Tag: Network Security
Tag: Network Security
Section titled “Tag: Network Security”4 posts
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- Build a Minimal Packet Filter with nftables This guide explains how to build a minimal packet filter using nftables tables, chains, rules, counters, and persistence, and how to manage and verify it safely, including avoiding concurrent management with firewalld.
- Practical Guide to firewalld Zones, Services, and Rich Rules This guide explains how to safely modify and verify a Linux firewall with firewalld without disrupting connectivity, while checking runtime/permanent settings, zones, services, source restrictions, and rich rules on an actual system.
- Windows Firewall Configuration A systematic guide to Windows Defender Firewall on Windows Server: profile design, port control, log auditing, centralized GPO management, and automation for reliable operations.
- Building a Squid Proxy Server on Linux A step-by-step guide to install and configure a basic Squid proxy server on Linux and connect clients.