Published: June 11, 2026 | Category: Palo Alto / Security Advisories | Author: Bhardwaj Vishnu | Affects: PAN-OS GlobalProtect (Portal & Gateway) | CVSS v4 Score: 7.8 (High) | CISA KEV: Added May 29, 2026 If you’re running a Palo Alto Networks firewall with GlobalProtect and you haven’t patched yet, stop reading this sentence and … Read more
I keep coming back to this same set of commands every time an HA pair acts up, so I put them all in one place. When a FortiGate cluster fails to sync, a heartbeat link degrades, or you hit an unexpected failover, knowing the right command beats hunting through the GUI. Whether you’re chasing a … Read more
FortiGate debug commands Troubleshooting network connectivity and VPN tunnels on a FortiGate firewall can feel like searching for a needle in a haystack without the right visibility. Fortunately, FortiOS provides a powerful suite of CLI diagnostic tools to trace packets and dissect IKE negotiations in real time. This comprehensive guide breaks down essential FortiGate debug … Read more
Introduction Scaling an enterprise network isn’t just about buying more hardware — it’s about operational efficiency. When you’re rolling out dozens or hundreds of new branch locations, configuring each site by hand through the GUI wastes a huge amount of engineering time. Worse, manual data entry all but guarantees configuration drift and IP overlap eventually … Read more
Introduction Managing a handful of branch firewalls through the dashboard is fine. But once your network scales to dozens, hundreds, or thousands of locations, manual configuration becomes a liability. Clicking through the Meraki Dashboard to update one Layer 3 outbound firewall rule across 50 sites isn’t just tedious — it invites configuration drift, human error, … Read more
Introduction Deploying a single branch network is straightforward. But once you’re rolling out dozens or hundreds of remote sites, relying on manual GUI configuration turns into a serious operational bottleneck. One of the most common workflows I run into with Cisco Meraki is cloning a “Golden Template” network to spin up a new site quickly. … Read more
Introduction Rolling out a single branch office by hand through the dashboard is manageable. But once you’re deploying fifty, a hundred, or a thousand new sites, manual configuration turns into operational bottlenecks, configuration drift, and the occasional costly typo. That’s why I lean on Infrastructure as Code (IaC) and API-driven automation once you’re past a … Read more
When I moved from configuring Cisco Meraki networks manually through the GUI dashboard to automating deployments with the Meraki API, the very first wall I hit wasn’t authentication or rate limits — it was simply knowing which organization and network I was actually talking to. Before you can clone a site, push firewall rules, or … Read more
Introduction to FortiGate DHCP over IPsec VPN When you deploy a FortiGate Remote Access VPN (Dial-Up IPsec), the default and most heavily documented method for assigning IP addresses to remote clients is Mode Config. Mode Config is highly automated — it pushes virtual IP addresses, DNS server settings, and split-tunneling routes down to the FortiClient … Read more
FortiGate IPsec Remote Access VPN I set this up whenever remote employees need encrypted access into a corporate LAN without a fixed site-to-site link on the other end. Unlike a site-to-site tunnel, a remote access (dial-up) VPN accepts connections from client devices on unknown, changing public IPs — laptops on home Wi-Fi, hotel networks, mobile … Read more