Category Archives: Network

25 February, 2026

Basics of Wireshark – Session 4 – Where to Capture From

Configure Wireshark port mirroring on FortiGate, Cisco, and Juniper devices. Learn to capture PCAPs from switches and firewalls for accurate network troubleshooting.

24 February, 2026

Basic of Wireshark – Session 3 – Capture vs Display Filters

Learn the difference between Wireshark capture and display filters. Master BPF syntax for capture filters and Wireshark-specific logic for display filters to reduce noise.

23 February, 2026

Basics of Wireshark – Session 2 – Ring Buffers, Color Schemes and CLI Tools

Configure Wireshark ring buffers for long-term captures. Compare pcap vs pcapng formats and apply color schemes to analyze network traffic efficiently.

22 February, 2026

Basics of Wireshark – Session 1 – Setting up your Wireshark Install

Learn how to install Wireshark on macOS. Configure ChmodBPF for safe packet capture and add tools to your system path for easy terminal access.

14 February, 2026

Deploying FortiWeb on ProxMox Server

Deploy FortiWeb on Proxmox by importing qcow2 images and configuring VM hardware. Follow these steps to set up disk boot order and network settings.

7 February, 2026

Understanding Netplan on Linux

Learn to configure Netplan on Linux using YAML files. Understand lexicographical file priority and predictable interface naming to manage network settings reliably.

7 February, 2026

Adding Networks to you EVE-NG Installation

Learn how to add networks to EVE-NG by configuring Proxmox VLANs and Linux bridges. Connect lab devices to external gear using pnet interfaces.

5 February, 2026

Maximum Transmission Unit (MTU)

Test MTU with ping to find the optimal size for your network. Learn to fix fragmentation issues, configure MSS clamping, and deploy Jumbo Frames...

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.

22 January, 2026

Traffic Shaping with FortiGate Firewalls

Configure FortiGate traffic shaping to prioritize VoIP over video. Learn shared vs per-IP shapers, DSCP marking, and queuing algorithms for reliable bandwidth management.

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.

21 October, 2024

Syncing Sublime Text for macOS with iCloud

Learn how to sync Sublime Text with iCloud on macOS using symbolic links. Keep your settings and packages consistent across multiple Macs.

26 July, 2021

IPv4 and IPv6 DHCP Options

Reference list of common IPv4 and IPv6 DHCP options. Configure subnet masks, DNS, TFTP servers, and vendor-specific settings for network devices.

14 May, 2020

Built-In “IPerf” on the FortiGate Firewall

Learn how to run iperf3 tests on FortiGate using diag traffictest. Configure server and client modes to validate throughput and connectivity.

1 April, 2020

Deploying Grafana and Monitoring your AWS environment

Install Grafana on Ubuntu and connect AWS CloudWatch as a datasource. Includes step-by-step commands and the required IAM policy JSON for secure access.

18 January, 2020

VX-LAN over IPSec using Fortigate Firewalls

Configure Fortigate VXLAN over IPSec to extend Layer 2 networks. Includes Phase I/II setup, soft-switch commands, and firewall policies for working tunnels.

4 June, 2019

Installing Observium to Monitor SNMP enabled devices

Install Observium on CentOS to monitor SNMP enabled devices. Configure the database, web server, and cron jobs to start polling your network infrastructure.

22 May, 2019

Fortigate DHCP and Microsoft Dynamic DNS

Configure Fortigate DHCP to update Microsoft DNS records. Set Windows Server dynamic updates, client TCP/IPv4 properties, and GPO settings for automatic registration.