Local IP/Remote IP port scan

August 3, 2011 at 21:26:47
Specs: Windows 7
Hi I keep getting this message from my firewall:

A port scan was detected. Local IP: 192.168.xxx Remote IP: 192.168.1.xxx. Protocol: UDP.
Action Taken: Blocked

What does this mean?!!? And what effect will it have? Simple question for pro's.....please help

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August 4, 2011 at 07:36:53
Port scans are used to see what, if any, services are available at specific IP's. Mostly they're used by network people, like myself, to troubleshoot issues.

However, hackers like to use them on the internet to look for servers with open ports that they can then attempt to hack.

From what you post, it looks like someone on your LAN is port scanning. Maybe there's a legit reason why they're doing it but to my way of thinking, if they're not a network technician (analyst/support etc etc) and you're not in a work environment, then I'd be concerned as to why they're doing it.

It matters not how straight the gate,
How charged with punishments the scroll,
I am the master of my fate;
I am the captain of my soul.

***William Henley***

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August 4, 2011 at 10:10:08
or one of the machines is compromised and the hacker is now poking around the local network.

Answers are only as good as the information you provide.
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