TT
Size: a a a
TT
᠋᠋
M
sudo ufw disable
sudo iptables -F
sudo iptables -X
iptables -P INPUT DROP
iptables -P OUTPUT ACCEPT
sudo iptables -P DROP FORWARD
iptables -A INPUT -p tcp --dport 22 -j ACCEPT
iptables -A OUTPUT -p tcp --dport 22 -j ACCEPT
iptables -A INPUT --dport 80 -j ACCEPT
iptables -A OUTPUT -p udp --dport 53 -j ACCEPT
iptables -A OUTPUT -p tcp --dport 80 -j ACCEPT
iptables -A OUTPUT -p tcp --dport 443 -j ACCEPT
iptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
M
N
N
iptables -P OUTPUT ACCEPTiptables -A OUTPUT ?N
iptables -A INPUT -i lo -j ACCEPT
iptables -A OUTPUT -o lo -j ACCEPT
M
D
Y
Y
D
B
D
D
D
᠋᠋
᠋᠋
D