What is DSL / Digital Subscriber Line ?

DSL or Digital Subscriber Line is a service that makes the use of existing copper telephone wires for delivering data services at extremely fast speed rates. It does' n hamper the existing telephone line. You can surf the Internet and talk on the phone, simultaneously.

DSL offers speeds that are around 5 to 25 times higher than a typical 56Kb dial-up connection. This implies that websites would load quickly, downloads would be faster, buffering of videos would be fast and smooth and the domain of Online games would be illimitable.

Based on the types of service, DSL can be can be categorized in three divisions which are ASDL, IDSL and SDSL.

• ADSL or Asymmetric Digital Subscriber Line. It offers download speed of 1.5 Mbps and upload speed of 384 K. In order to acquire a ADSL connection, your location has to be within 3 miles of your local telephone office. Also, a DSL router is needed for this type of connection.
• IDSL is a ISDN Digital Subscriber Line service which requires an ISDN router. It provides a connection speed of 144 K. in this type of connection distance is not a component to be considered.
• SDSL = Symmetric Digital Subscriber Line. The speeds available under this type of DSL connection depends on the distance between your location and your local telephone office. The speed of downloads and uploads can go up to 1.1 Mbps.

1. Advantages of DSL
   No installation of new wires is required. DSL uses the present telephone line to connect to the Internet. It provides extremely fast connection. Depending on the offer, you would not even have to pay for the DSL modem installation charges, since it is provided free by some of the companies on selection of the appropriate plan. The download rate is much higher in DSL connections. Many business organizations have gained the benefits of DSL. A DSL connection is very secure.
   
   
2. Disadvantages of DSL
   The quality of your DSL connection depends on the distance between the DSL providers office and your location. Nearer you are, the better quality connection would you get. So, consumers located far from the local DSL office may face some trouble. DSL provide high speeds for downloading stuff but upload speeds are not that good.
   
   
3. DSL vs Cable Modems
   The services provided through a cable modem can sometimes slow down or get hanged. It depends on the number of users accessing that particular service. But, in a DSL connection there is no such problem. The speed of DSL is consistent and high. This does not allow any kind of conjunction on the network. It provides more security than the cable modem connections. The popularity of DSL has risen to new heights which has resulted in disconnections and up gradations of the cable modem connections.

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High Speed Internet Acces

At this time the Internet has become the human lifestyle. Many depending companies comprehensively to the Internet. The person was met in different parts the world could speak with to one another via the Internet. The video conferencing was the example of the life. Many marriages also with Internet help. The Internet profit really was unlimited.

But, what would you do when you have a slow speed internet connection that takes a lot of time? That internet connection would simply be useless to you.

The speed at which you are connected to the Internet plays a very important role in enjoying the advantages offered by it. For example, suppose one of your relatives who is residing overseas, has sent you a holiday clip. Now, if your Internet speed is slow then first of all it would take a long time to load the mail website. Then you would enter your user name and password. It would again take extra time to verify it. Also, downloading the clip would be very slow, even if its size is very small. Overall, you can say that having a low speed Internet connection (dial-up connection) is not a good thing.

There are many choices available for a high speed Internet connection. DSL, Cable and Satellite are some of them. You can select the best one from them. Here are some of the common benefits that all these high speed Internet connections provide.

* Viewing of streamlining clips or videos is very easy and fast in these connections. Dial-up connections may not even allow their access. * You can upload web pages and download any kind of information or software with more than twice the speed of dial-up connection. * Downloading of images and huge e-mail files can be done almost promptly. * High speed Internet connection has proven to be a boon for all businessmen. They can now access the world wide web within a few seconds. Their businesses have been highly benefited through efficient and quick video conferencing which would have been impossible in a slow dial-up connection. * For those people who work from home, a high speed Internet connection can assist them in increasing their overall work efficiency and output. * On a long term basis, the high speed Internet connection can prove to be highly economical.

DSL: The best choice for high speed internet connection Now-a-days, DSL has become the leading choice for a high speed Internet connection. DSL works on existing telephone lines. With a DSL connection you can browse the web and talk on the phone at the same time. Generally, a DSL connection requires a DSL router, a dedicated phone line and a network card or a modem for each system. The installation of DSL at your location is the responsibility of the service provider. Last but not the least, this high speed Internet connection is offered at very affordable prices.

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Un-Freeze DeepFreeze

• DeepFreeze adalah salah satu Software yang digunakan untuk mengamankan, mencegah dan mengontrol komputer dari pengerusakan yang dilakukan sengaja ataupun tidak sengaja.

• Sesuai dengan namanya software ini akan "Membekukan" segala yang ada dipartisi "beku"nya. Tidak ada "Restriction" dalam penggunaan komputer yang "dibekukan", hanya saja semua settingan, dan kondisi komputer akan kembali seperti semula setelah komputer di-restart /booting.
• Tutorial ini akan membahas tentang cara Disable/Un-freeze DeepFreeze
  versi 4.20.020.0598, 4.20.120.0598, 4.20.121.0613, 5.20.220.1125 dan 5.30.120.1181 pada OS Windows 2K/XP.
• Pada umumnya DeepFreeze mempunyai aplikasi yang aktif di komputer yang masih "Enable", dan bila kita ingin mengubah setingan dari DeepFreeze maka harus masuk ke menu Config yang diproteksi oleh password tentunya.
• Ada beberapa cara untuk men-Disable software ini, yaitu dengan menggunakan disket (bootable tentunya) lalu boot dari disket itu dan memindahkan file DFSERVEX.EXE yang berada di path:
  c:\progra~1\hypert~1\deepfr~1
  ke tempat lain. Dan yang terakhir yaitu dengan menggunakan Disassembler untuk mem-Patch File Frzstate(2K).exe.
  

Tutorial ini akan membahas cara yang kedua.

Tools yang diperlukan :
1.Ollydbg 1.10 > http://www.ollydbg.de/
2.Process Explorer > http://www.sysinternals.com/
3.Ollyscript > http://ollyscript.apsvans.com/
4.ASPack 2.12 OEP finder script by hacnho/VCT2k4 > http://ollyscript.apsvans.com/

Langkah-langkah :

1. Jalankan Process Explorer lalu lihat aplikasi Frzstate.exe atau Frzstate2k.exe yang berjalan lalu klik kanan untuk melihat propertiesnya. Catat Properties Command Linenya yang berisi path program itu dan 3 angka terakhir.
   contoh : C:\Program Files\HyperTechnologies\Deep Freeze\_$Df\FrzState.exe 1 1066917 0 <<>
2. Jalankan Ollydbg 1.10 dan buka Aplikasi Frzstate(2k).exe melalui path yang sudah dicatat. Jangan lupa masukkan 3 angka terakhir di kolom Arguments.
3. Akan ada box peringatan yang muncul hiraukan saja, pada box peringatan kedua kilk No.
4. Jalankan Plug-in OllyScript dengan memb-Browse-nya di menu Options>Appearance>Plugi-in Path
5. Jalankan Script EOP di menu Plugins>Run Script>Ollyscript tentukan path dari EOP script lalu klik Open.
6. Setelah itu script akan membuka code asli. Perhatikan apakah ada ikon deepfreeze di system tray (DeepFreeze dapat diset- untuk tidak menampilkannya), bila tidak ada klik kanan pada jendela code pilih Go to>Expression dan masukkan nilai berikut :
   
   versi 4.20.020.0598 > 40A2BE
   versi 4.20.120.0598 > idem
   versi 4.20.121.0613 > 409F4A
   versi 5.20.220.1125 > 40FC4A
   versi 5.30.120.1181 > idem
   
   dan klik Ok. Setelah itu program akan menuju ke baris tersebut. Klik kanan lagi pilih Assemble lalu isi kolom dengan ekspresi NOP dan jangan lupa checklist pilihan Fill with NOP's lalu klik Assemble.
7. Kembali lagi ke jendela code, klik kanan untuk memilih Go to dan isi dengan nilai berikut:
   
   versi 4.20.020.0598 > 40368D
   versi 4.20.120.0598 > idem
   versi 4.20.121.0613 > 4034F5
   versi 5.20.220.1125 > 4037E9
   versi 5.30.120.1181 > 4037E9
   
   lalu kilk Ok. Program akan menuju baris tersebut. Kita akan membuat sebuah BreakPoint disini.
8. Klik kanan pilih Breakpoint>Toogle, lalu tekan F9 untuk eksekusi baris tersebut. Bila benar akan muncul 2 ikon Deepfreeze pada system tray. Pilihlah salah satu ikon tersebut dan tekan Shift+dobel klik atau ctrl+Shift+Alt+F6 untuk membuka Form Login DeepFreeze. Isi kolom password dengan apa saja lalu klik OK atau Enter.
9. Jika ikon yang kita pilih benar maka form Login tersebut seolah-olah "Membeku". Kembali ke jendela code di Ollydbg tekan F8 dan lihat jendela register di sebelah kanan, ganti isi register EAX dengan nilai 1 (dalam hexadesimal) dengan dobel klik di register tersebut. (nilai 000000000 merupakan value "False" untuk pengecekan password)
10. Tekan F9 untuk eksekusi program lagi, bila benar maka kita akan mendapatkan sebuah form Config dari DeepFreeze.
    

kalau mau pake program Deep Unfreezer bisa di download disini:
Deep Unfreezer 1.6 (99 KB) (Windows 9X/2K/XP)
Deep Unfreezer 1.6 UNICODE (100 KB) (Windows 2K/XP)
Deep Unfreezer Manual

Deep Unfreezer is a tool that allows you to change the state of Deep Freeze without needing the password. Read More....