If you have a linux device, install nmap if it isn't already installed then run this command to test your node and computers. sudo nmap -n -PN -sT -sU -p 631 $YOUR_NODE_IP_HERE nostr:nevent1qqsd0uejcglgyf6x3esjc2les60fszjp4auhj6k5e52gxj67hwsmy6spz3mhxw309ucnydewxqhrqt338g6rsd3e9upzqqgd7ry53l56k4xjedl2gg8l5zx409vfsxmw568g8248avka8uz6qvzqqqqqqy9emfkr