etf technical analysis

address is related:MAC address and IP of the last 3 paragraphs are always the same, the first 3 of the MAC is always fixed, check the multicast IP address and MAC address is mapped, if the guess is right 数据发送 this point we found, and then think about how to receive it on the chip.Since it is stored in the MAC data, and in the sniffer should be able to see the MAC address, check the next 802.11 protocol, the frame head can see the MAC address, the data will be sniffer to the frame header resolut

Technical Analysis of Membership Card Management System (18) timed monitoring of Timer and membership card timerTechnical Analysis of the membership card management system (18) Timer monitoring of Timer in web applications. Sometimes the customer needs some Timer programs and does not need to operate them on their own, but is triggered by the application itself (

, under the assumption of the internet security threat model, security control measures at the network boundary can be taken to ensure the security of the entire network. The threat model of Intranet security is more comprehensive and meticulous than the Internet security model. It assumes that any terminal, user, and network in the Intranet network is insecure and untrusted, threats may come from both the Internet and any node on the Intranet. Therefore, in the threat model of Intranet security

the verification code This file function is relatively simple, mainly pop up fake QQ exception box.For details, refer to the "account exception" dialog box, where the color Verification Code image is false: Figure 8 Comparison Between the QQ exception dialog box popped up by the virus and the normal dialog box Vi. Analysis of Technical Points 1. Release the fake System File msimg32.dll to the qq director

and there is a high risk. In addition to vertical scaling, we choose horizontal scaling, that is, adding servers, unlimited performance expansion, of course, there are a lot of content in it. How to back up and synchronize databases is a problem that needs to be considered and solved, in addition, we also need to consider the problem of data duplication between so many machines. In addition, it is possible to cache the database to memcached or use mysql proxy to implement connection pool and ot

of the current virtual processor/Vmx_preemption_timer_value = 0x0000482e,Guest_pending_dbg_exceptions = 0x00006822 ,/Pending debug exceptions/ Host-state region FieldHost_rsp = 0x00006c14 ,/Stack pointer/Host_rip = 0x00006c16 ,/Command pointer//Control Register/Host_cr0 = 0x00006c00,Host_32a = 0x00006c02,Host_cr4 = 0x00006c04,/Segment Selection Register/Host_es_selector = 0x00000c00,Host_cs_selector = 0x00000c02,Host_ss_selector = 0x00000c04,Host_ds_selector = 0x00000c06,Host_fs_selector = 0x00

"WCF Technical Analysis (Volume 1)" Since the publication of nearly 20 days, has been the garden of friends and the vast number of WCF enthusiasts alike, and the Network of Excellence Computer Bookstore as the home recommended, here for the support of everyone to express our gratitude. At the same time I will always adhere to this blog series, and share my knowledge of WCF and learning experience. In the "m

Label:Oracle's hints feature is a relatively strong feature and is a complex application, and hints are only a recommendation to Oracle, and sometimes Oracle may not follow the prompts for cost considerations. According to the practical application, the developer is generally not recommended to apply the Oracle hint, because each database and server performance is not the same, it is likely that one local performance improved, but the other place is down, Oracle in the SQL to perform the

ProxyBack technical analysis: can turn your computer into a proxy server malware On the Internet, anonymous proxy plays an important role in protecting personal privacy. However, when someone turns their system into a proxy server without permission, their situation is dangerous. Palo Alto Networks researchers have discovered a family of malware called ProxyBack and discovered that since March 2014, more th

The paging principle technical details analysis (php + mysql) instance mentions paging, which is familiar to everyone. we often encounter paging when browsing webpages, especially the list of news articles, as shown in: Paging instance Next, we will use an example to analyze the technical details of the paging principle.I. functional development ideas Befo

I. Custom Controls are printed Print using the webbrowser control provided by IE Printing using third-party controls 1. Custom Controls Custom Controls use tools such as VB or VC to generate COM components and use the defined print format to analyze and print the source files. Only by downloading and registering the generated components to the client can Print. The difficulty is to define the print format and how to analyze the print source file. A better method is to use XML technology to compl

Article Title: Linux dynamic link library technical analysis and porting skills. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. Abstract: The concept of dynamic library exists in Windows and Linux systems. Dynamic library can effectively reduce the program size and save

Analysis of key technical issues of IMS-based network convergence Font Size:SmallMediumLarge|PrintRelease: Author: webmaster Source:Network reposted: 78 timesThe emergence of Softswitch technology has led to the adoption of Softswitch technology for the integration of core control layers. However, due to the large differences in fixed and mobile Softswitch functions and protocols, Softswitch has become the

obtains the data returned by the cache server, it displays the data and completes the browsing data request process.Through the above analysis, we can see that in order to achieve transparency to normal users (that is, after the cache is added, the user client does not need to make any settings, and can directly access the original Domain Name of the accelerated website ), in addition, when providing acceleration services for a specified website and

of large, high-concurrency and high-load websites Http://blog.csdn.net/heiyeshuwu/archive/2006/04/29/697498.aspx [Conversion] simple Chinese Word SegmentationProgram Http://blog.csdn.net/heiyeshuwu/archive/2006/08/23/1108229.aspx [Go to] memcached deep analysis Http://blog.csdn.net/heiyeshuwu/archive/2007/02/14/1510003.aspx [Switch] Performance Tuning for Web Applications Http://blog.csdn.net/heiyeshuwu/archive/2009/07/07/4327371.aspx

Reader contribution: has been studying the Internet technology, often visit such websites, whim, why we do not go to see the technical framework of these sites what kind of? Research the source code? So there is this series, first to find who? Or to find a cottage version of the net surgery, this happy net, not that happy net, hehe. Frankly speaking, I do not want to register, also do not want to study too much, in general, a site most important is th

Vulnerability tracking: Flash serious vulnerability (CVE-2015-0311) detailed technical analysisYou have a good time with the Flash 0-day vulnerability last week. You need to know why, and sit down and see the cause of this vulnerability when you are tired of playing.Vulnerability Background: Flash has been exposed to severe security vulnerabilities, affecting all versions of Windows, IE, and FireFoxLast Saturday, Adobe updated the Flash Player softwar

For the first poor translation, I would like to thank google translation and youdao Dictionary (word translation ), this vulnerability is triggered because when the CPL icon is loaded using a specially constructed shortcut, the dll file will be loaded directly through the "LoadLibraryW" function (originally, the file resources were only intended to be loaded but not judged ). whether the dll file is a special CPL file, as a result, malicious dll files are directly loaded. This causes the user to

Technical analysis: cracking wireless wi-fi WPS authentication mechanism (1) 1. WPS authentication mechanism WPS (Wi-Fi Protected Setup, Wi-Fi protection settings) (some are called AOSS, some are called QSS, but all functions are consistent .) It is a certification project organized and implemented by the Wi-Fi Alliance. It is mainly designed to simplify the installation and security performance configurat

Technical analysis: How can attackers use blind injection of system commands to achieve "database theft? In the penetration test or CTF challenge, you may encounter an application that requires the user to input text information, the application passes user input as a parameter to a system command or to the associated program running tasks at the underlying layer. However, we know that if the input informat