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Securing and Protecting Linux System

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Securing 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

[quote]Obstacles are those frightful things you see when you take your eyes off your goal. – Henry Ford[/quote]
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