Image SourceSecuring and Protecting Linux System Linux box is a journey, meaning, you have to keep an eye on your VPS at least weekly bases. Therefore, it feels so good when you have peace of mind. Security is wide subject, I will cover Host Firewall, Kernel Harding Rules, Setting Blacklists, and Intrusion detection setup for a single VPS. I’ve tested all my Labs using Public infrastructure.
Section 1: Linux Hardening Rules and IPtables Firewall
1:01 Preparing Linux Script Startup Environment
1:02 Applying Linux Kernel Hardening Rules
1:03 Applying System and Network Tuneup Rules
1:04 Implementing Stateful Firewall Using IPtables
1:05 Redirecting IPtables Firewall Logging Location
1:06 Testing IPtables using Nmap Scanning Tool
1:07 Logging and Trapping Port Scanning Tools
Section 2: Blacklist and Whitelist using IPtables and IPset
2:01 Listing and Tracking Suspicious Bad IP Addresses
2:02 Building Public and Private IPtables Blacklists
2:03 Building Public and Private IPtables Whitelists
2:04 Building Public and Private IPset Blacklists
2:05 Building Public and Private IPset Whitelists
Section 3: Intrusion Detection and Prevention Tools
3:01 Debian Base NIDS using PSAD and FWsnort
3:01 Red Hat Base NIDS using PSAD and FWsnort
3:03 Debian Base Service Protection using Fail2ban
3:03 Red Hat Base Service Protection using Fail2ban
3:05 Debian Base File System Integrity Check OSSEC
3:05 Red Hat Base File System Integrity Check OSSEC
3:06 Debian Base System Audit and Malware Protection
3:06 Red Hat Base System Audit and Malware Protection
