:2222 -t $TOKEN
SSH-2.0-OpenSSH_7.6p1 Ubuntu-4ubuntu0.3
```
Now the http2tcp client is connected to the SSH server running on the server side via an HTTP connection.
In your ssh_config, if you write the following:
```ssh_config
Host some-host
ProxyCommand http2tcp -c -d localhost:22 -e $SERVER_IP_OR_DOMAIN:2222 -t $TOKEN
```
You can now SSH into your server via HTTP.
### Multiple client connections
The client does support multiple connections, just make use of the `-l` flag.
### Behind NGINX reverse proxy
This is actually the standard way to use HTTP2TCP.
```nginx
server {
server_name example.com;
listen 443 ssl http2;
location = /some-path/ {
proxy_http_version 1.1;
proxy_set_header Host $host;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection "Upgrade";
proxy_read_timeout 600s;
proxy_pass http://localhost:2222/;
}
}
```
Now the `ProxyCommand` should be:
```ssh_config
ProxyCommand http2tcp -c -d localhost:22 -e https://example.com/some-path/ -t $TOKEN
```