Answers for "iptables allow a port"

4

iptables open port

sudo iptables -A INPUT -p tcp --dport xxxx -j ACCEPT
Posted by: Guest on August-17-2020
0

iptables allow port from anywhere

sudo iptables -A INPUT -p tcp --dport 443 -m conntrack --ctstate NEW,ESTABLISHED -j ACCEPT
sudo iptables -A OUTPUT -p tcp --sport 443 -m conntrack --ctstate ESTABLISHED -j ACCEPT
Posted by: Guest on January-02-2021

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