This Driver original firmware come with package.
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Showing posts with label IT. Show all posts
Showing posts with label IT. Show all posts
Wednesday, March 24, 2010
Easy : Download D-Link DWM-652 3.5G ExpressCard driver.
Posted by
Dr Mudah
at
2:23 AM
This Driver original firmware come with package.
Monday, March 15, 2010
info : What is the Difference Between http and https?
Posted by
Dr Mudah
at
10:02 PM
Hypertext Transfer Protocol (http) is a system for transmitting and receiving information across the Internet. Http serves as a request and response procedure that all agents on the Internet follow so that information can be rapidly, easily, and accurately disseminated between servers, which hold information, and clients, who are trying to access it. Http is commonly used to access html pages, but other resources can be utilized as well through http. In many cases, clients may be exchanging confidential information with a server, which needs to be secured in order to prevent unauthorized access. For this reason, https, or secure http, was developed by Netscape corporation to allow authorization and secured transactions.
In many ways, https is identical to http, because it follows the same basic protocols. The http or https client, such as a Web browser, establishes a connection to a server on a standard port. When a server receives a request, it returns a status and a message, which may contain the requested information or indicate an error if part of the process malfunctioned. Both systems use the same Uniform Resource Identifier (URI) scheme, so that resources can be universally identified. Use of https in a URI scheme rather than http indicates that an encrypted connection is desired.
There are some primary differences between http and https, however, beginning with the default port, which is 80 for http and 443 for https. Https works by transmitting normal http interactions through an encrypted system, so that in theory, the information cannot be accessed by any party other than the client and end server. There are two common types of encryption layers: Transport Layer Security (TLS) and Secure Sockets Layer (SSL), both of which encode the data records being exchanged.
When using an https connection, the server responds to the initial connection by offering a list of encryption methods it supports. In response, the client selects a connection method, and the client and server exchange certificates to authenticate their identities. After this is done, both parties exchange the encrypted information after ensuring that both are using the same key, and the connection is closed. In order to host https connections, a server must have a public key certificate, which embeds key information with a verification of the key owner's identity. Most certificates are verified by a third party so that clients are assured that the key is secure.
In many ways, https is identical to http, because it follows the same basic protocols. The http or https client, such as a Web browser, establishes a connection to a server on a standard port. When a server receives a request, it returns a status and a message, which may contain the requested information or indicate an error if part of the process malfunctioned. Both systems use the same Uniform Resource Identifier (URI) scheme, so that resources can be universally identified. Use of https in a URI scheme rather than http indicates that an encrypted connection is desired.
There are some primary differences between http and https, however, beginning with the default port, which is 80 for http and 443 for https. Https works by transmitting normal http interactions through an encrypted system, so that in theory, the information cannot be accessed by any party other than the client and end server. There are two common types of encryption layers: Transport Layer Security (TLS) and Secure Sockets Layer (SSL), both of which encode the data records being exchanged.
When using an https connection, the server responds to the initial connection by offering a list of encryption methods it supports. In response, the client selects a connection method, and the client and server exchange certificates to authenticate their identities. After this is done, both parties exchange the encrypted information after ensuring that both are using the same key, and the connection is closed. In order to host https connections, a server must have a public key certificate, which embeds key information with a verification of the key owner's identity. Most certificates are verified by a third party so that clients are assured that the key is secure.
Info Perbezaan antara http dan https
Posted by
Dr Mudah
at
9:58 PM
"
“S” adalah singkatan daripada “Secure”. Jika anda mengunjungi laman Web , lihatlah alamat di web browser, ia akan biasanya dimulai dengan ini: http://.
Ini bererti bahawa website ini ‘berbicara’ dengan menggunakan pelayar biasa yang tidak selamat.
Dengan kata lain, ada kemungkinan ada seseorang yang sedang sekodeng pada komputer anda semasa ‘perbualan’ dengan website.
Jika Anda mengisi borang di laman web tersebut, seseorang mungkin melihat maklumat yang anda hantar ke laman tersebut.
Jadi tidak digalakkan untuk kita tidak pernah memasukkan nombor kad kredit anda di laman http!
Tetapi, jika alamat web bermula dengan https: / / , yang pada dasarnya bererti komputer anda sedang berbicara di halaman dalam kod yang selamat dan tiada sesiapa yang dapat sekodeng maklumat anda.
Anda faham mengapa hal ini begitu penting, kan?
Jika sebuah laman web meminta anda untuk memasukkan maklumat kad kredit anda, secara automatik periksa dahulu samaada alamat web bermula dengan https: / / .
Jika tidak, jangan memasukkan maklumat sensitif seperti nombor kad kredit.
Maklumat ini walaupun adalah basic tetapi ramai yang tidak tahu, kongsilah dengan kawan-kawan.
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