How to Configure DHCP Option 119 in Windows DHCP Server and Cisco Switch

This post is to document the process to configure DHCP option 119 in Windows DHCP Server and Cisco Switch. Environment Windows Server 2022 Domain Controller with DHCP roles configured Windows 10 devices on the end user side Multiple Domains with two-way trust configured DNS Suffix needs to be configure for both domains: ICTFella.com and DomainAA.com

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How to Configure FileZilla FTP Server with FortiGate Firewall

This post is to demonstrate the process to Configure FileZilla FTP Server with Fortigate Firewall. FileZilla Server configuration Connection configuration Auto-ban configuration Passive mode port range FTP user configuration Fortinet FortiGate Firewall configuration In virtual IP configuration, we have dedicated public IP, hence 1 to 1 Static NAT is used Firewall Policy configuration Common Error

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How to Fix Mimecast Contacts Export Tool – fail to authenticate

This post is to fix the Mimecast Contacts Export Tool “fail to authenticate” error. Environment Microsoft Office365 with Exchange Online Only (there is no on-premise Exchange) Mimecast Contacts Export tool is used to gather all the permit sender email address list “Fail to authenticate” error pops out while logging into the Mimecast Contact Export tool

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How to Back up Cisco Switch Router Automatically to FTP Server

This post is to demonstrate the process to configure the Cisco switch or router device to back up the Cisco configuration file automatically to the FTP server. Environment Cisco Catalyst 9000 switch, works on Cisco routers as well Server: Microsoft Windows Server 2022 FTP application: Filezilla Server Application Configure Filezilla FTP server Assume you have

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How to Configure Port Forwarding Destination NAT on Fortinet Firewall

This post is to demonstrate the quick steps to configure port forwarding / Destination NAT on the Fortinet Fortigate firewall. Environment Fortinet Fortigate firewall. ISP has provided a /29 range of the public IP addresses. The requirement is to open port 443 from specific public IP addresses, not the whole internet. Configure Virtual IP or

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How to configure IPsec VPN between Fortinet and Sophos Firewall

This post is to document the process to configure static IPsec VPN between Fortinet and Sophos Firewall. Environment 1x Fortinet Fortigate Firewall cluster running at active-passive mode 1x Sophos UTM Firewall Both sides have static public IP assigned Phase 1 and Phase 2 use the same encryption (AES256) and authentication (SHA256) algorithm, Group 14 or

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