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Bro, ban me at the IP level if you don't like me

How Does a Firewall Work Step by Step

China blocked all HTTPS connection abroad for 1 hour in midnight

Ask HN: Why does the US Visa application website do a port-scan of my network?

CRLite: Certificate Revocation Checking in Firefox

SystemD Service Hardening

Hardening Systemd Services

The Electric Fence Stopped Working Years Ago

Implementing a basic equivalent of OpenBSD's pflog in Linux nftables

First reported case of a 12VHPWR connector melting on an AMD card | Turns out Nvidia isn't the only one feeling the heat

China's Great Firewall blocked all traffic to a common HTTPS port for over an hour, severing connection to the outside world — with no hint as to its intention

Free Chrome VPN extension turns malicious, silently recording user activity | Researchers warn FreeVPN.One weaponized user trust for data collection

Cisco announces mass layoffs just after soaring revenue report

Cisco announces mass layoffs just after soaring revenue report

China’s botched Great Firewall upgrade invites attacks on its censorship infrastructure

How Do You Protect Your Tiny Side Project From $10,000 Bills? (DDoS)

Romania to become first European country to acquire Iron Dome air defence system

Microsoft asks users to ignore Windows Firewall config errors

celzero

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rethink-app

DNS over HTTPS / DNS over Tor / DNSCrypt client, WireGuard proxifier, firewall, and connection tracker for Android.

tnodir

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fort

Fort Firewall for Windows