myhome/.config/iptables

# CONFIGURATION:
# Default configuration to DROP
iptables -P INPUT DROP
iptables -P FORWARD DROP
iptables -P OUTPUT DROP

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

# Accept outgoing network
iptables -A OUTPUT -o eth0 -j ACCEPT

# Enable SSH (to that machine)
iptables -A INPUT -p tcp -m state --state NEW -m tcp -s 192.168.0.0/24 --sport 22 -j ACCEPT
iptables -A INPUT -p tcp -m state --state NEW -m tcp -s 192.168.0.0/24 --dport 22 -j ACCEPT

# Enable INZ
#iptables -A INPUT -p tcp -m state --state NEW -m tcp -s 192.168.0.0/24 --dport 1285 -j ACCEPT
#iptables -A INPUT -p tcp -m state --state NEW -m tcp -s 192.168.0.0/24 --dport 3000 -j ACCEPT
#iptables -A INPUT -p tcp -m state --state NEW -m tcp -s 192.168.0.0/24 --dport 8080 -j ACCEPT

#Enable CSGO
iptables -A INPUT -p tcp -m state --state NEW -m tcp -s 192.168.0.0/24 --dport 27015 -j ACCEPT
iptables -A INPUT -p tcp -m state --state NEW -m tcp -s 192.168.0.0/24 --dport 27020 -j ACCEPT
#iptables -A INPUT -p udp -m state --state NEW -m tcp -s 192.168.0.0/24 --dport 27015 -j ACCEPT
#iptables -A INPUT -p udp -m state --state NEW -m tcp -s 192.168.0.0/24 --dport 27020 -j ACCEPT

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

iptables -A INPUT -i eth0 -m state --state NEW,INVALID -j DROP
iptables -A FORWARD -i eth0 -m state --state NEW,INVALID -j DROP
# END OF CONFIG

# END CONFIGURATION:
# END OF CONFIGURATION