Setting up Uncomplicated FireWall (UFW)

Primarily used on Ubuntu and Debian:

apt-get install ufw
 
ufw enable
 
ufw default deny incoming
ufw default allow outgoing
 
# checkit:
ufw status verbose
 
# add ssh
ufw allow ssh
 
# add other rules by servicename or custom, e.g. for Redis:
# ufw allow in on eth1 to any port 6379 proto tcp

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