Is your broadband secure?

If you run a program called nmap you can find how secure is your home/office setup.

Once youve installed, find out your ip address and run this:

nmap -sP [your ip address]

see what happens. this sends a ping to your computer and your computer should not respond. if it does, try this:

nmap -A -T4 [your ip address]

Now, this will see what ports you have open.

If you have your machine is closed to pings, try this:

nmap -P0 (thats a zero) [your ip address]

and see what happens. you may well have to ok some prompt from your firewall.

This technique is known as port-scanning. I wouldnt make too much of a habit of it, but a now and then go at it will allow you to show it as a justifyable part of a security audit.

You want to know how safe you are, right?

So, give it a go. You maybe surprised with the results.

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