#firewall #iptables #rules

Deny all incoming connections with iptables?

# Set default chain policies

iptables -P INPUT DROP
iptables -P FORWARD DROP
iptables -P OUTPUT ACCEPT

# Accept on localhost
iptables -A INPUT -i lo -j ACCEPT
iptables -A OUTPUT -o lo -j ACCEPT

# Allow established sessions to receive traffic
iptables -A INPUT -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT

#ebook #firewall #iptables
Ebook sobre firewall no GNU/Linux

@pr1v8

#iptables #learn #basic #linux

Layman's iptables 101

https://iximiuz.com/en/posts/laymans-iptables-101/