-rw-rw-r-- 1 byteguard byteguard 10053 Jun 30 15:36 /tmp/ci_head.bak-objfix-20260630-153640.txt
[ fail2ban ]

fail2ban

3 posts

Cybersecurity toolkit illustration with shields and scanning icons on dark navy background
[ security ]

15 Best Free Security Tools in 2026

I spend a lot of time testing security tools — for my own infrastructure, for CTF challenges, and for the tools I recommend

May 13 · 9 min
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Glowing shield deflecting brute-force attack arrows with banned IPs in a jail cell — Fail2Ban setup guide
[ fail2ban ]

How to Set Up Fail2Ban on Your Server

TL;DR Install and configure Fail2Ban to automatically block IPs that brute-force your SSH, Nginx, or other services. Includes custom jails for

Apr 20 · 8 min
A
Flat illustration of a glowing hexagonal padlock in front of a brick firewall and terminal window with SSH commands, representing Linux VPS hardening
[ linux ]

How to Harden Your Linux VPS in 10 Minutes

TL;DR Lock down a fresh Linux VPS in 10 minutes: disable root SSH login, set up SSH keys, configure UFW firewall,

Apr 10 · 7 min
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