Network+/Troubleshooting/Security Issues

This lesson covers security issues.

Objectives and Skills
Objectives and skills for the security issues portion of Network+ certification include:
 * Given a scenario, troubleshoot and resolve common security issues
 * Misconfigured firewall
 * Misconfigured ACLs/applications
 * Malware
 * Denial of service
 * Open/closed ports
 * ICMP related issues
 * Ping of death
 * Unreachable default gateway
 * Unpatched firmware/OSs
 * Malicious users
 * Trusted
 * Untrusted users
 * Packet sniffing
 * Authentication issues
 * TACACS/RADIUS misconfigurations
 * Default passwords/settings
 * Improper access/backdoor access
 * ARP issues
 * Banner grabbing/OUI
 * Domain/local group configurations
 * Jamming

Multimedia

 * 1) Watch YouTube: Troubleshooting Firewall Security Issues - CompTIA Network+ N10-006 - 4.7.
 * 2) Watch YouTube: Troubleshooting Operating System Security Issues - CompTIA Network+ N10-006 - 4.7.
 * 3) Watch YouTube: Troubleshooting Denial of Service - CompTIA Network+ N10-006 - 4.7.
 * 4) Watch YouTube: Troubleshooting ICMP and ARP - CompTIA Network+ N10-006 - 4.7.
 * 5) Watch YouTube: Troubleshooting Malicious User Activities - CompTIA Network+ N10-006 - 4.7.
 * 6) Watch YouTube: Troubleshooting Authentication Issues - CompTIA Network+ N10-006 - 4.7.