Security Security Banners: Hiding Application Banners (Service Banner Faking) Create a PKI Rinetd: Simply and Quickly Forward to Other Machines Rkhunter: Detection of rootkits and malware Stunnel: Creating an SSL Tunnel Iptables Basic IPTables Commands Iptables: Configuration Examples Launch Firewall Rules Before Interfaces Come Up Nfqueue: Filter Thousands of IP Addresses (e.g., by Country) PacketFilter Introduction to Packet Filter Packet Filter: Fighting Against Brute Force Attacks Snort Introduction to IDS and SNORT Setting up Snort & BASE (Basic Analysis and Security Engine)