UFW

sudo ufw status

🔗 Network Configuration

The standard UFW - Uncomplicated firewall can be used to control network access to your node and protect against unwelcome intruders.

Configure UFW Defaults

By default, deny all incoming traffic and allow outgoing traffic.

6  sudo ufw default deny incoming
7  sudo ufw default allow outgoing

Configure SSH Port 22
8  sudo ufw allow from 177.177.1.0/24 to any port 22 proto tcp comment 'Allow SSH from local network'

Execution
9  sudo ufw allow 30303 comment 'Allow execution client port'

Consensus

10 sudo ufw allow 9000 comment 'Allow consensus client port' 11 sudo ufw enable 12 sudo ufw status numbered 13 history

177.177.1.0 <- local network.

ludo ufw allow from 177.177.1.0/24 to any port 22 proto tcp comment 'Allow SSH from local network'

por favor visitar: https://www.coincashew.com/spanish/coins/overview-eth/guide-or-how-to-setup-a-validator-on-eth2-mainnet/part-i-installation/step-2-configuring-node