Lesson 13 Date: 6/28/2017

Linux Network Security

Linux System Administration

Vulnerability scanning Exercise Install a trial version of Nessus professional on your desktop. Scan the ports on smbhost for vulnerabilities from Nessus on your desktop.

Exercise: SSH brute force attack Exercise: Log check for login attempts Exercise: TCP wrappers Exercise: denyhosts Stack overflow Exercise with Stack overflow Package upgrades and verification Open Ports List exercise Closing Ports IP filtering firewalls (iptables) Building iptables rules Simple iptables script NAT table NAT script Exercises with iptables Port scanning exercises Vulnerability scanning exercises References Take me to the Course Website