Linux Iptables Course
This course provides practical training on configuring iptables firewalls for secure network gateways, covering rule creation, NAT, monitoring, and troubleshooting.

from 4 to 360h flexible workload
certificate valid in your country
What will I learn?
The Linux Iptables Course equips you with hands-on skills to set up, configure, and fix secure firewall rules on gateways with multiple network interfaces. You'll cover iptables structure, chains, tables, NAT, and stateful filtering, then create straightforward, easy-to-manage rules for local area networks, demilitarised zones, and internet traffic. The course includes logging, monitoring, secure rollout, and checking to help you reliably safeguard and optimise actual setups.
Elevify advantages
Develop skills
- Design secure iptables firewall policies: quick, practical, ready for real use.
- Build and strengthen iptables rulesets using NAT, DNAT, MASQUERADE, and logging.
- Set up multi-NIC Linux gateways with separation for LAN, DMZ, and internet zones.
- Monitor and fix iptables issues with tcpdump, conntrack, curl, and nmap.
- Check and safely apply iptables updates using rollbacks and step-by-step testing.
Suggested summary
Before starting, you can change the chapters and workload. Choose which chapter to start with. Add or remove chapters. Increase or decrease the course workload.What our students say
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