This article guides how to configure IPSec VPN Site-to-Site between two firewall devices: Fortinet Firewall and Sophos Firewall, in order to securely connect LAN networks at two different sites through the Internet. After the configuration is completed, the following LAN networks can connect and access each other: 192.168.20.0/24 – Site B 172.16.16.0/24 – Site A … Đọc tiếp [Latest 2026] Sophos Firewall: Guide to Configuring VPN Site-to-Site Between Fortinet Firewall and Sophos Firewall Firmware V22