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what is your INTERNET connection type?
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&quot; my internet connection type is wireless&quot;
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" my internet connection type is wireless"

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I guess you are talking about an broadband connection to your wireless router, right?<br />
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if this is the case then it is very dangerous if your router does not support advanced encryption.<br />
and your ISP has nothing to do with this.
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I guess you are talking about an broadband connection to your wireless router, right?

if this is the case then it is very dangerous if your router does not support advanced encryption.
and your ISP has nothing to do with this.

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We need more information. A &quot;Wireless&quot; internet connection could indicate several things - perhaps you live within a city which has a Municipal City-wide Wi-Fi system, or are you connecting back to your own wireless router, which is connected to your OWN Cable / DSL connection? <br />
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Both have their own faults, but the former is bound to have more security concerns than having your own connection.<br />
<br />
-tigermatt
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We need more information. A "Wireless" internet connection could indicate several things - perhaps you live within a city which has a Municipal City-wide Wi-Fi system, or are you connecting back to your own wireless router, which is connected to your OWN Cable / DSL connection?

Both have their own faults, but the former is bound to have more security concerns than having your own connection.

-tigermatt

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I wanna protect myself against bad ppl who use sniffers with promiscuous mode ON. i searched alot about that but with no hope. i asked my ISP to install intrusion detection programs like SNORT to detect those ppl, but he said that he cant for some reasons. is there away that i can prevent, not detect only, those ppl from using this thing to gather private information from me.
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I wanna protect myself against bad ppl who use sniffers with promiscuous mode ON. i searched alot about that but with no hope. i asked my ISP to install intrusion detection programs like SNORT to detect those ppl, but he said that he cant for some reasons. is there away that i can prevent, not detect only, those ppl from using this thing to gather private information from me.

Protection against promiscuous mode.

Network security consists of the policies adopted to prevent and monitor authorized access, misuse, modification, or denial of a computer network and network-accessible resources. Network security involves the authorization of access to data in a network, and covers a variety of computer networks; conducting transactions and communications among businesses, government agencies and individuals. Networks can be private, such as within a company, and others which might be open to public access.