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an envelope absolutely, positively has to be there overnight

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Most of us purchase used computers for the main reason that they can be purchased for a very lesser amount. When doing so, there is a high risk of purchasing a stolen computer, which can be passed off as a used computer. The incidence of purchasing a stolen computer is more when they are got in the name of used computers from third party computer dealers like the computer dealers online or from a theft store or from a pawnbroker who has no idea about the history of the computer he is selling.

Following measures can be taken to avoid buying a stolen computer:

One of the safe measures while buying used computer is to buy through a credit card or check payment rather than making cash purchase. If the seller insists on cash payment, the purchaser can be very sure that the computer may be a stolen one. Also stolen computers are sold at very low prices. If the buyer has good knowledge about the price trends of computers in the market, he can for sure find out if the computer sold as a used computer is of a genuine kind or not.

The place of buying used computer is of outmost importance as a reputed dealer or seller will have a well-established location. They do not sell on the streets. Hence, it is better to avoid buying used computers from the street side shops, which may be fly by night shops. Such sellers attract the buyers with the pricing or heavy discounts or even freebies along with the computers. If the buyer is not sure about the computer, he can very well ask for the documents pertaining to the computer or can find out if receipts are issued for the purchase. The best method of finding out is to check the serial number of the used computer that can be done with the help of the local law enforcement personnel.

The buyer has all the rights to ask the seller about the reason for the sale of the used computer, where it was purchased and nature of payment made initially. If the buyer is satisfied, he can go ahead with the purchase, else should move on to the next seller. Normally, one can find out if the seller is genuine or not through his body language.
A person selling illegal things will show frenzied movements, will agree even for a rock bottom price with even a small amount of profit for him, mostly will not have a decent language, will try to sell in haste, will always be looking around to find out if someone is watching him and will not have an eye contact while selling and so on.

Such kind of illegal sales of used computers happen as the illegal seller has the facility to advertise free of cost. Also posing as a private seller there is no need to provide a VAT receipt, which makes him free of any legal action being taken against him. Hence it is not advised to buy a used computer without a cash receipt provided by the seller.
























http://readbud.com/Articles/Hardware/Avoiding-Purchase-of-Stolen-Computers

People have more flexible time due to wireless network. Thanks to the invention of wireless. People can now work from home while taking care of their kids or doing house works. No more stress from traffic jam anymore. Is this great?

Well, there is something you should realize. Working from home while using a wireless local area network (WLAN) may lead to theft of sensitive information and hacker or virus infiltration unless proper measures are taken. As WLANs send information over radio waves, someone with a receiver in your area could be picking up the transmission, thus gaining access to your computer. They could load viruses on to your laptop which could be transferred to the company's network when you go back to work.

Believe it or not! Up to 75 per cent of WLAN users do not have standard security features installed, while 20 per cent are left completely open as default configurations are not secured, but made for the users to have their network up and running ASAP. It is recommended that wireless router/access point setup be always done though a wired client.

You can setup your security by follow these steps:

1. Change default administrative password on wireless router/access point to a secured password.

2. Enable at least 128-bit WEP encryption on both card and access point. Change your WEP keys periodically. If equipment does not support at least 128-bit WEP encryption, consider replacing it. Although there are security issues with WEP, it represents minimum level of security, and it should be enabled.

3. Change the default SSID on your router/access point to a hard to guess name. Setup your computer device to connect to this SSID by default.

4. Setup router/access point not to broadcast the SSID. The same SSID needs to be setup on the client side manually. This feature may not be available on all equipment.

5. Block anonymous Internet requests or pings. On each computer having wireless network card, network connection properties should be configured to allow connection to Access Point Networks Only. Computer to Computer (peer to peer) Connection should not be allowed.

Enable MAC filtering. Deny association to wireless network for unspecified MAC addresses. Mac or Physical addresses are available through your computer device network connection setup and they are physically written on network cards. When adding new wireless cards / computer to the network, their MAC addresses should be registered with the router /access point. Network router should have firewall features enabled and demilitarized zone (DMZ) feature disabled.

All computers should have a properly configured personal firewall in addition to a hardware firewall. You should also update router/access point firmware when new versions become available. Locating router/access point away from strangers is also helpful so they cannot reset the router/access point to default settings. You can even try to locate router/access point in the middle of the building rather than near windows to limit signal coverage outside the building.

There is no guarantee of a full protection of your wireless network, but following these suggested tips can definitely lessen your risk of exposing to attackers aiming at insecure networks.



http://readbud.com/Articles/Networks/How-To-Secure-Your-Wireless-Network

Ilmu bersa dari kata ilm’, merupakan sesuatu yang dapat berpengaruh atau mempengaruhi kehidupan seseorang. Banyak orang yang mengatakan bahwasanya ilmu itu ialah tombak dari hidup seseorang, dalam artian, jika ia memiliki ilmu yang tinggi, besar kemungkinan ia akan di pandang baik terhadap orang lain, tetapi kebalikannya, jika orang yang tidak ber ilmu, maka kemungkinan ia akan disia-siakan oleh orang lain.
Dari wikipedia disebutkan Ilmu bukan sekedar pengetahuan (knowledge), tetapi merangkum sekumpulan pengetahuan berdasarkan teori-teori yang disepakati dan dapat secara sistematik diuji dengan seperangkat metode yang diakui dalam bidang ilmu tertentu. Dipandang dari sudut filsafat, ilmu terbentuk karena manusia berusaha berfikir lebih jauh mengenai pengetahuan yang dimilikinya. Ilmu pengetahuan adalah produk dari epistemologi.
Pendapat diatas telah begitu jelas bahwasanya sebuah ilmu itu didapatkan bukan dengan mudah, tetap juga menggunakan metode-metode untuk mengetahui atau menetapkan suatu ilmu. Perlu diketahui juga, bahwasanya penelitian itu akan memakan banyak biaya dan tenaga, dari situ saja sudah dapat dikira-kira berapa harga sebuah ilmu.
Berapa harga sebuah ilmu?
Dalam sebuah kisah zaman dahulu pada suatu negara arab, bahwasanya ada seseorang yang berguru untuk diajarkan untuk membaca. Setelah ia dapat membaca kira-kira 5 huruf, ia berkata pada guraunya tersebut “wahai guru ku, engkau telah mengajarkan ku membaca, maka engkau suruh aku bagaimanapun aku akan melakukannya”. Sepertihalnya pernah dikatakan bahwasanya “ilmu itu tidak akan habis walaupun kamu tulis dengan seluruh lautan kamu jadikan tinta untuk menulisnya”. Jadi banyak sekali ilmu itu, sampai-sampai tinta seluruh lautan puntidak mbisa menulis semuanya.
Habiskah suatu ilmu?
Ilmu itu bagaikan inventaris abadi. Sepertihalnya orang yang memiliki tanah, dan tanah itu dibagi-bagikan kepada seluruh warga desa, apa hasilnya? Tanah itu akan habis. Tetapi kalau ilmu, semakin dibagikan, maka ilmu itu akam bertmbah. Itulah salah satu kehebatan ataupun kelebihan dari ilmu. Seperti yang telah ditulis diatas mtadi dengan ilmu orang akan bijaksana, tanpa ilmu orang akan celaka.


http://id.wikipedia.org/wiki/Ilmu