Tag: Firewall
Browse all articles, tutorials, and guides about Firewall
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Networking
2025-04-10|7 min read
What is the Difference Between Active and Passive FTP?
Active and passive FTP differ in how the data connection is established. Learn how each mode works, when to use them, and how they interact with firewalls and NAT.
Linux
2024-12-05|8 min read
How to Close Specific Ports on Linux Systems
Learn how to close and block specific ports on Linux using iptables, ufw, firewalld, and by stopping services. Secure your system by controlling port access.