https://sudonull.com/little-snitch-linux-ebpf-firewall
Learn about the Linux version of Little Snitch: eBPF application traffic monitoring, blocking by IP/domains, web interface. Installation and comparison with OpenSnitch for developers.
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https://sudonull.com/ip-camera-certification-in-india-new-security-rules
India Requires Full Disclosure of Architecture and Supply Chain for IP Cameras. Who Passed Certification, Risks for Hikvision and Dahua. Details for IT Specialists — Read and Adapt Systems.
https://sudonull.com/ip-blocking-in-the-fight-against-piracy-harms-legitimate-websites
Mass IP address blocking to combat illegal football broadcasts causes outages for thousands of legitimate websites. Learn about the consequences for internet infrastructure.
https://sudonull.com/powershell-monitoring-ip-windows-nftables
Set up dynamic capture of Windows application IP addresses via PowerShell and automatic addition to OpenWRT nftables. Script with code for middle/senior devs. Study the implementation.
https://sudonull.com/osi-tcp-ip-network-models-protocols-and-vulnerabilities
Complete reference on OSI and TCP/IP models, protocols from Ethernet to QUIC. Layers, PDU, security risks, commands for middle/senior developers. Study network structures.
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