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Block outgoing traffic to local networks.

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Ivaylo Novakov 2021-05-18 11:41:25 +02:00
parent 726c66942c
commit e3066604c0
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setup-scripts/setup-server.sh
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@ -26,6 +26,15 @@ sudo ufw logging low # enable logging for debugging purpose: tail -f /var/log/uf
sudo ufw allow ssh # allow ssh connection to server
sudo ufw allow 80,443/tcp # allow http and https ports
# Block outgoing traffic to local networks
# https://community.hetzner.com/tutorials/block-outgoing-traffic-to-private-networks
sudo ufw deny out from any to 10.0.0.0/8
sudo ufw deny out from any to 172.16.0.0/12
sudo ufw deny out from any to 192.168.0.0/16
sudo ufw deny out from any to 100.64.0.0/10
sudo ufw deny out from any to 198.18.0.0/15
sudo ufw deny out from any to 169.254.0.0/16
# OPTIONAL: terminfo for alacritty terminal via ssh
# If you don't use the alacritty terminal you can remove this step.
wget -c https://raw.githubusercontent.com/alacritty/alacritty/master/extra/alacritty.info