Security at risk if I share my internet

Intel / D865glc
July 23, 2009 at 16:11:56
Specs: Microsoft Windows XP Home Edition, 2.394 GHz / 1006 MB
I was told that the people I am letting share my internet connection can see or use what is on my pc and that it will slow it down (using a router).

Obviously I am new to this forum and dumb as a box of rocks. Any feedback would be much appreciated.


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July 23, 2009 at 17:44:33
An unsecured router doesn't mean that your hard drive is available for others to see. That depends on the PC security, although wireshark can be used to sniff passwords.

However, it will use bandwidth & if someone uses your connection for illegal activity, it looks like it's you doing it.

How do you know when a politician is lying? His mouth is moving.

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July 24, 2009 at 06:32:02
What do you mean by PC security? Like whether I am using Avast or Norton?

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July 24, 2009 at 08:49:25
pc security as in you have enabled file and print sharing then shared your hard drive.

Easiest thing to do to secure your pc is configure the windows or third party firewall to block all other ip addresses on the lan. So you assign your pc a static ip at say then block all ip addresses from .3 to 254

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July 24, 2009 at 08:59:22
Well that certainly looks like it is much easier said than done. Could I just uncheck the file and print sharing or would that prevent the router from working right? If it would prevent the router from being able to share the internet connection, could you explain in a little bit more detail how you go about configuring the windows or third party firewall to block all other ip addresses on the lan?


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July 24, 2009 at 10:19:46
Just to be clear, your pc has nothing to do with sharing the internet.

This is because you are using a router which you are allowing other to use wirelessly.

By letting other use your router you put them in the same lan segment you are on. This gives them the ability to try and access your system.

If you uncheck file and print sharing [assuming you are the only one using your pc and there are no one you are sharing a printer or your hard drive to] you have effectively cut off network access to your pc.

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