SSRF-issues ignored during design
Sometimes there is a wall in front of you, blocking your path. At this time, we only need to open a door on the wall, but the door must be locked. Otherwise, a security vulnerability will occur. There are many reasons for server-side Request Forgery (SSRF), but generally there is no lock installed on the door.
The same-source policy (SOP) is the wall that the browser uses to ensure user security. Without this wall, th
: Direct Double-click installation, the installation process can choose the installation path of studio and SDKLinux: I install under Ubuntu, (recommended setting java_home environment variable) requires more than 1.7 JDK support, the installation process needs to select the SDK and JDK pathUsage issues Summary1, how to update the Android SDK in China?Due to some well-known reasons, we are unable to directly connect to the Android SDK Update Service U
Talking about the optimization of business-to-business sites, many search engine optimizer do not know how to do, because most of today's search engine optimizer is engaged in the optimization of the company's Web site, can reach the optimization of the Web site search Engine optimization staff is few, but the company has to build a business-to-web site, Since they have to pay more attention to business-to-web site information, read a lot of introduction to business-to-business site optimization
JS implementation for copying data to the clipboard -- ZeroClipboard (also solves IE compatibility issues)For general technical users, this is nothing, but for non-technical users, it will feel more troublesome. Therefore, from the perspective of practicality and User Experience Improvement, you must copy and paste the clipboard directly to the user. Today we will introduce a small plug-in that implements this function, ZeroClipboard, and discuss the
two products, and is not sure if there will be potential issues, reminding the general administrator to note this when using WSUS or Windows Update to patch the Exchange server.Also: refer to the compatibility matrix for Exchange Server: https://technet.microsoft.com/zh-cn/library/ff728623 (v=exchg.150). aspxAnother 2:exchange 2010 with the old question of. Net Framework4.0: https://social.technet.microsoft.com/Forums/en-US/ 521a346d-48c3-4231-a274-b
/* Multi-threaded security issues1. Why are there security issues?Because the program is running, a thread will be eligible for execution after judging the condition, but no code is runningThe latter thread also judged the condition and was qualified for execution, and the latter thread ran the code, but at this point the thread ran out of condition that it did not meet theAt this point, there's a security problem.2. Methods that implement interface t
Http://yangjunwei.com/a/723.htmlAnalysis of LNMP frequent 502 bad gateway issues in the CentOS system 2012-01-28 Yang JunweiPost a comment(1)Recently the VPS always appear Nginx 502 bad Gateway error, cause the webpage cannot access normally, but FTP and SSH connect normally, it is nerve-racking! This time, good treatment!According to the problem, it should be php-fpm problem, first check the log file/usr/local/php/logs/php-fpm.logThe log content is r
October 16, 2014 Google released a new Android 5.0 system, to bring users fresh functionality and fresh interface, but also to the application of new challenges. When the app encounters 5.0, have you ever experienced a startup failure, a control that is incompatible, a fan-like flashback ? So there's more compatibility issues you haven't found yet?In order to make the application of the vast number of developers better service users,Appcan Joint Testi
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In order to successfully install the PHP Manager for IIS 8, you need the. NET 3.5 Framework installed and enabled, and for Some reason, that's not part of the setup, which does download the. NET 2.0 framework.So, just add the. NET 3.5 Framework manually (you can do so through the "Add Features" wizard), and the your PHP manager s Hould install properly. And don ' t forget to apply the security patches from Windows update for the new frameworks before sending this box in
Use @Lob annotations to save string[] issues in HibernateIn hibernate annotations, how do you want to save a field string array type, if you want to try to save as CLOB type, it is generally defined as:@EntityPublic class Person {... @LobString [] stringarray; ...}Most of the time when you create a table automatically, hibernate will tell you that JSON cannot be converted or the class conversion error, because you save text type literal, hibernate onl
This article focuses on solving IE compatibility issues with the IE7 JS Library. We have discussed how to display transparent PNG normally in IE6. In that article, we discussed how to display PNG images in IE versions earlier than IE7.
IE7 JS Library solves IE compatibility issues
We have discussed how to display transparent PNG normally in IE6. In that article, we have discussed how to make PNG images norm
CompatibilityThe problem is that multiple browsers exist at the same time. These browsers sometimes behave differently when processing the same page. This difference may be very small, not even noticed; it may also be very large, or even cause failure to browse normally in a browser. We collectively refer to the problems that cause these differences as "browser compatibility problems ". Let's take a look at it.JavascriptSolutions to compatibility issues
and UDP ports they occupy separately.2. See which process is used by a port, including remote IP and local IP, and all TCP and UDP portsHow to read the display listProgram Interface:This program returns values using the netstat command under the Windows command line.What is the netstat command?
Netstat, in the Internet RFC standard, NETSTAT is defined as: Netstat is a program that accesses the network and related information in the kernel, and it provides reports on TCP connections, TC
Web Security is the two focus that our Test team has been keeping abreast of performance tests . The process of development also needs to pay attention to the escape of the place to escape, the shielding of the local shielding, the filter of the local filter and so on. At the end of the year, there is bound to be a large number of lottery raffle activities such as development, on-line, in this process, the security issue is each of us should be tense nerves, for our testers, each activity needs
in a chessboard of 2kx2k squares, a square is different from other squares, calling it a special square and calling it a special chessboard. problem: Use 4 different forms of L-shaped dominoes to cover all squares except special squares on a given special chessboard, and any 2 must not overlap. There are 4k cases where special squares appear on the board. Thus, for any k>=0, there are 4k different special chessboard. It is easy to know that in any 2k * 2k chessboard, the number of L-type dominoe
Java 9 migration notes summary, Java 9 migration issues Summary
Collation
This article mainly studies some precautions for migrating data to Java 9.
Migration type
1. The code is not modularized. First, the code is migrated to JDK 9 to make good use of the APIs of JDK 9.
2. Code is also modularized for Migration
Notes
Unreadable class
For example, sun. security. x509 belongs to the java. base module in java 9, but this module does not export the pac
defines how the browser and server should communicate when accessing cross-domain resources. CORSThe basic idea behind this is to use a custom HTTP header to communicate with the server to determine whether the request or response should succeed or fail.type="Text/javascript" > new XMLHttpRequest (); Xhr.open ("/trigkit4",True ); Xhr.send (); script> The above trigkit4 is the relative path, if we want to use it CORS , the relevant Ajax code might look like this:type="Text/javascript" >
IntroductionProducer and consumer issues are a classic problem in threading models: producers and consumers share the same storage space during the same time period , as shown in, producers store data in space, and consumers access data, If not coordinated, the following conditions may occur:Producer Consumer ChartStorage space is full, and producers occupy it, consumers wait for producers to give up space to remove products, producers wait for consum
Before the problem: the registration of the Protocol in the Registry is to enter the MRP in the browser : (Note: The colon can be followed with the parameters will be discussed later) will open the defined MRP program. The key comes, this is the company has been so used, have encountered problems. And then... Boss, send me mrp://|{. qno is set in HTML After.... A little click did not respond, put a blog Park link to try it, no problem, click to enter the home page.Start looking for information o
With the SharePoint API, we often have time zone conversion issues, how does the SharePoint API itself handle time zone problems?This article mainly takes the modified field as an example to test the behavior of the related API.CSOM API test: Output code:Private Static void clientapioutputmodified (clientcontext context, ListItem ListItem) {context. Load (ListItem); context. ExecuteQuery (); var modifiedtime = (DateTime) listitem["Modified"]; Console.
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