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Securing a Reconmap server

This document assumes you are securing Reconmap on a Debian server. Instructions for other Linux distributions will be different but very similar.

Firewall

sudo debconf-set-selections <<EOF
iptables-persistent iptables-persistent/autosave_v4 boolean true
iptables-persistent iptables-persistent/autosave_v6 boolean true
EOF

sudo apt-get install -y iptables-persistent

sudo iptables -I DOCKER-USER -i eth0 ! -s 127.0.0.1 -p tcp --dport 3306 -j DROP
sudo iptables -I DOCKER-USER -i eth0 ! -s 127.0.0.1 -p tcp --dport 8080 -j DROP
sudo iptables -I DOCKER-USER -i eth0 ! -s 127.0.0.1 -p tcp --dport 3001 -j DROP
sudo iptables-save