Firewall on My Linux Journeyhttps://youcef889.github.io/Linux_journey/tags/firewall/Recent content in Firewall on My Linux JourneyHugo -- gohugo.ioen-usyoucef7770@gmail.com (Youcef)youcef7770@gmail.com (Youcef)© 2026 YoucefWed, 18 Mar 2026 16:06:37 +0100Common Linux Security Mistakes and How to Fix Themhttps://youcef889.github.io/Linux_journey/tutorials/common-linux-security-mistakes/Wed, 18 Mar 2026 16:06:37 +0100youcef7770@gmail.com (Youcef)https://youcef889.github.io/Linux_journey/tutorials/common-linux-security-mistakes/Guide to common Linux security mistakes and their fixes. Covers running as root, weak passwords, missing firewalls, unpatched systems, and proper security practices.Linux iptables Firewall Guide - Complete Tutorialhttps://youcef889.github.io/Linux_journey/linux/linux-iptables-firewall/Wed, 18 Mar 2026 16:06:37 +0100youcef7770@gmail.com (Youcef)https://youcef889.github.io/Linux_journey/linux/linux-iptables-firewall/Complete guide to Linux iptables firewall. Covers tables (filter, nat, mangle), chains (INPUT, OUTPUT, FORWARD), targets (ACCEPT, DROP, REJECT), and practical firewall rules.