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Tag Archive | "DNS"

How to flush your dns cache

Saturday, August 8, 2009

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Windows Firstly open a cmd box by going to start > run > cmd Then flush your dns by running the following: ipconfig /flushdns OSX Open your terminal Run the following command: dscacheutil -flushcache Linux Just run the following: /etc/init.d/nscd restart

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Setting up a DNS Server for your LAN Network

Friday, May 8, 2009

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This tutorial will show you how to configure bind9 on debian to be a dns server for your LAN network. Install bind9 and some DNS utilities apt-get install bind9 dnsutils Set your systems hostname echo "server.home.local" > /etc/hostname then edit /etc/hosts so it looks like this 127.0.0.1 localhost.localdomain localhost 192.168.1.2 [...]

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Making a Network Diagram

Saturday, May 2, 2009

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Lovely Charts is a free web-base program that will allow you to easily create flow charts, site maps, network diagrams, and other visualizations with a simple drag-and-drop interface. When finished making your diagram you can pick to export it as a jpg or png image. Here is a sample of my network:

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Finding out the subdomains of a domain

Thursday, April 2, 2009

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1. First off you need to get a program called dig for debian based Operating systems you can do apt-get install dnsutils a windows version can be downloaded from here 2. Find out the name servers of the domain this can be done by typing dig ns <domain></domain> 3. Now you query the Nameserver to output the subdomains dig @<nameserver> <domain> [...]

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