DSDoogal Simpsonindoogal.dev·1h ago · 5 min readHow Cell Towers Share Spectrum: LTE Resource BlocksQuick Answer: Mobile towers manage thousands of concurrent phone connections across limited radio spectrum by slicing a single channel (such as a 20 MHz band) across two dimensions: frequency subcarri00
DDDenys Deputatovindialogbrain.hashnode.dev·1h ago · 7 min readGiving an AI agent its own IP addressAn agent that logs into sites on your behalf arrives from a datacenter, and the sites can tell. You can now hand it your own WireGuard, OpenVPN or residential proxy, for the whole workspace, or for on00
GSGavin Saturinblog.cybergav.in·15h ago · 19 min readWhen "Healthy" Isn't Healthy: Debugging a 40-Second Cloudflare-to-AWS NLB DelayNote: All domains, IP addresses, CIDRs, and resource names in this article are sanitized. The technical relationships reflect the actual investigation. We had a test API behind Cloudflare, an intern00
KMKazem Mortazaviinsecurityland.hashnode.dev·5h ago · 3 min readMicrosoft's October 2026 Patch Tuesday: One Exploited Windows Shell Zero-Day and 1,400+ FixesEvery month, Microsoft's Patch Tuesday is a routine for most Windows teams. In October 2026 the release was far from routine. On October 13, Microsoft fixed more than 1,400 vulnerabilities, a number t00
CACiphemic academiainciphemicacademia.hashnode.dev·7h ago · 13 min read Layer 4 vs. Layer 7 Load Balancing: 12 Million Packets a Second and the Cost of Reading Every RequestLayer 4 vs. Layer 7 Load Balancing: 12 Million Packets a Second and the Cost of Reading Every Request Google has used a software load balancer called Maglev since 2008. According to the paper Google p00
IInstaTunnelininstatunnel.hashnode.dev·8h ago · 14 min readQuantum-Safe Local Tunnels: Preparing Your Development Stack for Post-Quantum CryptographyQuantum computing is a roadmap item for security teams and standards bodies. NIST has proposed a date for retiring today’s public-key algorithms, and major CDNs and operating systems already negotiate00
SWSam Walkerinexploring-deception-technology.hashnode.dev·12h ago · 4 min readWhy Attackers Win Inside Your Network (And How Deception Spots Them)Most defensive security budgets are poured into two places: keeping attackers out at the perimeter (firewalls, WAFs, email filters) and installing agents on every laptop (EDR). Yet breaches still take00
BBookMyHostinbookmyhost.hashnode.dev·12h ago · 4 min readWorks on desktop, fails on phones: the post-quantum TLS bug hiding in your network cardModern browsers now send a larger TLS hello. On some Windows servers, a receive-offload bug in the network card silently breaks about half of those connections. Here is how to spot it, why it happens,00
SHSanskriti Harmukhinvultr.hashnode.dev·13h ago · 11 min readInstalling and Using nftables in Linuxnftables is a modern packet filtering framework for Linux that replaces iptables. It offers a unified and efficient way to manage firewall rules across multiple protocols like IPv4, IPv6, and ARP, wit00
HSHarpreet Singh Kapulainsingh-technical-blog.hashnode.dev·19h ago · 6 min readWhat "AI-Optimized Wi-Fi" Actually Means: Reading a Router's Channel-Selection Logs"AI-Optimized Wi-Fi" shows up on router boxes next to mesh support and WPA3 these days, implying something predictive — a system anticipating congestion before it happens, steering your devices ahead 00
