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Cyber Tools

Domain Name Services

DNS Changing

So DNS is changing. DNS is the heart of the Internet. But today as everything else weaknesses have been found and take advantage of. We need to make it as secure as the the websites are  and The article below from Johannes B. Ullrich, at SANS talks to that. This is somewhat old news but […]

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Networking Link

Below is a summary of networking made simple. I hope it helps you to understand networking better. With most operating systems, the lower OSI layers of physical medium data link with MAC address, network with IP address, and transport with TCP or UDP, and will be understood by both devices.

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DNS works

DNS Link

If a customer is trying to access your website and types in your address – for this example, we’ll say it’s www.example.biz – the browser and operating system quickly perform an internal audit to see if that computer has recently visited your website (IP address), and therefore has that website address in its cache (memory).

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2016 State of Application Security: Skills, Configurations and Components7

Sans help

A fully integrated AppSec program can reap benefits in overall security posture and IR capabilities.

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IP Block on My Sites

For several years I have asked for country filtering because many of my hosting accounts are to USA customers. Well they did second best- block by IP.

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Domain Name Services

DNS Info

The recursive server will then ask your DNS server what the IP address is for www.example.biz, and your DNS server will now provide the location and IP address for www.example.biz to the customer’s operating system and browser. The browser puts your website in front of the person who was looking for it and the process is done.

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