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    this post for personal use …

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Hello to all, this instruction really really

WORK for ME 100%  :D

These are instructions on how to unlock your iPhone using SAM. This method will work with the iPhone 4S, iPhone 4, iPhone 3GS, and iPhone 3G on any jailbreakable firmware including 5.x.

Step One
Jailbreak your iPhone. You can find instructions on how to do that using the iClarified Jailbreak Wizard.

Step Two
Tap to launch Cydia from your SpringBoard.

Step Three
Press to select Manage from the tabs at the bottom of the screen.

Step Four
Press the large Sources button.

Step Five
Press the Edit button at the top right of the screen.

Step Six
Press the Add button that appears at the top left of the screen.

Step Seven
Enter http://repo.bingner.com/ and press the Add Source button.

Step Eight
Press the large Return to Cydia button.

Step Nine
Press to select Bingner from the list of Sources.

Step Ten
Choose SAM from the list of packages.

Step Eleven
Press the Install button at the top right of the screen.

Step Twelve
Press the Confirm button to begin installation.

Step Thirteen
Once installation has completed press the large Restart SpringBoard button.

Step Fourteen
Insert your new SIM card and tap to select SAMPrefs from your SpringBoard.

Step Fifteen
Tap Utilities

Step Sixteen
Press to select De-Activate iPhone. Your ActivationState under “More Information” should now be “Unactivated”. If you don’t have De-Activate iPhone you can use De-Activate iPhone (clear push).

Step Seventeen
With SAM enabled, tap Method and choose By Country and Carrier.

Step Eighteen
Tap Country and choose the country of your ORIGINAL SIM.

Step Nineteen
Tap Carrier and choose your ORIGINAL carrier that your iPhone is locked to.

Step Twenty
For some carriers operating more than one Carrier ID you may need to select SIM ID. If you are unable to activate in Step Twenty Four then you have selected the wrong one.

Step Twenty One
Tap More Information and copy the IMSI under SAM Details to the clipboard.

Step Twenty Two
Tap Spoof Real SIM to SAM

Step Twenty Three
Go back to the main SAM screen and paste the IMSI number in your clipboard.

Step Twenty Four
Connect your iPhone to the computer and let iTunes reactivate your phone.

“Double click “Phone Number” parameter at the main device screen and make sure that the ICCID matches that of your SIM card.” If not you need to start over from Step Fourteen.”

Step Twenty Five
Unplug your iPhone from the computer and close iTunes.

Step Twenty Six
Reopen SAMPrefs from your SpringBoard and disable it using the Enabled switch.

Step Twenty Seven
Connect your iPhone to the computer and launch iTunes again.

You should get an error saying that your phone cannot be activated. This is normal. Just close iTunes and open it again.

Step Twenty Eight
In a short time you should see signal bars. Congratulations!

Step Twenty Nine
You should now backup your iPhone unlock ticket in case this method is ever blocked. You can find instructions on how to backup the unlock ticket here.

IMPORTANT:
If push notifications stop after this process, you can restore then with the Clear Push utility in SAM, followed by connecting to iTunes.

Your phone will work normally with your SIM card and that SIM card ONLY since we have tricked iTunes to think that ICCID is one of the intended carrier’s. The phone can be rebooted and connected to iTunes freely without losing the “unlock”, at least for now.

A big thanks to Loktar_Sun and Laforet for their contributions!

ALL COPY FROM iclarified.com

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what is the difference between authentication and authorization? Why it is important to understand difference between the two? Authentication vs. Authorization — what are they and how do they differ?

Authentication

Authentication verifies who you are. For example, you can login into your Unix server using the ssh client, or access your email server using the POP3 and SMTP client. Usually, PAM (Pluggable Authentication Modules) are used as low-level authentication schemes into a high-level application programming interface (API), which allows programs that rely on authentication to be written independently of the underlying authentication scheme.

Authorization

Authorization verifies what you are authorized to do. For example, you are allowed to login into your Unix server via ssh client, but you are not authorized to browser /data2 or any other file system. Authorization occurs after successful authentication. Authorization can be controlled at file system level or using various application level configuration options such as chroot(2).

Usually, the connection attempt must be both authenticated and authorized by the system. You can easily find out why connection attempts are either accepted or denied with the help of these two factors.

Example: Authentication And Authorization

A user called vivek is allowed to login to www.yahoo.com server securely using the OpenSSH ssh client/server module. In this example authentication is the mechanism whereby system running at www.yahoo.com may securely identify user vivek. The authentication systems provide an answers to the questions:

• Who is the user vivek?
• Is the user vivek really who he represents himself to be?

The server running at www.yahoo.com depend on some unique bit of information known only to the vivek user. It may be as simple as a password, public key authentication, or as complicated as Kerberos based system. In all cases user vivek needs some sort of secret to login into www.yahoo.com server via the ssh client. In order to verify the identity of a user called vivek, the authenticating system running at www.yahoo.com will challenges the vivek to provide his unique information (his password, or fingerprint, etc.) — if the authenticating system can verify that the shared secret was presented correctly, the user vivek is considered authenticated.

vivek is Authenticated? What Next?

Authorization.

The Unix server running at www.yahoo.com determines what level of access a particular authenticated user called vivek should have. For example, vivek can compile programs using GNU gcc compilers but not allowed to upload or download files. So

1. Is user vivek authorized to access resource called ABC?
2. Is user vivek authorized to perform operation XYZ?
3. Is user vivek authorized to perform operation P on resource R?
4. Is user vivek authorized to download or upload files?
5. Is user vivek authorized to apply patches to the Unix systems?
6. Is user vivek authorized to make backups?

In this example Unix server used the combination of authentication and authorization to secure the system. The system ensures that user claiming to be vivek is the really user vivek and thus prevent unauthorized users from gaining access to secured resources running on the Unix server at www.yahoo.com.

Dealing With Large Linux / Unix Setups

Large Linux / UNIX installation equipped with central LDAP directory servers to authenticate users. A user must provide username and password against all services such as Squid proxy, Wi-Fi, SMTP, POP3 email server etc. LDAP directory allows you to obtain required information such as employee number, email address, department code, and much more. The directory provides additional data lookup and search capabilities. OpenLDAP and the Fedora Directory Server (FDS) is an LDAP (Lightweight Directory Access Protocol) servers for Linux and Unix like operating systems. Kerberos is a network authentication protocol. It is designed to provide strong authentication for client/server applications by using secret-key cryptography. A free implementation of this protocol is available from the Massachusetts Institute of Technology.

Red Hat Directory Server is an LDAP-compliant server that centralizes user identity and application information. It provides an operating system-independent, network-based registry for storing application settings, user profiles, group data, policies, and access control information.

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google.com

8.8.8.8
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level3.com

4.2.2.1
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speakeasy.net

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dnsadvantage.com

156.154.70.1
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opennicproject.org

58.6.115.42
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64.0.55.201
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69.164.196.21

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