Info Level: Beginner Presenter: Eli the Computer Guy Date Created: November 9, 2010 Length of Class: 51 Minutes Tracks Networking Hacking Computer Security /Integrity Prerequisites Introduction to Networking Purpose of Class This class teaches students how to map a local network. Chapters Introduction (00:00) How Network Mapping Works (03:12) DOS Tools (11:44) Network Mapping Software (34:54) Security Considerations (44:14) Final Thoughts (48:21) Class Notes How it Works ICMP — Internet Control Message Protocol — part of Internet Protocol Echo request Used by OS’s to send error messages Ports Scanning All network applications require specific ports to be open SMB Shares Server Message Block is used for Windows File and Print Sharing SNMP Simple Network Management Protocol Part of IP Allows communication of alerts for numerous types of problems on a system from applications, the operating systems or even the hardware Uses Agents,Traps and Network Management System Agents are pieces of software installed on the monitored systems Traps are alerts that are set for the Agent (CPU goes over 90% for 5 minutes) Network Management System receives alert messages from Traps. SNMP Service must be running Uses UDP Ports 161, 162 Basic DOS Commands IPCONFIG Ipconfig /all — Shows current IP information fro system Ipconfig /release — Releases DHCP IP Address Ipconfig /renew – Acquires a new IP Address from DHCP Server Ping i. IP Protocol Ping 10.1.10.1 — Pings either an IP Address …
Go here to read the rest:
Network Mapping