This repository provides ready-to-use Linux hardening templates for OPSEC-focused setups.
They are designed for security professionals, penetration testers, and privacy enthusiasts who want to strengthen their Linux systems against attacks, surveillance, and data leaks.
hardening.md– Practical step-by-step hardening guidefirewall.sh– Minimalistic but strict firewall rules (iptables/nftables)sysctl.conf– Kernel parameter tuning for security & performancesshd_config– Hardened OpenSSH configurationaudit.rules– Linux Audit framework rules for monitoring
- Clone this repository:
git clone git@github.com:CySecKev/Linux-OPSEC-Templates.git