Security

Zero-Trust Networking & Converged Security

Post Views: 1,596 The following is a technical SWOT analysis for Network Engineers, Security Engineers, and Senior Technicians. I apologize for the high number of acronyms used below, but hey, this is networking! In networking, Zero-Trust is not a single product or control. It’s an architecture and operating model where no network location (LAN, WAN, […]

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MPLS – The Most Secure without Encryption

Post Views: 2,153 Let’s just start right out and say: contrary to the scare tactics made by some, that MPLS traffic has been exposed by the providers that operate MPLS, there has never been any validated evidence that such a breach has indeed ever occurred, other than some alleged errors in configuration. MPLS operates between

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Is Wireshark a Red Team or Blue Team Tool?

Post Views: 2,249 Great question. In one sentence it is a purple tool, meaning both! Wireshark itself is a passive tool, it is non-intrusive — it doesn’t create attacks — but it’s a force multiplier for both Red and Blue Teams depending on who controls the capture point and how the data is used. Let

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Implementing AI in Network Automation While Maintaining Human Expertise

Post Views: 3,646 As a follow on to my article on whether AI can be used in Networking, this post dives in deeper to a question of will humans still be involved? And if so, how do we upskill that human expertise? To successfully integrate AI into network automation while ensuring human expertise is maintained,

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Configuring Windows Firewall Rules using netsh

Post Views: 23,502 Windows Firewall allows you to control the traffic entering and leaving your system through various rules. You can create and configure firewall rules to permit or block specific network activities. Below are some examples of Windows Firewall rules, including inbound and outbound rules: Example 1: Allow Inbound Traffic on a Specific Port

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What are some examples of Physical Layer Threats in Networking?

Post Views: 5,544 A great question in my two day Security class recently. The physical layer (Layer 1) of the layered model is responsible for the transmission of raw data bits over a communication medium. Although it is often considered more secure due to its reliance on physical components, it is still vulnerable to a

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What was the nature of the July 2024 CrowdStrike computer outages?

Post Views: 2,273 I am getting asked a lot about this. Below is mix of reporting and my take on what happened and what needs to be done. Just so we are clear: I have no secret inside knowledge or insight into the problems. But if you are looking for a clear explanation, read on.

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Why are NAT/NPAT not a security function?

Post Views: 4,105 Network Address Translation (NAT) and Network Port Address Translation (NPAT) are not considered a security function because its primary purpose is to modify the L3 network address information in IPv4 packet headers and L4 port numbers of TCP or UDP while in transit. NAT and NPAT are not needed in IPv6 networking.

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View Historical Web Pages with Wayback!

Post Views: 6,818 Let’s say you wanted to view our site back in 2001.  Could you do it?  The answer is yes! That’s right, someone has been crawling the web called the Wayback Machine (https://web.archive.org). The Wayback Machine is a digital archive of the World Wide Web and other information on the Internet created by

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