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Relay

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If you need to synchronize files between two devices that are unable to establish a direct connection, you can use a reverse proxy as a relay server. For example: frp, ngrok etc.

Ports

HTTP(S)

If you explicitly or implicitly use the File Server, you will need to open the specified HTTP(S) port, which defaults to 443. See the server_addr flag for the actual value.

TCP

If you enable the Remote Disk Server or Remote Push Server，you will need to open the specified TCP port, which defaults to8105. See the Port specified in the source flag for the actual value.

Reverse Proxy

Use the reverse proxy to expose the port services mentioned above.

frp

Use frp to achieve file synchronization between two devices that are unable to establish a direct connection.

Server

The server config file frps.ini is as follows.

[common]
bind_port = 7000
# HTTP REVERSE PROXY
vhost_http_port = 7001
# HTTPS REVERSE PROXY
vhost_https_port = 7002

Starting the server.

$ ./frps -c ./frps.ini

Client

The client config file frpc.ini is as follows.

[common]
server_addr = {YOUR FRP SERVER ADDRESS}
server_port = 7000

[gofs-https]
type = https
local_port = 443
custom_domains = {YOUR CUSTOM DOMAINS}

[gofs-tcp]
type = tcp
local_ip = 127.0.0.1
local_port = 8105
# TCP REVERSE PROXY
remote_port = 7003

Starting the client.

$ ./frpc -c ./frpc.ini

ngrok

Use ngrok to achieve file synchronization between two devices that are unable to establish a direct connection.

Client

# HTTP(S) REVERSE PROXY
$ ngrok http https://127.0.0.1 --authtoken={YOUR NGROK TOEKN}

# TCP REVERSE PROXY
$ ngrok tcp 8105 --authtoken={YOUR NGROK TOEKN}

Relaying With Reverse Proxy

Take the Remote Disk Server and Remote Disk Client as an example, you simply change the address in the source flag to the address that the reverse proxy will eventually expose.

# remote disk server
$ gofs -source="rs://127.0.0.1:8105?mode=server&local_sync_disabled=true&path=./source&fs_server={YOUR HTTP(S) REVERSE PROXY ADDRESS}" -dest=./dest -users="gofs|password|r" -tls_cert_file=cert.pem -tls_key_file=key.pem -token_secret=mysecret_16bytes

# remote disk client
$ gofs -source="rs://{YOUR TCP REVERSE PROXY ADDRESS}" -dest=./dest -users="gofs|password" -tls_cert_file=cert.pem