Use nftables on your Linux machine to add more security.

The nftables firewall is a good alternative to iptables. This has better performance than the old iptables system. To install this on Ubuntu 18.04, run this command. 4.4 Thu Sep 12 jason@Yog-Sothoth 0: $ sudo apt install nftables4.4 Thu Sep 12 jason@Yog-Sothoth 0: $ sudo apt install nftables Edit the /etc/nftables.conf file to remove the … Read more

How to have iptables entries applied on boot.

The iptables entries are lost upon reboot with a standard configuration, but this can be applied on boot with the right script. Create a script in the /etc/network/if-up.d directory named iptables. jason@hoshi:~$ sudo touch /etc/network/if-up.d/iptables [sudo] password for jason:jason@hoshi:~$ sudo touch /etc/network/if-up.d/iptables [sudo] password for jason: Put this in it. #!/bin/sh iptables-restore < /etc/iptables.conf#!/bin/sh iptables-restore … Read more

Using iptables on a Linux system to secure your computer against Internet threats. This is important.

Securing your Linux computer with iptables is a great way to make sure that you are safer from Internet attacks. The iptables(8) system is the built in firewall for a Linux system. This makes it very easy to secure your computer. Before you change any settings, backup your iptables configuration. iptables-save > backup.confiptables-save > backup.conf … Read more