This article illustrates how ASP.net uses cookies to save user passwords for automatic login. Share to everyone for your reference. The specific analysis is as follows:
In asp.net, you can save the user's account password with a cookie to achieve the function of automatic login, but you need to emphasize that cookies are stored on the client, it is not safe, it is recommended to use MD5 encryption to save.
The following is an analysis of how cookies
Oracle
A trick to modify Oracle user passwords
Database version: 9.2.0.5
Sometimes we may not know a user's password, but also need to do some operations with this user, and can not modify the user's password, this time, you can use some tips to complete the operation.
The specific procedures are as follows:
Sql*plus:release 9.2.0.5.0-production on Sunday November 21 13:32:34 2004
Copyright (c) 1982, 2002, Oracle Corporation. All rights reserve
This article describes how to use a PHP script to modify a Linux or Unix system password.
Required Tools and Installation:
You must install the following tools and software:
– The shell script that modifies the password;
–sudo access rights;
–apache or LIGHTTPD Web server;
–php Service-side program.
Step 1: Install shell scripts that can modify user passwords
This script can actually be used to modify the password of the Linux user (already te
fact, QQ login code architecture is the same, with the same principle can easily hook to the QQ password, the effect of the picture In fact 360 these anti-virus software dynamic defense function is to use such a principle, such as the Rights management function, if we set the appropriate permission for an app to "remind" of the such as texting, when the app text message will be the box to remind users, such as the picture also such as app acquisition device information (IMEI) is
Asp.net| encryption when we set up a database on the website, it is necessary to protect the user's information security. Most users do not want to let others know their own information, while network management also do not think because of security issues and loss of credibility of the site. Security issues are very important to anyone.
To solve this problem, I provide you with a simple and practical, but the old-fashioned way, is password encryption. Here we use ASP.net technology to encrypt
This article describes how to use a PHP script to modify a Linux or Unix system password
Required Tools and Installation:
You must install the following tools and software:
– The shell script that modifies the password
–sudo access Rights
–apache or LIGHTTPD Web server
–php Service-side program
Step #: Install shell scripts that can modify user passwords
This script can actually be used to modify the password of the Linux user (already tested
Tags: Oracle Modify user name modify user passwordAfter the Oracle database is copied or cloned, it is often necessary to modify the user name and password, and the following summarizes the methods and steps to modify:1, Query system table user$SELECT name,user# from user$ WHERE UPPER (TRIM (name)) = ' USER NAME ';2. Modify User NameUPDATE user$ SET name = ' NEW name ' where user# = (SELECT user# from user$ WHERE UPPER (TRIM (name)) = ' user NAME ');COMMIT;3. Clear the CacheALTER SYSTEM CHECKPOI
administrator. The use command is then used to switch to the target database, and the Db.createuser () command is used to create the user with the role name "ReadWrite".There are two types of common database user roles, read and ReadWrite. As the name implies, the former can only read data cannot be modified, the latter may read and modify.Here is an example:> Use testSwitched to DB test> Db.createuser ({User: "TestUser", pwd: "Testpass", roles:["ReadWrite"]})Successfully added User: {"user": "
You go into/etc/mysql. Then there will be a debian.cnf file in the directory, with the sudo cat debian.cnf to see what's inside.If the user name is Debian-sys-maintUse the Mysql-u debian-sys-maint-p command and enter the password in the debian.cnf file above and then log in to MySQL.mysql> use MySQL;Database changedmysql> Update user Set Password=password (' New password ') where user= ' root ';Query OK, 4 rows Affected (0.00 sec)Rows Matched:4 Changed:4 warnings:0mysql> flush Privileges;Query O
Object-oriented considerationsUser information is the user itself, the user name and password is just the login keyPerformance considerationsLogin Verification when the column is less, query fast.Security ConsiderationsTo prevent the query of user information, the password is also directly queried, it will be vulnerable to attack and malicious operations.Database design-What are the benefits of dividing user names and passwords into two tables with ot
Tags: prompt class MySQL Modify set method input directory logout SQ Method 1: Use the Set password command first log in to MySQL. format:mysql> Set password for user name @localhost = password (' new password ');example:mysql> set password for [email protected] = password (' 123 '); Method 2: Use Mysqladmin Format: Mysqladmin-u username-P Old password password new passwordExample: mysqladmin-uroot-p123456 password 123 Method 3: Edit the user table directly with update first log in to MySQL. my
Open SQL Plus to unlock and change your password under SQL Plus, as follows:Run---> cmd---sqlplus, prompting for a username, where we first enter with the Administrator account: System----The account has higher permissions than Scott,Enter the set password, enter the following prompt to indicate the connection and successfully log in to the database:Database 11.2. 0.1. 0 - Productionbit with andReal Application Testing Optionssql>Enter the following SQL statement in SQL Plus: as SysdbaEnter th
Today, I encountered an Access database, using the common view Access tool, showing that the password is garbled, invisible characters, and therefore unreadable. With the removal of the password tool is not used, and finally found a way to deal with.This is handled in the following way:With Izmado.jar, the program can be written, Java programs and Java read MySQL program basically the same, and do not need a password, Izmado.jar can be downloaded from the Internet.Reprint please indicate source,
Connect to data with sys user sqlplus:Sql*plus:release 11.2.0.3.0 Production on Thu June 22 11:07:58 2017Copyright (c) 1982, Oracle. All rights reserved.Connected to:Oracle Database 11g Enterprise Edition Release 11.2.0.3.0-64bit ProductionWith the partitioning, Oracle Label Security, OLAP, Data Mining,Oracle Database Vault and Real application testing optionsSql> Show parameter Sec_case_sensitive_logon;NAME TYPE VALUE------------------------------------ ----------- --------------------------
First, batch create usersBatch creation of users can be achieved by command newusers.The use of this command is NewUsers file.txt (a text file)Storing user information in a text file that needs to be added in bulkBut there are requirements for formatsFormat:Pw_name:pw_passwd:pw_uid:pw_gid:pw_gecos:pw_dir:pw_shellIts format is the same as the format of the/etc/passwd fileHowever, when finished newusers batch created users, there is no user template file in the generated home directory, these file
Tags: SQL default installation1. Adapt to window identity login2. New QueryCreate login bai1 with password = ' 1234 'Create user BAI2 for login bai13. On the right-hand side of the top right-hand attribute, then find security, using Windows and SQL password hybrid login. Are you sure4. Exit SQL5. Right-click on my Computer to manage. Locate the SQL Configuration Manager, and then restart the MSSQL service.6. Login using username bai1, password 1234 can loginCopyright NOTICE: This article for Bo
Requirements Description :Linux environment in the creation of users, involves the modification of the user's password, generally through the passwd command to modify, need to confirm multiple times, here consider a command directly to modify the passwordThere is no way to interact. This record.Operation Process :1. Use the echo command to combine the passwd command to achieveEcho " mytest " passwd -- for user mytest. passwd: All authentication tokens updated successfully.Note: The part marked
Every day after people go to work and connect to the internet, they need to enter all kinds of IDs and passwords to enter the work system, mailbox system, management system ...... in their spare time at work, people also go to communities, blogs, and social networking websites, and also need to enter various passwords. Passwords are closely related to people's wo
Detailed explanation of how to execute hash and salt operations on passwords
The hash and salt operations on passwords are not unfamiliar. The two Visual Studio Enterprise Edition examples use this method to encrypt this method. Combined with the sample code, I summarized a class that includes static methods such as encryption and comparison of passwords.Instructions for use: Us
Currently, passwords are classified into symmetric passwords and asymmetric passwords. Among them, symmetric passwords include des, 3DES, and AES, While asymmetric passwords include RSA and ECC.
Let's give an example of a simple symmetric password. Suppose there is a string
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