What are some essential Linux firewall commands I should know?
Some essential Linux firewall commands include iptables
, firewalld
, and ufw
. Would you like details on any specific command?
Can you explain how to use iptables
?
Certainly! iptables
is used to set up, maintain, and inspect the tables of IP packet filter rules. You can use commands like iptables -L
to list rules or iptables -A INPUT -p tcp --dport 22 -j ACCEPT
to allow SSH traffic.
What is the difference between iptables
and ufw
?
iptables
is a more complex and powerful tool that allows for detailed configuration, while ufw
(Uncomplicated Firewall) is designed to simplify the process of managing a firewall.
How can I check the status of my firewall?
You can check the status of your firewall by using sudo ufw status
for UFW or iptables -L
for iptables.
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