Practica UFW

gistfile1.txt

# Allowing ssh connection and manage of utility
# ip host   192.168.1.97
# ip vm     192.168.1.121
# services running in vm:
# - mongodb
# - mqtt server

# install ssh
 sudo apt-get install openssh-server -y

# check service is up
 sudo systemctl status ssh

# enable ssh service
 sudo service ssh restart
 
# See port status
 nmap [ip][host][domain]
 nmap [ip][host][domain] -p [port] | grep -i tcp

# UFW status
 sudo ufw status verbose

# set up basic UFW rules
 sudo ufw deny incoming
 sudo ufw default allow outgoing

# Defining allow rules
 sudo ufw allow [service][port]
 sudo ufw allow ssh
 sudo ufw allow service
 sudo ufw allow from [ip] to any port 22
 sudo delete allow ..

# Enable UFW
 sudo ufw enable

# test connection
 ssh [user]@[ip][hostname]