security
Linux Server Hardening
Secure your Linux servers against attacks using CIS Benchmarks. SSH hardening, firewall configuration, automatic patching, and audit logging.
What's Included
- CIS Benchmark compliance scan
- SSH hardening (key-only auth, fail2ban)
- Firewall configuration (iptables/nftables)
- Automatic security patching (unattended-upgrades)
- Unnecessary services removal
- File integrity monitoring (AIDE)
- Audit logging configuration (auditd)
- User and privilege management review
Deliverables
- Security scan report (before/after)
- Hardened server configuration
- Firewall rules documentation
- Security maintenance runbook
- Compliance evidence report
Requirements
- Root/sudo access to servers
- List of required services and ports
- Network diagram
- Change management approval
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