Then you need to open the C2S port (by default `52822`, but check the pluginsettings to get the current value) in your firewall so that it can be reached from the internet.If you don't want to use C2S connections for anything else than your Matterbridge service, you should restrict access to this port to your Matterbridge server IP.
In case you are using a port other than `5222` (XMPP standard port) you also need to set the [xmpp-client SRV record](https://prosody.im/doc/dns#srv_records) to the correct port.
This documentation use an anonymous account to connect the bridge to the chat.But since the livechat v10.1.0, there is a new way to generate long term authentication token, that allows to connect using your account.This is used for [OBS docks](/peertube-plugin-livechat/documentation/user/obs).Using this feature for other purposes is not documented and not officially supported yet.If you want to use it anyway, you can request a token by calling then `/plugins/livechat/router/api/auth/tokens` endpoint.To get needed headers and request body, just check what happens when you generate a new token for OBS docks.