Is a Firewall really necessary these days? [closed]
Solution 1:
Yes, more than ever. The internet hasn't changed a lot, since the old days. So a firewall is still a necessity these days. A firewall like gufw, with basic rules works. Use iptables, if you are a CLI geek ;)
Solution 2:
Please check this reply for furthur discussion on Firewalls on Ubuntu.
Why is the firewall disabled by default?