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MySQL User Management in Software Connect PDF-417 2d barcode in Software MySQL User Management

MySQL User Management use software pdf417 printing togenerate pdf417 on software interleaved 25 Getting ready To step through the re cipe, you will need a username, a password, and the host on which the replication slave will be located. We will use repl_user as the username with Pw_4_R3pl as the corresponding password and we will assume that the replication slave will be located on host bluebox..

How to do it... 1. Start MySQL Adminis trator. Connect to your database server using the admin4mysql account.

2. Select the entry User Administration either from the list on the left or from the View menu. 3.

Click on the Add new user button. 4. Enter the basic user information (username repl_user, password Pw_4_R3pl, contact information), followed by a click on the Apply changes button.

. 8 . 5. Right-click on the new user repl_user (in the user list on the lower left) and choose the option Add host from which the user can connect:. MySQL User Management Software PDF417 6. In the following form, enter the host from which you are going to perform your backups (here: bluebox). 7.

Select the tab Global Privileges. Choose the REPL_SLAVE privilege from the Available Privileges list on the right, press the < button, and subsequently click on the Apply changes button..

8 . 8. Right-click on the Software PDF417 backup_usr entry on the user list and select Remove host from which the user can connect from the context menu..

9. Confirm the message box indicating The any-host (%) entry has been deleted, then click the Apply changes button..

How it works... Let"s inspect the step s of the above recipe. In steps 1 through 4, we defined a new account named repl_user, which at this point has no privileges at all, but could connect to the MySQL server from any host. With steps 5 and 6, we define the specific host from which the user will be allowed to log on (in this case this is the host that runs the replication slave).

Step 7 assigns the privilege necessary for the replication slave to the new account. With steps 8 and 9, the account repl_user is changed in such a way that it can no longer be used from any host (actually, the account repl_user@% is removed, while a second account repl_user@bluebox stays intact). A possible attacker would have to log in to the replication slave host to make use of this account.

. MySQL User Management There"s more... To create the replicat PDF417 for None ion account without resorting to a GUI tool, you can alternatively use the following SQL command:. GRANT REPLICATION SLAV E ON *.* TO "repl_user"@"bluebox" IDENTIFIED BY "Pw_4_R3pl";. See also f f f Defining an alternativ Software PDF-417 2d barcode e user for administrative tasks Configuring MySQL Administrator to display global privileges and hosts Avoiding plain text passwords in administrative scripts. Allowing access from specific hosts only When creating a user a barcode pdf417 for None ccount using MySQL Administrator, the user is by default entitled to log in from any host. If the account will be used on specific clients only, it is advisable to modify the account in such a way that login is restricted to these clients. This helps to reduce the chance of successful attacks against your database server because a possible intruder will not only have to get hold of (or guess) the proper credentials, but also has to seize control of one of the registered clients.

The following recipe will guide you through the steps of restricting a user account to a specific host.. Getting ready For the following step pdf417 2d barcode for None s, we assume that an account with username example has already been defined and that this account is enabled for login from any host. We furthermore assume that this account should be changed in such a way that it can only be used to log in from host client1.mycompany.

com.. How to do it... 1. Start MySQL Adminis Software barcode pdf417 trator. Connect to your database server using the admin4mysql account.

2. Select the entry User Administration either from the list on the left or from the View menu..

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