authenticate to the security domain such as LDAP (Lightweight Directory Access Protocol) or the relational database. If the user provides authentication information that is valid, the login action injects an object into the HttpSession object. HttpSession there is an injected object that indicates that the user has logged in. To facilitate the reader's understanding, the example attached to this article only writes a username to HttpSession to indicate that the user has logged in. Listing 1 is
Validation of radio, checkbox, select in fact, the method is not much different from the one mentioned earlier, but the problem is that the error message appears after the first element of the same group, and the effect is as follows:
The solution to this problem is to assign the error message to a specific location, which can be customized in the parameters of the Validate () method
Password 1Password 2Email Sex Age
If you add
Although there are many password management software, such as 1Password and LastPass, many users continue to use very simple numbers and letters to form their own passwords. SplashData recently released the 2014 Worst password list, which shows that the worst password for the 2014 year is still 123456.
SplashData has been the worst password for 4 consecutive years, and the organization has counted 3.3 million passwords leaked over 2014 years.
then authenticate to the security domain such as LDAP (Lightweight Directory Access Protocol) or the relational database. If the user provides authentication information that is valid, the login action injects an object into the HttpSession object. HttpSession there is an injected object that indicates that the user has logged in. To facilitate the reader's understanding, the example attached to this article only writes a username to HttpSession to indicate that the user has logged in. Listing
-s-F testdb11.sql TestDb1E:\>psql-u testrole2-f testdb1.sql TestDb2 >a.txt 2>1Password for user TestRole2:When importing, using-u TestRole2 often have a lot of permissions enough to successfully import the owner of the related database object, so it is best to use Super User-U postgres:E:\>psql-u postgres-f testdb1.sql TestDb2 >a.txt 2>1Do not dump permissions option:-XE:\>pg_dump-u postgres-x-s-f Testdb12.sql TestDb1Testdb12.sql a few lines less than
JavaScript-based plugins. For example, 添加到桌面 now is a section of the JS code in Safari.In addition to the features that Apple has demonstrated on WWDC, this improvement in safari means that surfing the web can be a great experience. For example, you can directly call 1Password or Lastpassword saved account password in Safari login, if your iphone has Touch ID fingerprint identification, you can even directly fingerprint authentication login.Pocket.co
koala bear ". Now, you can use the first letter of each word in the sentence, add some punctuation marks, and replace some letters with numbers. In this case, the password is mFA1tkB !.
7. Use applications and tools to create and manage passwords.
Sometimes, even if you follow the tips listed above, it is hard to come up with a secure password that you can remember. Fortunately, we have some trustworthy applications and services that can help you solve this problem.
For example, LastPass can sa
relational database. If the authentication information provided by the user is valid, the login action injects an object into the HttpSession object. If an injection object exists in HttpSession, it indicates that the user has logged on. For ease of understanding, only one user name is written into HttpSession to indicate that the user has logged on. Listing 1 illustrates the login action by extracting a piece of code from the loginAction. jsp page:
Listing 1//...// Initialize RequestDispatcher
security, then how to use "insecure AJAX" cannot weaken its security. Otherwise, if the application itself has vulnerabilities, no matter what technical request is used, it is insecure.
SQL Injection
SQL Injection expansion will also be a great learning, and it has been a very popular (of course, now...) for a long time. Here are just a few of the most extreme examples.
The premise is that the background does not filter the front-end input data; otherwise, it cannot take effect.
Assume that the
1. first install wvdialsudoapt-getinstallwvdial in Ubuntu8.04 if an exception occurs during the installation process, you need to reinstall it, may not match the previous version of the sudoapt-getautoremovewvdialsudoapt-getinstallwvdial2. view the installation status of sudowvdialconf3. the configuration file sudo/etc/wvdial.
1. First install wvdial in Ubuntu 8.04Sudo apt-get install wvdialIf an exception occurs during the installation process, you need to reinstall it, which may not match the
, one lower-case letter, one upper-case letter, and one special character.Risk Description:If a password is associated with a user, you must modify the business configuration file synchronously when changing the password. Otherwise, the business may become unavailable.Operation Method:Set Password rules: each character has at least one character from these character sets a-z, A-Z, punctuation, 0-9Modify the/etc/pam. d/passwd file:# Vi/etc/security/passwdMake sure that the following lines are not
to the database is active.The user can query the value of the connected property to determine the connection state of the database. If this property is true, the database is in a connected state; False, the current database connection is closed.4) ConnectionStringA string is used to specify connection information for the database. The standard caller of the hyphen string is: adoconnection1.connectionstring:= ' Provider=providerret; Remote Server=serverret ';Among them, the common parameters sup
The first thing to declare is that this article is purely an ignorant view of a little developer without foresight and knowledge, and is intended only for reference in Web system security.1, some superfluous wordsXPath injection and SQL injection, very similar in principleBut XPath injects objects primarily to XML, which is relatively more dangerous.2. Save XML for user informationroot>user>ID>1ID>username>Adminusername>password>123password>user>user>ID>5ID>username>Ffmusername>password>
. It is true that the password leak event does not cause too much loss. But there is a good saying, thief difficult to prevent. Think about how serious the consequences are if someone around you accidentally sees this information and takes a photo. After all, it takes just a few seconds to get this information.Method Three, with 1password software, although convenient, but the dependence of the device is relatively strong.Method Four, Practice yellow
phone:From a security standpoint, the most secure iphone in a common phone, the iphone requires the "fingerprint unlock" feature and the "Find My iphone" feature to open, and the security of the Apple ID password, with a unique secure password. If your phone is lost, sign in to the icloud website the first time, and turn on Lost mode on the Find my iphone so that no one else can use your phone (even if the brush is not working), and its minor calls to the operator to report a SIM card loss. In
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