gressgraph - Visualize Your iptables Firewall
gressgraph produces a graph of your iptables ruleset using http://graphviz.org/. You can use the graph to:
- Look for vulnerabilities or redundancies.
- Get a
feel
for a network. - Showcase your firewall.
Try It Out
Enter the output of iptables -L -vx here.
About
I’ve deliberately kept the program simple. It has no commandline options.
I haven’t tested gressgraph on many networks. I’m collecting each example that’s submitted through this form to help improve the output for more networks.