Category Archives: FortiGate

27 March, 2026

Sending FortiGate Alerts to Discord Channel

Configure a FortiGate Discord webhook to send security alerts. Follow this guide to create a Discord channel, set up the webhook, and build the...

26 March, 2026

Monkey Bites – SIP Trouble Shooting Commands

Use FortiGate diagnose sys sip commands to fix VoIP issues. Check SIP status, list dialogs, debug NAT mappings, and clear stuck sessions on FortiOS.

21 March, 2026

FortiGate HA Methods; FGSP vs FGCP

Compare FortiGate FGSP vs FGCP HA methods. Learn when to use FGCP for standard clusters or FGSP for ECMP and asymmetric routing. Get the...

17 March, 2026

Monkey Bites – ICMP Security Risks

Identify ICMP security risks like ping floods and redirects. Learn how to mitigate threats with rate limiting, type-aware firewall rules, and proper network segmentation.

17 March, 2026

Monkey Bites – DHCP Functions on FortiGate Firewall

Use FortiGate DHCP debug commands to troubleshoot DORA handshakes. Learn to enable verbose logging and capture packets for network issues.

17 March, 2026

Monkey Bites – FortiGate TAC Report Procedure

Learn the correct procedure to run execute tac report on FortiGate. Avoid buffer limits and secure sensitive data when submitting diagnostics to Fortinet TAC.

16 March, 2026

Monkey Bites – Forcing FortiGate Registration to FortiGuard Servers

Force FortiGate registration to FortiGuard servers using diagnose fdsm. Fix license sync errors and validate FortiManager contract status in closed networks.

8 March, 2026

No compatible key-exchange method – SecureCRT and FortiGate

Resolve the no compatible key-exchange method error between SecureCRT and FortiGate. Configure FortiOS 7.6 SSH settings and SecureCRT Ed25519 keys for successful login.

14 February, 2026

Deploying FortiAIOps in my ProxMox Lab

Learn how to deploy FortiAIOps on Proxmox using KVM. This guide covers hardware requirements, importing the disk image, and initial network configuration.

30 January, 2026

Host Header Based NAT’ng

Configure FortiGate host header NAT to host multiple apps on one IP. Set up virtual servers, HTTP multiplexing, and SSL offloading in FortiOS.

26 January, 2026

InfoSec Monkey Lab – Update

Build a Proxmox Eve-NG lab for FortiGate SD-WAN, FortiNAC, and BGP testing. Configure multi-homed ISPs with WAN emulation for jitter and latency.

25 January, 2026

Convert FortiGate Sniffer Packet Capture to PCAP

Convert FortiGate diag sniffer output to PCAP using a Python script. Supports macOS, real-time piping, and modern timestamp handling for Wireshark analysis.

18 January, 2026

MAC Sticky Ports on FortiSwitch

Learn how to configure FortiSwitch sticky MAC ports via CLI to restrict unauthorized devices. Set learning limits and save MACs for persistent security.

28 April, 2025

Mass Create Objects in FortiGate with Python

Mass create FortiGate objects with Python using CSV templates. Automate static route deployment for ISFW without manual CLI entry.

30 July, 2024

TCP Encpsulation of ESP Packets for VPN Tunnels

Configure FortiGate TCP encapsulation for ESP packets to bypass UDP 500/4500 blocks. Learn to set IKEv2 TCP transport via CLI or UI in FortiOS.

29 July, 2024

Virtual Patching – Local-In management interface

Configure FortiGate virtual patching on the local-in management interface. Step-by-step CLI commands for 7.4 and GUI setup for 7.6 to secure your firewall.

27 May, 2024

My FortiGate FortiOS CLI Bible’ish

Master FortiGate CLI commands with this practical cheat sheet. Learn recon, sniffer, session debugging, and performance checks for daily FortiOS administration.

26 May, 2024

Cisco Wildcard Objects in FortiOS

Learn how to create Cisco wildcard objects in FortiOS using the CLI. Configure firewall addresses and calculate wildcard masks for FortiGate policies.