# Connect to a Local Node

You can use the Polkadot/apps to connect to your local HydraDX node. For this purpose, you need to have access to port 9944 which is used for RPC websocket connections.

##### warning

If you are running the node as a validator, we highly recommend that you blacklist port 9944 for remote connections. This port could be abused by third parties to degrade the performance of your node, which may result in slashing and involuntary loss of funds. You should use port 9944 to connect to your validator node only when the node is in your local network.