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Resume and bio of the author, about this website Couple of articles related to my hobby - robotics
My impressions about immigration to Australia. In Russian only. Recipes for everyday problems solving
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Andrey Mikhalchuk’s Blog

Technoblog about life

Apr 24, 2008 MineStream Defender - the ultimate network security device

MineStream Defender - the ultimate network security deviceLast 12 months I was working on an interesting device that provides the network security features many companies and families are dreaming about. You probably already have heard about different threats out there like internet predators, viruses, spyware, dangerous websites, confidential information leaking from your business and others. Also you probably tried to find answers to questions like

  • Is my office network used appropriately? Do people really use it for work and not something else?
  • Are my kids safe in the Internet? Are their virtual friends really friends?
  • Why is my internet so slow?
  • Who in my network is using the internet most, when and what for?
  • How can I prevent my children or employees from browsing inappropriate content, wasting time in chats or games?

Finally, you might want to get answers to the questions immediately and you don’t want to spend a lot of time configuring every single computer in your network, installing software and other techi stuff … So the answer to all those questions is one small box called MineStream Defender and here is what it can do …

Jan 28, 2008 Simple free online IP conversion tool

For debugging purposes I frequently need to quickly convert ip addresses from one representation to another. Here is quick and dirty (I’ll cleanup the interface when get some free time) converter that does the job.
If you don’t see the form below because of some reason please proceed to this page.
The following formats are supported:

  • integer
  • unsigned integer
  • dot notation
  • hex number
  • binary number
  • octal number
  • natural netmask

Please specify one of the following

Convert from int:
Convert from dot notation:
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