January 16, 2012
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 …
Tags: address, agent, fix, internet, management, mapping, message-block, network, network mapping, networking, security, simple-network, windows
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August 13, 2011
How To Remove Obsolete Or Unwanted Items From Windows Registry by britec.co.uk Sometimes when you uninstall a program and the uninstaller turns out be be corrupt, you have to manually remove the program from your computer by deleting the folders and shortcuts. But how will you remove registry items? Some of these registry items are left due to program errors, misapplied registry hacks, etc. Problems also arise when users transfer or delete programs without realizing that many registry entries are aiming to the old location. When such unwanted registry keys are left untouched, it can directly effect your computer’s stability and performance. There are many registry cleaners out there like CCleaner, etc, but one tool has recently garnered my attention. Little Registry Cleaner is a free opensource utility for cleaning obsolete or unwanted items from Windows Registry. Just run the tool and click Scan Registry, it found 288 problems in my registry in just 7.6 seconds. Download: sourceforge.net ———————————– need help with your computer? www.briteccomputers.co.uk ———————————— www.britec.org.uk http
Tags: britec, delete-programs, how to, little-registry, network mapping, network monitoring, obsolete, remove, remove-obsolete, resolve-network, these-registry, tool, windows
Posted in Software Functioning Abnormally | No Comments »
August 13, 2011
www.opmanager.com OpManager is an award winning network monitoring software that helps administrators discover, map, monitor and manage complete IT infrastructure. We manage a complex WAN connecting over 200 credit unions across the US. OpManager helps us resolve network outages and troubleshoot performance problems even before our customers notice. -Caria Little, Network Support Supervisor, Galaxy, Fiserv Credit Union Division OpManager is a perfect tool to showcase performance management, fault management and applications monitoring. We found it very user friendly and comprehensive in nature. It gives a complete picture of the Network, Systems, applications and services. -Achilles Santos Silva, Junior Department of Computer Science, UNERJ — University Center of Jaragua of the South For More Info: www.manageengine.com
Tags: manage-complete, network analyzer, network mapping, network monitor, network monitoring, network performance, network tools, network-support, resolve-network, science & technology, server monitor, south, university
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