Re-edit: the IPSet wasn’t working the way it should’ve on further inspection, I’ve fixed that, plus, some of my rules were hastily copied and I’ve fixed that too. Edit: I had the order of this incorrect in the beginning, for that I appologize, it is correct now. If you don’t have your IPSet list setup,…
This is an update from my IPTABLES config file v2.2 article File: iptablesv25.sh # Jim McKibben # 2014-07-23 # Version 2.5 # Iptables Firewall configuration script # Allows HTTP, HTTPS, SSH, SMTP # SSH Port easy customization # Allows Local Loopback # Allows specific ICMP # Allows DNS Query and Response # Blocks bad source…
Again, working to harden Linux as much as possible. After much searching, reading, researching, comparison, and experimentation I developed this. I will update this post with new content when I revise the firewall configuration. If you scroll down towards the bottom of this post you will find the rest of the parts that make this…
