What Is SNMP? SNMP (Simple Network Management Protocol) is built for structured monitoring and device management. It works in two...
I’m writing this post because I’ve been in many environments where a VLAN is brought up as if it’s securing...
Understanding the behavior of TCP retransmissions in packet capture, particularly in the context of companies that whitelist IP addresses, is...
As an IT network architect, I like having a short, paste-ready runbook for common site-to-site VPN tasks: validate Phase 1/Phase...
The Security Industry Association (SIA) has released its annual report on the top trends shaping the security industry in 2024....
Cisco ISE Profiling Guide Device profiling in Cisco Identity Services Engine (ISE) enables network administrators to automatically identify and classify...
This is a quick example on how to export a config from a working Firewall and import it into a...
# Author: Kerry Cordero # Version: 1.0.0 # Description: This script prompts for domain and gets the TLS version for...
If you look below, you can see going over a tunnel that the decaps are at 0 and the encaps...
This is one way to find public IP Ranges for email using DIG. This is used if you want to...