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  • Version : 0.8.9
  • Update Date : 2014-06-18
  • Developer : Stéphane
  • OS : ThecusOS 5 32bit


Syncthing replaces Dropbox and BitTorrent Sync with something open, trustworthy and decentralized. Your data is your data alone and you deserve to choose where it is stored, if it is shared with some third party and how it's transmitted over the Internet.
Using syncthing, that control is returned to you.


Secure & Private

Private. None of your data is ever stored anywhere else than on your computers. There is no central server that might be compromised, legally or illegally.
Encrypted. All communication is secured using TLS. The encryption used includes perfect forward secrecy to prevent any eavesdropper from ever gaining access to your data.
Authenticated. Every node is identified by a strong cryptographic certificate. Only nodes you have explicitly allowed can connect to your cluster.

Open Development

Open Discourse. Development and usage is always open for discussion.
Open Source. All source code is available on GitHub — what you see is what you get, there is no hidden funny business.
Open Protocol. The protocol is a documented standard — no hidden magic.
Open Development. Any bugs found are immediately visible for anyone to browse — no hidden flaws.

Easy to Use

Syncthing is still in development, although a large number of features have already been implemented:

Web GUI. Configure and monitor Syncthing via a responsive and powerful interface accessible via your browser.
Portable. Works on Mac OS X, Windows, Linux, FreeBSD and Solaris. Run it on your desktop computers and synchronize them with your server for backup.
Simple. Syncthing doesn't need IP addresses or advanced configuration: it just works, over LAN and over the Internet. Every machine is identified by an ID. Just give your ID to you friends, share a folder and watch: uPnP will do if you don't want to port forward or you don't know how.
Powerful. Synchronize as many folders as you need with different people.


the first install is a bit long due to certificate / RSA Key creation (may be you have to reload the module Webui to see the config file display)
Modify the Config file on your need
to have access to the webui change [color=#FF0000]
[/color] into [color=#FF0000]
[/color] (also change port if required by default listen on port 8080)
create by default a /Sync on / pointing to your /raid/data/SyncThing (created on start)
Firewall rules (for WAN) and remote access :

Port Forwards

If you have a NAT router, the easiest way to get a working port forward is to make sure UPnP is enabled – syncthing will handle the rest. If this is not possible or desirable you should set up a port forward for port 22000/TCP, or the port set in the Sync Protocol Listen Address setting.

Local Firewall

If your PC has a local firewall, you will need to open the following ports for incoming traffic:

Port 22000/TCP (or the actual listening port if you have changed the Sync Protocol Listen Address setting.)
Port 21025/UDP (for discovery broadcasts)

Remote Web GUI

To be able to access the web GUI from other computers, you need to change the GUI Listen Address setting from the default to You also need to open the port in your local firewall if you have one.

Compatible Models

1U4200XXX, 1U4600, N2200XXX, N3200XXX, N4100PRO, N4200, N4200Eco, N4200PRO, N5200XXX, N5500, N7700, N7700+, N7700PRO, N7700SAS, N8200XXX, N8800, N8800+, N8800PRO, N8800SAS,