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Web security practice (4) c # simple http programming exampleFor http programming, we can follow the http protocol in Socket mode. For http programming, Microsoft provides encapsulated classes such as WebRequest, WebResponse, HttpWebRequest, and HttpWebResponse, for more information about these classes, see other articles in the blog. I will only briefly introduce the HttpWebRequest and HttpWebResponse clas
browser to obtain information such as its cookie. Instead, CSRF is borrowing the user's identity to send a request to Web server because the request is not intended by the user, so it is called "cross-site request forgery". The defense of CSSRF can be carried out from a few aspects; Referer, token or verification code to detect user submissions; Try not to expose the user's privacy information in the link of the page, for the user to modify the deletion and other operatio
20155324 "Network countermeasure Technology" Web Security Foundation Practice Experiment ContentUse Webgoat for XSS attacks, CSRF attacks, SQL injectionExperimental question and answer SQL injection attack principle, how to defendThe ①sql injection attack is an attacker who adds additional SQL statements at the end of a predefined query in a Web application, takes SQL statements as user names, and then ente
Microsoft SQL Server Security Questions Microsoft SQL Server Security Questions The ORACLE tutorial is about Microsoft SQL Server Security. Microsoft SQL Server 7.0 security questions
The Java language provides flexible, seemingly simple threading capabilities that make it easy to use multithreading in your applications. However, concurrent programming in Java applications is more complex than it seems: in Java programs, there are subtle (and perhaps not subtle) ways to create data contention (race) and concurrency problems. In this Java theory and Practice, Brian explores a common thread hazard: Allow this reference to escape duri
The ORACLE tutorial is about Microsoft SQL Server Security. Microsoft SQL Server 7.0 security questions Microsoft Corporation [Microsoft SQL Server 7.0, hereinafter referred to as "SQL Server 7.0 」] Which security modes are available for SQL Server 7.0? Two types: SQL Server and Windows NT (hybrid) and Windows NT only
: This article mainly introduces 10 security questions in Nginx. For more information about PHP tutorials, see. Nginx is one of the most popular Web servers today. It provides services for 7% of the world's web traffic and is growing at an astonishing rate. It's an amazing server. I 'd like to deploy it. The following is a list of common security traps and solut
Security Web gateway assessment: 10 questions that enterprises should be awareAfter you understand the advantages and disadvantages of the secure Web gateway device, you need to evaluate whether the technology is suitable for your environment. The following are 10 questions that enterprises should think clearly to determine whether
Several security questions about DNS Author: demonalex In the TCP/IP architecture, the most insecure is the data security at the application layer.Program/The remote buffer overflow and Script Injection of the operating system occur at this layer. Do you know how insecure it is ?! Today, I want to talk about the security
servlet will complicate the execution and cause multi-threaded security issues. 5. You must lock external objects (such as files) in multiple servlets for mutually exclusive access. Iv. singlethreadmodel InterfaceJavax. servlet. the singlethreadmodel interface is an identifier interface. If a servlet implements this interface, the servlet container ensures that only one thread can be executed in the service method of the given servlet instance at a t
For php security questions, is index. PHP used as the homepage of the website secure? It is necessary to read the data library in a dynamic way, and do not use index.html to display the php file to dynamically display the php content. therefore, index is used. php is the homepage of the website. I don't know if it is safe. because index. the PHP file contains the database address and password. Is there any
May I ask memcached security questions. I see that memcached does not have a user password or something like that. The link can be used. For example, I have created a key $ body on the virtual machine. for users of the same virtual machine, if I guess my variable name. Can he also get the data ?, Shared space is even less likely. could you tell us about memcached's secu
OpenSSL updates nine Security Questions 06-Aug-2014: Security Advisory: nine security fixes Https://www.openssl.org/news/secadv_20140806.txt OpenSSL 0.9.8 DTLS users should upgrade to 0.9.8zbOpenSSL 1.0.0 DTLS users should upgrade to 1.0.0n.OpenSSL 1.0.1 DTLS users should upgrade to 1.0.1i. OpenSSL TLS Protocol Downgr
For server security questions, first of all, how can I remotely obtain files from other servers when I cannot log on to another server? Nbsp; for example, the entire directory file of a project .. Nbsp; if someone else packages this project, you can download it if you know the path and package name. Otherwise, it is impossible? In addition, how can we prevent accidental leakage of PHP configuration files
For general questions about the security of image uploading, I only need to check the suffix, upload abc.jpg, and put it in/xxx/xxx.jpg. but today I saw an article about how a piece of code is used to create a jpg image and then upload it. Lt; img nbsp; src = "xxx.jpg" gt; then the code is executed? I have been using Baidu for a long time to find information about image Upload
. Creates a collection. 6.PropFind and PropPatch. Retrieves and sets properties for resources and collections. 7.Copy and Move. Manages collections and resources in the context of a namespace. 8. Lock and Unlock. Overwrite protection.In layman's terms, the protocol allows us to manipulate files on remote servers through the HTTP protocol, including writing, deleting, updating, and so on.Understanding this, it seems, if the protocol is opened in a Web service, it means that a malicious attacker o
Tags: command line change log Linux kernel MSF blog Security Info TopicExperimental one topicNmap with Metasploit for port scanningProblemHow does Nmap cooperate with Metasploit for port scanning?ReplyHere Nmap with Metasploit for port scanning refers to the MSF command line in Metasploit, called Nmap for port scanning.Experiment two topicsBuffer Overflow Vulnerability ExperimentProblemThe stack changes before and after calling BOF () in the vulnerabi
?Optimize from several aspects:(1) Static file placement(2) Cache(3) Outer chain(4) Caching DOM(5) Using Iconfont(6) Asynchronous loading and caching of Cards(7) Not on the first screen will be asynchronous(8) The domain name of a small number of static filesSee more: 1190000005882953Six, the front-end speed statistics (performance statistics) How to do?Answer the following two questions:(1) What are the indicators of the website?(2) How do you count
authorization cookie in the POST request body or URL, the request must come from a trusted domain because the other domain cannot read the cookie from the trusting domain. Contrary to the usual trust idea, using post instead of the Get method does not provide effective protection. Because JavaScript can use forged post requests. Nonetheless, requests that cause "side effects" to security should always be sent using post. The Post method does not leav
Recent web security issues are summarized as follows:One, cross-site scripting attacks (XSS)Inserting malicious code into a Web page is primarily a place that involves user input.Never trust the user's input. Tests are required (such as escaping when special characters are displayed).Second, cross-site request forgery (CSRF)Forge a connection request, sending a request as a user without knowing the user's identity.Note: Use token or verification code
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