Welcome to E2E Networks Security documentation!

• Open/Close ports on Iptables - Linux
  • Prerequisite
    • Step 1 : List the current Iptables rules
    • Step 2 : Backup the Iptables
    • Step 3 : Add/Remove an Iptable rule
    • Step 4 : Block Outbound Port
    • Step 5 : Save the Iptable Rule
    • Step 6 : Restore Iptables Backup
  • Conclusion
• Open/Close ports on Windows Firewall
  • Introduction:
  • Steps to open a port
  • Create an Outbound Port Rule
• Open/Close ports on Firewalld - Linux
  • UBUNTU
    • Open the Port:
    • Check the Rules:
    • Close the Port: