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Month: July 2025

How to configuration DNAT (Virtual IP) on Fortigate Firewall

Hello everyone, in this tutorial I’ll discuss about how to configuration DNAT or Destination NAT on fortigate using a virtual IP.  Scenario that will be used in this tutorial  is we want to make some Routers/Servers behind the fortigate in DMZ Zone can be access through a Virtual IP from WAN Zone so that routers/servers

Configure Cisco IOS Login Enhancements for DoS Attack Prevention

Helo everyone, at the previous article I’ve been discuss about SSH restriction access, Now let’s going to the next challege. In this tutorial based on SSH restriction topics, I’ll continue to make the remote access policy more strict. The policy is when the users with permit remote access is failure login 3 times within 60Seconds,

Restrict SSH Access to Enhance Secure Remote on Cisco Router/Switch

Hello everyone, In this tutorial I’ll discuss about how to restrict an SSH Access only for specific network segment so only specific ip or network that can be access the switch or router. Here’s the topology used : Scope of configuration : Basic Config DHCP Server https://www.taufiknurhuda.web.id/2022/07/06/how-to-configuration-dhcp-server-on-router-cisco/ SSH Configuration Access List Restrict Remote Access Network Configuration