How To Update Iptables In Ubuntu?
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To update iptables on Ubuntu, use the following steps:
1. Log into your server with an account that has sudo privileges.
2. Update the list of packages on your system‘s package index by running the command:
sudo apt–get update
3. Install the latest version of iptables with the following command: sudo apt–get install iptables
4. To make sure you‘ve installed the latest version of iptables, run the command:
iptables —version
5. Configure your iptables rules as needed. For example, to allow all incoming traffic on port 80, you would use the command:
iptables –A INPUT –p tcp —dport 80 –j ACCEPT
6. Save your iptables rules with the command:
sudo iptables–save > /etc/iptables/rules.v4
7. Reload the iptables rules with the command:
sudo iptables–restore < /etc/iptables/rules.v4