Does a website need to consider security issues when it is developed?
Server security is not just a good upload, form dangerous string filter it? XSS SQL
Reply to discussion (solution)
XSS SQL injection cross-domain attack special character processing
It's so simple. 2. Input validation and output display2.1 Command Injection2.2 Cross-site scripting2.3 file contains2.4 Code Injection2.5 SQL Injection2.6 XPath Injection2.7 HTTP response Split2.8 File Management2.9 File Upload2.1
session. CAS server creates a cookie that is used for all application certifications, and each app identifies whether the user is logged in by creating a separate session.
When a user accesses the app in the same browser after an app has been validated, the filter in the client application reads the user information in the session, so it does not go to CAS server authentication. If you access another Web application in this browser, the filter in the
format: format content as needed, default to text/html. Processing does not cache: Set not cache header information as needed, default:
"Pragma", "No-cache"
"Cache-control", "No-cache"
"Expires", 1 processing preprocessing tasks: You can override this method in a custom Actionserver subclass to perform some of the specified preprocessing tasks. Handling Action Mappings: The controller will identify the action map based on the request and generate the action mapping object (Actionconfig) based o
organization attaches great importance to the establishment and integrity of the project management system. In addition, it also indicates that you are the "mainstay" in the organization ", however, your results are too difficult to organize. The fourth result is terrible. Why do you think it is "horrible "? The "lucky" is actually the greatest misfortune. The fourth result may push a person to the verge of "negligence fraud or beneficial fraud. A non-rea
what the user information contains.Common content include: login account, login password, e-mail address, personal website, mobile phone, QQ, Introduction, label and so on.Users may also include enterprise users, there will be: Enterprise name, Enterprise registration number, enterprise business number, business license number, legal person, contact person, contact title and so on enterprise information.If it is an application involving money, for example: E-commerce website. There must be bank
Java
ProgramShe is a programmer certified by Sun International. She is one of the world's most valued and popular programmer certifications, with this certification, you can get excellent job opportunities and generous treatment.
Java cross-platform and many other features make it the fastest-growing software product in the future: it is supported by around 150 license issuing institutions, 200 universities and 0.5 million developers; more than 10
, the following is an analysis of several major users (table 1 ).
Position
Responsibilities
Operation content
Demand Extraction
Experience Objectives
Customer Service staff
Customer Service personnel communicate with customers in various ways, collecting, analyzing, managing, and applying customer data to support all parties.
View user data, copy ticket Q A, single adjustment operation,Batch adjustment operation
User informati
license" is signed by the owner in the form of a password, and others are very difficult to forge. For any commercial transaction where e-commerce (e-commerce) websites, or other identity certifications are essential, the certificate is to be purchased from a well-known certification authority (Certificate Authority (CA)) such as VeriSign or Thawte. Such a certificate can be verified by electronic technology-in fact, the certification authority will
consisting of a dotted list of names, used to identify the electronic orientation of the computer at the time of data transfer (sometimes referred to as geographical location, geographical domain name, a local area with administrative autonomy). A domain name is a "mask" on an IP address. A domain name is designed to facilitate the memory and communication of a group of server addresses (website, email, FTP, etc.). Domain name as a memorable Internet participants in their names, the world's fir
building high-performance, highly scalable Internet applications-because it handles massive and high-throughput concurrent connections.How it works is quite interesting. The traditional Network Service technology, is each new connection (request) will generate a new thread, this new thread will occupy the system memory, will eventually take up all the available memory. While node. JS is only running in one single thread, using non-blocking asynchronous I/O calls, all connections are handled by
validation) the normal table validation control
(4) CustomValidator: Check values (self-defined validation) by client or server function to define validation controls yourself
3 , validation summary control(1) ValidationSummary: list validation errors for all controls in the page (validation Summary) Summary validation ResultsExample: summary of all validation information
Page.IsValid Properties:Page: The current entire page, no matter what one does not pass the value to ver
7 Wrong security configurations in the Web. xml fileThere are a large number of articles on configuring authentication and authorization in the Java Web. xml file. Instead of re-explaining how to configure roles, secure Web resources, and set different types of certifications, let's look at some common security error configurations in the Web. xml file.(1) The custom error page is not configuredBy default, Java Web Apps display detailed error informat
assurance that the owner of the server is the person you think it is. This certificate states the company associated with this site, as well as some basic contact information for the owner or system administrator of the site.The certificate is signed by the owner in the form of a password, which is very difficult for others to forge. For any commercial transaction where e-commerce (e-commerce) websites, or other identity certifications are essential,
Python3.5 simulated login and python3.5 simulated Login
Python3.5 simulated login requirements:
1. Three login certifications;
2. The input is correct ---> welcome;
3. incorrect input ---> incorrect password or account;
4. If you want to continue ---> select y or Y.
Ideas:
1. Create an account and password;
2. Use a while loop and count;
3. When the input is correct, jump out of the loop (break );
4. When count is set to 3, count again (co
Original blog, reproduced please indicate the sourceBlog.csdn.net/hello_hwc
The company may be working for a long time, so that iOS are accustomed to write iOS, since the last article in a classmate raised, I will be changed. This article describes the server certification process, I have little knowledge of the server side, so if there is inaccurate place, please correct me, I will promptly make changes.
Certifications and authorization
stolen, or forget the password.
a better approach-reset by mail itself . When the user requests to retrieve the password function, the system generates a MD5 unique random string (can be uid+ip+timestamp+ random number), placed in the database, and then set the time limit (such as 1 hours), to send a message to the user, the connection contains the link of the MD5 string, The user re-sets the new password by clicking on that link.
a better approach-multiple
(),Pit 2 Solution of CPU problemAt that time, the Socket.io version was also 0.9.16, there is no official recommended load scheme, using cluster long process, whether using the Redis store or memory store will cause the Nodejs service or Redis service CPU high pressure, Cause service response to slow, solution: Use only single process, not long process load (service scale-out is discussed later)Remaining optimizations: The V8 engine in 64-bit machine-man defaults in allowing a process to consum
Pexpect: Control and automation programs
Sikuli: Using Jython Script automation based on visual search
PyQt and Pyside:python bundled Qt application framework and GUI Library
Books
Violent Python TJ O ' Connor: A detailed introduction to hackers, forensic analysis, penetration testing and security Engineer's book (Note: The Dark cloud Community has a Chinese translation version, thanks to the straw Hat kid-dj and crown, Prince translation)
Grey Hat python python Ju
, Bootstrap provides a high degree of resiliency, enabling developers to quickly own the architecture page interface and develop the ability to support responsive Web pages (responsive web).With the release of Visual Studio 2013, development tools are taking a big step forward, and it's unifying the experience, and now you can implement the same set of features, no matter how you start to build an ASP. For example, developers can join Web APIs through Scaffolding (Scaffold) in a Web Forms projec
password, so that the password is written down to be stolen, or forget the password.
a better approach-reset by mail itself . When the user requests to retrieve the password function, the system generates a MD5 unique random string (can be uid+ip+timestamp+ random number), placed in the database, and then set the time limit (such as 1 hours), to send a message to the user, the connection contains the link of the MD5 string, The user re-sets the new password by clicking on that li
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