http://www.techrepublic.com/article/get ... -firewall/
Available in standard repositories, so Dog and Puppy can both use it.
Link above for a guide.
For most users, the default UFW policy is good enough : deny incoming and allow outgoing.
Enabling UFW : ufw enable
reboot
check status : ufw status (active).
it can't be more simple than that.
The GUI for UFW is Gufw :
http://gufw.org/
https://help.ubuntu.com/community/Gufw
Conclusion :
With ufw and gufw, you don't need to be a cybersecurity geek; in no time, you have a firewall protecting your network.
Further reading :
Best free Linux firewalls of 2019: go beyond Iptables for desktops and servers
https://www.techradar.com/au/best/best- ... -firewalls
UFW
I've used gufw for a while now. Nice and simple as you say. One aspect I did find a little confusing at first is that when you run gufw as root it looks as though the firewall is off (quite gray interface), but when you click the unlock choice/button it springs into more colour and reveals that its actually ON (or if not you can turn it on). Mostly a set and forget thing however (I don't even bother with a panel/tray icon for it).
Add to that a good /etc/hosts file content ... which many pup's have something like a MENU, INTERNET ... last choice (Adblock) function already included to set that up ... and that can be used instead of something like ublock origin or adblock (lightens the load on the browser).
You could get away with just having NoScript as the only addon/extension installed in Firefox and along with the above two ...
Add to that a good /etc/hosts file content ... which many pup's have something like a MENU, INTERNET ... last choice (Adblock) function already included to set that up ... and that can be used instead of something like ublock origin or adblock (lightens the load on the browser).
You could get away with just having NoScript as the only addon/extension installed in Firefox and along with the above two ...