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π¦Network and application monitoring :
As mentioned earlier, modern network monitoring tools have evolved from network monitoring using ICMP ping and SNMP protocols to more complex tools. The regular ping command from the network monitoring server will be sent to various networks, servers and other terminal devices that need to be monitored. If the monitored device does not respond to the ping request, the monitoring tool may mark the device as "down" and then alert the support staff.
1) SNMP collects and organizes various types of data from network and server components that support this protocol.
For network devices, this usually means constantly monitoring the status of specific device interfaces and data throughput. In addition, it will monitor the hardware status, including power, fan, and memory usage.
2) Some network performance monitoring tools can also collect and respond to various system log (Syslog) messages. System log is a common standard for log messages of infrastructure devices. These messages will be sent and stored in a centralized network monitoring tool, after analysis, will be used to notify support engineers in the event of a system failure.
3) The network monitoring tool has comprehensive monitoring capabilities. It can monitor not only availability and performance statistics, but even the entire application layer. This kind of monitoring usually depends on the configured software plug-in or operating system settings to send monitoring data back to the central monitoring server.
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π¦Network and application monitoring :
As mentioned earlier, modern network monitoring tools have evolved from network monitoring using ICMP ping and SNMP protocols to more complex tools. The regular ping command from the network monitoring server will be sent to various networks, servers and other terminal devices that need to be monitored. If the monitored device does not respond to the ping request, the monitoring tool may mark the device as "down" and then alert the support staff.
1) SNMP collects and organizes various types of data from network and server components that support this protocol.
For network devices, this usually means constantly monitoring the status of specific device interfaces and data throughput. In addition, it will monitor the hardware status, including power, fan, and memory usage.
2) Some network performance monitoring tools can also collect and respond to various system log (Syslog) messages. System log is a common standard for log messages of infrastructure devices. These messages will be sent and stored in a centralized network monitoring tool, after analysis, will be used to notify support engineers in the event of a system failure.
3) The network monitoring tool has comprehensive monitoring capabilities. It can monitor not only availability and performance statistics, but even the entire application layer. This kind of monitoring usually depends on the configured software plug-in or operating system settings to send monitoring data back to the central monitoring server.
enjoy β€οΈππ»
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A) Virtualization and operating system problem detection
There must be some problems between the network and the application. This includes virtualization, server operating systems, and various middleware on which applications depend. The hypervisor needs to separately monitor problems that may cause performance degradation at the application layer. The main operating system and middleware responsible for managing communications between distributed systems have the same problem. Network performance monitoring vendors will use different methods to monitor these problems, some of which also support more hypervisors, operating systems and middleware software.
B) Network problem analysis
In addition to providing simple online/disconnected status and utilization information, network performance monitoring products can also perform more complex automated network fault repair tasks. This includes routing protocol monitoring and unplanned routing change alerts. In addition, some products can use smart technology to understand how various WAN technologies, virtual stacking, and QoS features work. In addition, they can be set to automatically send alerts when problems occur, and they can even perform automatic fixes.
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A) Virtualization and operating system problem detection
There must be some problems between the network and the application. This includes virtualization, server operating systems, and various middleware on which applications depend. The hypervisor needs to separately monitor problems that may cause performance degradation at the application layer. The main operating system and middleware responsible for managing communications between distributed systems have the same problem. Network performance monitoring vendors will use different methods to monitor these problems, some of which also support more hypervisors, operating systems and middleware software.
B) Network problem analysis
In addition to providing simple online/disconnected status and utilization information, network performance monitoring products can also perform more complex automated network fault repair tasks. This includes routing protocol monitoring and unplanned routing change alerts. In addition, some products can use smart technology to understand how various WAN technologies, virtual stacking, and QoS features work. In addition, they can be set to automatically send alerts when problems occur, and they can even perform automatic fixes.
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π¦Capture and analysis of application data and flow :
The most important task of modern network performance monitoring tools is to parse and analyze data and flows. In the network, different areas can use different methods to capture data packets, and then perform automatic and/or manual analysis. The most common methods are:
1) Deploy distributed data collection agents in all key network locations.
2) Use the packet capture function of specific router/switch hardware.
3) Analyzing data packets and performing more granular application analysis is a requirement that many enterprise organizations are paying more and more attention to. By using deep packet inspection technology, network administrators can identify communication problems that are more closely related to the application, which would otherwise be difficult to detect.
4) Network flow collection will sort out the IP network statistics of data entering and leaving the network card. Once the data is sent to a centralized server and analyzed by network performance monitoring flow analysis tools, the network support administrator can distinguish the source and target information of the traffic, as well as the detailed QoS policies that the traffic will encounter when passing through the network. Ultimately, these data will be used to identify configuration problems between network devices or congestion problems in various network paths.
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β β β Uππ»βΊπ«Δπ¬πβ β β β
π¦Capture and analysis of application data and flow :
The most important task of modern network performance monitoring tools is to parse and analyze data and flows. In the network, different areas can use different methods to capture data packets, and then perform automatic and/or manual analysis. The most common methods are:
1) Deploy distributed data collection agents in all key network locations.
2) Use the packet capture function of specific router/switch hardware.
3) Analyzing data packets and performing more granular application analysis is a requirement that many enterprise organizations are paying more and more attention to. By using deep packet inspection technology, network administrators can identify communication problems that are more closely related to the application, which would otherwise be difficult to detect.
4) Network flow collection will sort out the IP network statistics of data entering and leaving the network card. Once the data is sent to a centralized server and analyzed by network performance monitoring flow analysis tools, the network support administrator can distinguish the source and target information of the traffic, as well as the detailed QoS policies that the traffic will encounter when passing through the network. Ultimately, these data will be used to identify configuration problems between network devices or congestion problems in various network paths.
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π¦Root cause analysis
1) Integrating and analyzing various event data on a network performance monitoring tool can form an automated root cause analysis function.
2) If a problem occurs in the network, and then it triggers events of multiple components, many network performance monitoring tools will use artificial intelligence technology to analyze the correlation of these events, and finally determine the root cause of the problem.
3) This is one of the complex functions that need to be configured because it requires all equipment and monitoring systems to be properly configured.
> For example, if the device time is not synchronized through the Network Time Protocol (Network Time Protocol), the time found by the event will be wrong. This will negatively affect the accuracy of the root cause analysis engine.
4) However, once it is created and the correct maintenance measures are taken, automated root cause analysis tools can save a lot of time in troubleshooting.
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β β β Uππ»βΊπ«Δπ¬πβ β β β
π¦Root cause analysis
1) Integrating and analyzing various event data on a network performance monitoring tool can form an automated root cause analysis function.
2) If a problem occurs in the network, and then it triggers events of multiple components, many network performance monitoring tools will use artificial intelligence technology to analyze the correlation of these events, and finally determine the root cause of the problem.
3) This is one of the complex functions that need to be configured because it requires all equipment and monitoring systems to be properly configured.
> For example, if the device time is not synchronized through the Network Time Protocol (Network Time Protocol), the time found by the event will be wrong. This will negatively affect the accuracy of the root cause analysis engine.
4) However, once it is created and the correct maintenance measures are taken, automated root cause analysis tools can save a lot of time in troubleshooting.
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Forwarded from WEB UNDERCODE - PRIVATE
WinDbg Malware Analysis Cheat Sheet.pdf
2 MB
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π¦How to skip Face ID unlocking on iPhone while wearing a mask ?
Apple has released the latest version of the iOS system for developers. There are not many new features here, apart from a few related to the coronavirus. IOS 13.5 beta 3 contains a new API from Apple and Google. This interface should show whether you have been in contact with infected people or not.
Here's how it works: Using Bluetooth, the iPhone securely shares randomly generated IDs with nearby devices and retrieves their IDs. This allows the app to notify you if you have been exposed to a virus. You can also share your coronavirus diagnosis anonymously.
This update also makes it easier to bypass Face ID unlocking on your iPhone if you're wearing a mask. Since you must have a password that is created when you set up Face ID, the device will use this password to log in to the system.
π¦How to bypass Face ID while wearing a mask ?
Apple has enabled these features to work by default on the iPhone. This means that the machine recognizes you faster, regardless of whether you are wearing a mask or not. Prior to iOS 13.5, a failed face scan had to be performed a couple of times before a password could be entered.
The process was quite tedious, but now you can immediately swipe up the screen to unlock. When you do this, the iPhone automatically opens the lock screen where you can enter a passcode. If you are wearing a mask, lift the device as usual, gesture upward as you would when unlocking with Face ID. A password entry field will appear.
π¦How to turn off COVID-19 notifications on iOS :
As stated above, Apple and Google have teamed up to notify people that they have spoken with someone infected with the coronavirus. These notifications use a unique API. Applications of medical organizations can take advantage of it.
These applications do not contain personal information, but there may be people who want to disable them.
1) open iPhone Settings.
2) Scroll down and select "Privacy".
3) Click "Health".
4) Select COVID-19 Exposure Notifications.
5) Press the switch so that it is in the off position.
6) This feature can be useful these days. Apple should release the final version of iOS 13.5 soon and it will be available to everyone.
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π¦How to skip Face ID unlocking on iPhone while wearing a mask ?
Apple has released the latest version of the iOS system for developers. There are not many new features here, apart from a few related to the coronavirus. IOS 13.5 beta 3 contains a new API from Apple and Google. This interface should show whether you have been in contact with infected people or not.
Here's how it works: Using Bluetooth, the iPhone securely shares randomly generated IDs with nearby devices and retrieves their IDs. This allows the app to notify you if you have been exposed to a virus. You can also share your coronavirus diagnosis anonymously.
This update also makes it easier to bypass Face ID unlocking on your iPhone if you're wearing a mask. Since you must have a password that is created when you set up Face ID, the device will use this password to log in to the system.
π¦How to bypass Face ID while wearing a mask ?
Apple has enabled these features to work by default on the iPhone. This means that the machine recognizes you faster, regardless of whether you are wearing a mask or not. Prior to iOS 13.5, a failed face scan had to be performed a couple of times before a password could be entered.
The process was quite tedious, but now you can immediately swipe up the screen to unlock. When you do this, the iPhone automatically opens the lock screen where you can enter a passcode. If you are wearing a mask, lift the device as usual, gesture upward as you would when unlocking with Face ID. A password entry field will appear.
π¦How to turn off COVID-19 notifications on iOS :
As stated above, Apple and Google have teamed up to notify people that they have spoken with someone infected with the coronavirus. These notifications use a unique API. Applications of medical organizations can take advantage of it.
These applications do not contain personal information, but there may be people who want to disable them.
1) open iPhone Settings.
2) Scroll down and select "Privacy".
3) Click "Health".
4) Select COVID-19 Exposure Notifications.
5) Press the switch so that it is in the off position.
6) This feature can be useful these days. Apple should release the final version of iOS 13.5 soon and it will be available to everyone.
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π¦What is the Pokki virus?
Pokki is essentially not a virus, as it is just an adware that is legally installed on a PC only after the user's consent. Meanwhile, as a result of its installation, many intrusive ads appear, which are shown in the form of sudden pop-up browser windows, as well as new buttons on the "Toolbar" and "Taskbar" begin to appear.
Most virus scanners now identify "Pokki" as a program that poses a moderate threat to your computer. Unlike real viruses, which try to take your computer under full remote control in order to obtain important confidential information, adware simply annoys users with the constant appearance of various banners and links. However, the Pokki utility can also negatively affect the performance of your hardware, just like regular viruses.
π¦How does the Pokki virus work?
Pokki.com is actually a legitimate site that distributes an adware utility that can drastically change the look of the Windows Start menu, making it look like a mobile operating system.
Since this application is usually installed along with other software, you may not even notice that you are downloading it to your computer. In addition, this utility will subsequently constantly receive unknown automatic updates, downloading along with them alternative potentially dangerous programs (PUP). This usually leads to incorrect operation of the browser, in which many links to other malicious Internet resources appear.
At the same time, more and more anti-virus applications classify Pokki as an object that does not pose a serious threat to the PC. In summary, while the software in question does not harm your operating system or files, it can display potentially malicious content that increases the chances of an aggressive virus infecting your computer.
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π¦What is the Pokki virus?
Pokki is essentially not a virus, as it is just an adware that is legally installed on a PC only after the user's consent. Meanwhile, as a result of its installation, many intrusive ads appear, which are shown in the form of sudden pop-up browser windows, as well as new buttons on the "Toolbar" and "Taskbar" begin to appear.
Most virus scanners now identify "Pokki" as a program that poses a moderate threat to your computer. Unlike real viruses, which try to take your computer under full remote control in order to obtain important confidential information, adware simply annoys users with the constant appearance of various banners and links. However, the Pokki utility can also negatively affect the performance of your hardware, just like regular viruses.
π¦How does the Pokki virus work?
Pokki.com is actually a legitimate site that distributes an adware utility that can drastically change the look of the Windows Start menu, making it look like a mobile operating system.
Since this application is usually installed along with other software, you may not even notice that you are downloading it to your computer. In addition, this utility will subsequently constantly receive unknown automatic updates, downloading along with them alternative potentially dangerous programs (PUP). This usually leads to incorrect operation of the browser, in which many links to other malicious Internet resources appear.
At the same time, more and more anti-virus applications classify Pokki as an object that does not pose a serious threat to the PC. In summary, while the software in question does not harm your operating system or files, it can display potentially malicious content that increases the chances of an aggressive virus infecting your computer.
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π¦ How can I get rid of Pokki virus?
The most effective way to get rid of any tricky software on your computer is to use a strong anti-virus program that can solve a wide range of adware and virus-related issues. The system verification process, depending on the integrated hardware, can take a long time, but this is the best method to get rid of such programs.
In other cases, you can do the following manipulations to remove "Pokki":
Try to erase the Pokki virus manually by Pokki simply by deleting certain applications and files associated with it. Both Windows and macOS have built-in tools to centrally uninstall programs you no longer want to use.
If you suspect that the installation of the Pokki virus was the result of the activity of another malicious object, then try to delete it as well. However, in most cases, antivirus software is required to remove these types of infiltrations.
1) If the "Pokki" virus has begun to control your browser, then the first step is to remove suspicious add-ons and extensions from it.
2) If the problem is with a mobile device, then you may need to use other methods to remove the virus from Android.
3) If none of these tips helped solve the problem, then we recommend using System Restore to go back to an earlier backup point when you did not have the Pokki virus on your computer. In this case, be sure to select the time period in which you know for sure that the virus was absent in the system
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π¦ How can I get rid of Pokki virus?
The most effective way to get rid of any tricky software on your computer is to use a strong anti-virus program that can solve a wide range of adware and virus-related issues. The system verification process, depending on the integrated hardware, can take a long time, but this is the best method to get rid of such programs.
In other cases, you can do the following manipulations to remove "Pokki":
Try to erase the Pokki virus manually by Pokki simply by deleting certain applications and files associated with it. Both Windows and macOS have built-in tools to centrally uninstall programs you no longer want to use.
If you suspect that the installation of the Pokki virus was the result of the activity of another malicious object, then try to delete it as well. However, in most cases, antivirus software is required to remove these types of infiltrations.
1) If the "Pokki" virus has begun to control your browser, then the first step is to remove suspicious add-ons and extensions from it.
2) If the problem is with a mobile device, then you may need to use other methods to remove the virus from Android.
3) If none of these tips helped solve the problem, then we recommend using System Restore to go back to an earlier backup point when you did not have the Pokki virus on your computer. In this case, be sure to select the time period in which you know for sure that the virus was absent in the system
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π¦How to install Suricata intrusion detection system on Linux?
1) Install Suricata IDS on Linux
Might as well build Suricata from source code. You have to install a few required dependencies first, as shown below.
Install dependencies on Debian, Ubuntu or Linux Mint
$ sudo apt-get install wget build-essential libpcre3-dev libpcre3-dbg automake autoconf libtool libpcap-dev libnet1-dev libyaml-dev zlib1g-dev libcap-ng-dev libjansson-dev
2) install dependencies on CentOS, Fedora or RHEL
$ sudo yum install wget libpcap-devel libnet-devel pcre-devel gcc-c++ automake autoconf libtool make libyaml-devel zlib-devel file-devel jansson-devel nss-devel
3) Once you have installed all the necessary packages, you can now install Suricata , As shown below.
4) First, download the latest Suricata source code from http://suricata-ids.org/download/ and compile the code. As of this writing, the latest version is 2.0.8.
This is a sample output of the configuration.
5) Now compile and install it.
$ make
$ sudo make install
Suricata source code comes with default configuration files. May wish to install these default configuration files as shown below.
$ sudo make install-conf
As you know, Suricata is useless without the IDS rule set. Conveniently, the Makefile comes with IDS rules installation options. To install IDS rules, just run the following command.
$ sudo make install-rules The
above rule installation command will install the latest snapshot of the available community rule sets from EmergingThreats.net ( https://www.bro.org ) and store them under /etc/suricata/rules.
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π¦How to install Suricata intrusion detection system on Linux?
1) Install Suricata IDS on Linux
Might as well build Suricata from source code. You have to install a few required dependencies first, as shown below.
Install dependencies on Debian, Ubuntu or Linux Mint
$ sudo apt-get install wget build-essential libpcre3-dev libpcre3-dbg automake autoconf libtool libpcap-dev libnet1-dev libyaml-dev zlib1g-dev libcap-ng-dev libjansson-dev
2) install dependencies on CentOS, Fedora or RHEL
$ sudo yum install wget libpcap-devel libnet-devel pcre-devel gcc-c++ automake autoconf libtool make libyaml-devel zlib-devel file-devel jansson-devel nss-devel
3) Once you have installed all the necessary packages, you can now install Suricata , As shown below.
4) First, download the latest Suricata source code from http://suricata-ids.org/download/ and compile the code. As of this writing, the latest version is 2.0.8.
This is a sample output of the configuration.
5) Now compile and install it.
$ make
$ sudo make install
Suricata source code comes with default configuration files. May wish to install these default configuration files as shown below.
$ sudo make install-conf
As you know, Suricata is useless without the IDS rule set. Conveniently, the Makefile comes with IDS rules installation options. To install IDS rules, just run the following command.
$ sudo make install-rules The
above rule installation command will install the latest snapshot of the available community rule sets from EmergingThreats.net ( https://www.bro.org ) and store them under /etc/suricata/rules.
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π¦WANNACRY FOR BEGINERS :
WannaCry encrypts most or even all of the files on your computer. The software then displays a specific message on the computer screen asking for a $ 300 ransom to decrypt your files. The payment must be made to the Bitcoin wallet. If the user does not pay the ransom in 3 days, the amount is doubled to $ 600. After 7 days, the virus will delete all encrypted files and all your data will be lost.
Who is behind this or the origin of the virus
The exact origin of the virus has not yet been established. But our editor was able to find the 3 most basic versions.
1)Russian hackers
Yes, friends, how can you not bypass such a resonant virus without all your favorite "Russian hackers". The incident may be linked to recent warnings from the Shadow Brokers group to US President Donald Trump following his approved missile strikes in Syria.
2) US intelligence services
On May 15, Russian President Vladimir Putin called the US intelligence services the source of the virus and said that "Russia has absolutely nothing to do with it." Microsoft executives have also stated that the US intelligence services are the primary source of this virus.
3)Government of the DPRK
Representatives of the antivirus companies Symantec and Kaspersky Lab said that cybercriminals from the Lazarus Group were involved in cyber attacks using the WanaCrypt0r 2.0 virus, which hit thousands of computers in 150 countries .
DOWNLOAD : https://github.com/ytisf/theZoo/tree/master/malwares/Binaries/Ransomware.WannaCry
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π¦WANNACRY FOR BEGINERS :
WannaCry encrypts most or even all of the files on your computer. The software then displays a specific message on the computer screen asking for a $ 300 ransom to decrypt your files. The payment must be made to the Bitcoin wallet. If the user does not pay the ransom in 3 days, the amount is doubled to $ 600. After 7 days, the virus will delete all encrypted files and all your data will be lost.
Who is behind this or the origin of the virus
The exact origin of the virus has not yet been established. But our editor was able to find the 3 most basic versions.
1)Russian hackers
Yes, friends, how can you not bypass such a resonant virus without all your favorite "Russian hackers". The incident may be linked to recent warnings from the Shadow Brokers group to US President Donald Trump following his approved missile strikes in Syria.
2) US intelligence services
On May 15, Russian President Vladimir Putin called the US intelligence services the source of the virus and said that "Russia has absolutely nothing to do with it." Microsoft executives have also stated that the US intelligence services are the primary source of this virus.
3)Government of the DPRK
Representatives of the antivirus companies Symantec and Kaspersky Lab said that cybercriminals from the Lazarus Group were involved in cyber attacks using the WanaCrypt0r 2.0 virus, which hit thousands of computers in 150 countries .
DOWNLOAD : https://github.com/ytisf/theZoo/tree/master/malwares/Binaries/Ransomware.WannaCry
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π¦ computer file anti-leakage systems :
1) The computer file anti-leakage system based on C/S architecture usually installs the management terminal on a computer in the LAN, installs the client on the controlled computer in the LAN, and then actively connects to the client through the management terminal and sends the computer to the client File encryption instruction, the client computer file is encrypted to prevent leakage of computer files.
2) Aiming at the channel for computer file leakage, the current mainstream computer file anti-leakage system in China usually effectively controls the external computer equipment. It prevents the passage by prohibiting the computer USB port, disabling optical drive burning, and prohibiting Bluetooth and PCI devices. Such external devices leaked secrets.
3) For the leakage of network channels, similar computer file anti-leakage systems, on the one hand, set to prohibit computers from accessing the Internet, on the other hand, it encrypts external files to prevent files from being sent through mailboxes, network disks, chat software, and other network channels. The computer file was sent out and the secret was leaked.
4) Many traditional computer file anti-leakage systems use the clipboard of the HOOK client computer to prevent the copying of computer files. However, because many copying and cutting actions of third-party software do not need to be implemented through the clipboard, it directly leads to The failure of this control method.
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π¦ computer file anti-leakage systems :
1) The computer file anti-leakage system based on C/S architecture usually installs the management terminal on a computer in the LAN, installs the client on the controlled computer in the LAN, and then actively connects to the client through the management terminal and sends the computer to the client File encryption instruction, the client computer file is encrypted to prevent leakage of computer files.
2) Aiming at the channel for computer file leakage, the current mainstream computer file anti-leakage system in China usually effectively controls the external computer equipment. It prevents the passage by prohibiting the computer USB port, disabling optical drive burning, and prohibiting Bluetooth and PCI devices. Such external devices leaked secrets.
3) For the leakage of network channels, similar computer file anti-leakage systems, on the one hand, set to prohibit computers from accessing the Internet, on the other hand, it encrypts external files to prevent files from being sent through mailboxes, network disks, chat software, and other network channels. The computer file was sent out and the secret was leaked.
4) Many traditional computer file anti-leakage systems use the clipboard of the HOOK client computer to prevent the copying of computer files. However, because many copying and cutting actions of third-party software do not need to be implemented through the clipboard, it directly leads to The failure of this control method.
don't clone our tutorials
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