Martin

I can sit through entire seasons of this new AI Seinfeld series! 😆

A VLAN (Virtual Local Area Network) logically segments a network into separate broadcast domains. It allows you to group devices based on their department, function, or security requirements, even when they share the same physical switching infrastructure. For example, HR, Finance, IT, and Guest devices can all be placed in separate VLANs. An ACL (Access Control List) controls which traffic is allowed or denied based on criteria such as source IP, destination IP, protocol, and port number. For example, you can use ACLs to: - Allow HR to access specific internal servers. - Deny Guest devices access to internal networks. - Restrict access to network management interfaces. So, which one should you use? It's not an either-or decision. VLANs provide network segmentation, while ACLs enforce traffic restrictions. A properly secured network often uses both: 1. Create separate VLANs to isolate departments and device categories. 2. Apply ACLs to control communication between those VLANs. 3. Permit only the traffic required for legitimate operations. Remember, separate VLANs do not automatically mean secure networks. If inter-VLAN routing is enabled without proper filtering, devices in different VLANs may still communicate. VLANs define the boundaries. ACLs control what crosses them.

It’s @qc_con week and we're a proud Ruby Sponsor! Don't miss @HackingDave's “I-Pocalypse or Cybersecurity 2.0?” at 10:00AM and @_snus’s “Using AI in Reverse Engineering: Beginners Edition” at 11:00AM this Friday. Be sure to find us at our booth 👋 hubs.la/Q04DMPkw0

Breaking News: Nvidia opened an investigation into Jensen Huang, its CEO, after he acknowledged to the company’s board that he had been intimate with a business executive who U.S. intelligence determined to be a Chinese spy. nyti.ms/3ViPMAt

Indiana woman goes viral for her very unexpected accent while giving a whole baked potato review

Chainalysis, the blockchain analytics company whose clients include law enforcement and national security entities, said all its users had some information exposed in a cyberattack therecord.media/chainalysis-…

this should be amusing....

Cleveland pastor introduces her husband’s second wife to the congregation at Lifeworks Church in Cleveland, Ohio 😳