Networking
Post #7338, on Oct 27, 2025 in TG
Physical Air Filter Sitting on Top of Network Switches as Internet Filter
Description
A photo from a college lab server room showing a literal physical air filter (cylindrical HEPA/vacuum type) placed on top of a rack of network switches and routers. The air filter has a label that reads 'INTERNET FILTER'. Above the rack is a sign reading 'COLLEGE LAB'. The equipment visible includes Cisco-style network switches with numerous ethernet ports, blue and orange patch cables, and an AXIS branded device at the bottom. The joke is a literal interpretation of 'internet filter' -- instead of software-based content filtering, someone placed an actual physical air filter on the networking equipment. The blue LED glow from the filter adds to the absurdity
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Comments
10Comment deleted
Finally, a content filter that blocks 100% of packets -- along with dust particles, allergens, and any hope of network connectivity
This new firewall has a 100% success rate at blocking layer 7 attacks, but it's surprisingly vulnerable to dust bunnies and seasonal pollen
After 20 years of explaining packet filtering to management, someone finally implemented the solution they understood - though the throughput on this HEPA-compliant firewall might be a bit restricted
Finally, a content filter that actually works at the physical layer - OSI model Layer 0, where all packets get HEPA-filtered before reaching the switch
Peak sysadmin innovation: content filtering at OSI Layer 0, where no packet escapes the cotton wool
what? Comment deleted
Is it production solution? Comment deleted
it will get dirty pretty fast... Comment deleted
I wanna try it on YouTube Comment deleted
Ah, the infamous air gap! Comment deleted