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RAG is the abbreviation of Retrieval-Augmented Generation, which can be translated as "retrieval enhanced generation" in Chinese.This is an artificial intelligence technology that combines information Retrieval and natural language Generation, and is used to build a more intelligent and accurate chat robot and question answering system.  In the RAG model, firstly, the information related to the user's query is retrieved from a large number of documents or data sources, and then the information is input into a generation model as context, and the generation model generates answers accordingly. The core idea of this method is to use external knowledge sources to enhance the answering ability of the model, so that it can provide more accurate, richer and more reliable information. RAG model usually includes the following key steps:  Document indexing: the documents in the knowledge base are divided into blocks, and vector embedding is calculated for each text block. Similarity retrieval: according to the user's input, retrieve the most similar text block. Context construction: combining the retrieved relevant text blocks with user input to construct context information. Answer generation: input the built context into a language generation model to generate the final answer. The advantage of RAG model is that it can combine the latest natural language processing technology and use the information provided by external data sources to generate more accurate and relevant content. This model is particularly useful when dealing with complex queries that require extensive background knowledge or data in specific fields. With the development of technology, RAG has become one of the important methods to build intelligent chat robots and question answering systems. SERP data has become an important data source for training and optimizing AI models because of its richness, real-time performance and high quality. To use SERP data and GPT-4o to create a RAG (retrieval-augmented generation) chat robot, you can refer to the following steps:  Prepare a collection of documents: First, you need to prepare or collect a collection of related documents, which will serve as the knowledge base of the chat robot. These documents can be data from search engine results page (SERP) or information from other sources.  Document processing: Use natural language processing (NLP) tools, such as spaCy or NLTK, to preprocess the document, including word segmentation, stop words removal and other steps.  Create Embedded Vector: Convert the processed document into an embedded vector. This is usually achieved by using NLP models, such as Sentence-BERT, in order to convert the text into a vector form for similarity comparison.  Store in vector database: store these vectors in a vector database, such as Faiss or Chroma, for efficient similarity search.  User interaction: when the user interacts with the chat robot, it receives the user's query or input and converts it into an embedded vector.  Semantic search in the vector database: Use the vector database for semantic search to find the document vector that is most similar to the user's query.  Retrieve and process responses: Obtain relevant documents, and process these documents through a large language model (such as GPT-4o) to generate answers. Generate Answer: Return the final output generated by the large-scale language model to the user as an answer.  Integration and deployment: Finally, integrate the chat bot into a user interface, such as using Streamlit to create a web interface, so that users can interact with the chat bot through web pages.  Testing and optimization: After the deployment of the chat bot, continuous testing and optimization are carried out to improve its performance and user experience. Through these steps, you can build a RAG chat robot that can understand and respond to human queries, which can provide informed and accurate responses and demonstrate the practical application of Generative AI.

Cloudflare is an American multinational technology company, which mainly provides website security and performance optimization services. It provides services such as content distribution network (CDN), distributed domain name resolution (DNS) and Web Application Firewall, WAF) for websites through its global distributed data centers (also called edge servers or CDN nodes). There are many ways to bypass Cloudflare, and each method has its own characteristics and applicable scenarios. Here are some main methods:  Use proxy: By using proxy server, you can hide your real IP address, thus reducing the possibility of being recognized as a crawler by Cloudflare. Agency services can be divided into free and paid services, and paid agents usually provide better stability and speed.  Modify the hosts file: by modifying the hosts file of the local computer, direct the domain name of the target website to its IP address, thus bypassing the DNS resolution of Cloudflare and directly accessing the original IP of the website.  Use VPN: Virtual private network (VPN) can encrypt your network traffic, forward requests through VPN server, and hide your real IP address, thus bypassing the detection of Cloudflare.  Set DNS: change the DNS settings of the local or router and use other DNS service providers to bypass the DNS resolution of Cloudflare.  Use Cloud Penetration API: Cloud Penetration API is a service that can help users bypass the robot verification of Cloudflare, including CAPTCHA verification, WAF, CC protection, etc. It provides HTTP API and proxy, and supports setting browser fingerprint device features such as Referer, browser UA and headless status.  Using browser simulation technology: By simulating the browser behavior of real users with tools such as Selenium or PhantomJS, the verification of Cloudflare can be bypassed. This method needs to simulate the normal access behavior of users, including setting appropriate access frequency and random delay.  Cracking the encryption of request parameters: Analyze the generation rules of Cloudflare verification parameters, and write codes to generate correct verification parameters, thus bypassing the verification of the 5-second shield. This method may involve high technical difficulty and legal risk. Use a Web Unlocker: A Web Unlocker is a service that handles all aspects of bypassing network security measures, including IP rotation, CAPTCHA resolution, and JavaScript challenges. It dynamically allocates requests by rotating IP address pool, and integrates advanced CAPTCHA solution technology.  Use Web Crawling API: Web Crawling API provides a simple way to extract data without dealing with the complexity of proxy and CAPTCHA solution. These APIs usually provide the tools and technical support needed to solve the security measures of Cloudflare.  Use ZenRows：ZenRows is a web crawling API that can bypass Cloudflare in Python with a single request. It simplifies the process of integrating the grabbing task into the workflow through its advanced anti-robot function and agent mode. Each method has its advantages and disadvantages, and the purpose, scale, budget and legal compliance of data collection need to be considered when choosing the appropriate method. When implementing any bypass measures, we should ensure compliance with relevant laws and regulations and respect the rights and interests of the target website.

In today’s digital landscape, the need for online privacy and security is more important than ever. One effective way to enhance your online anonymity is by setting up your own IP as a proxy server. This article will guide you through the process of turning your IP into a proxy server, explaining what a proxy server is, its benefits, and the step-by-step procedure to set it up.What is a Proxy Server?A proxy server acts as an intermediary between your device and the internet. When you connect to the internet through a proxy server, your requests are sent to the proxy, which then forwards them to the target server. The target server only sees the proxy’s IP address, not your actual IP address. This process helps in enhancing privacy, bypassing restrictions, and improving security.Benefits of Using a Proxy Server1. Enhanced Privacy: By masking your IP address, a proxy server helps protect your identity online.2. Bypass Geo-restrictions: Access content that may be blocked in your region by routing your traffic through a different location.3. Improved Security: Proxies can provide an additional layer of security by filtering harmful content and preventing direct access to your network.4. Traffic Control: Proxies can help manage bandwidth usage and improve network performance.Step-by-Step Guide to Setting Up Your IP as a Proxy ServerStep 1: Choose Your Operating SystemBefore you begin, determine which operating system you will be using. The steps to set up a proxy server can vary depending on whether you are using Windows, macOS, or Linux. This guide will cover the setup for Windows and Linux.Step 2: Install Required SoftwareTo set up a proxy server, you will need software that can facilitate this process. Some popular options include:- Squid: A widely used caching proxy server that supports various protocols.- ip2world: A user-friendly option for Windows users.For Windows Users:1. Download ip2world:- Visit the official ip2world website and download the installer.- Run the installer and follow the on-screen instructions to complete the installation.2. Configure ip2world:- Open ip2world after installation.- In the main interface, configure the port number (default is 808) and enable the necessary protocols (HTTP, HTTPS, FTP, etc.).- Set up user authentication if you want to restrict access to your proxy.For Linux Users:1. Install Squid:- Open the terminal and run the following command:```bashsudo apt-get install squid```2. Configure Squid:- Open the Squid configuration file:```bashsudo nano /etc/squid/squid.conf```- Modify the following settings:- HTTP Port: Change the default port if necessary (default is 3128).- Access Control Lists (ACLs): Define who can access your proxy. For example:```plaintextacl localnet src 192.168.1.0/24 Adjust based on your local networkhttp_access allow localnethttp_access deny all```- Save and exit the file.Step 3: Start the Proxy ServerFor Windows Users:- In ip2world, click on the “Start” button to activate the proxy server. You should see a notification indicating that the server is running.For Linux Users:- Start the Squid service using the following command:```bashsudo service squid start```Step 4: Configure Your FirewallTo allow traffic through your proxy server, you may need to configure your firewall settings.For Windows:1. Open the Control Panel and navigate to “Windows Defender Firewall.”2. Click on “Advanced settings.”3. Create a new inbound rule to allow traffic on the port you configured (e.g., 808 or 3128).For Linux:- Use the following command to allow traffic through the specified port:```bashsudo ufw allow 3128/tcp Replace 3128 with your configured port```Step 5: Test Your Proxy ServerTo ensure that your proxy server is working correctly, follow these steps:1. Open a web browser on a different device connected to the same network.2. Go to the network settings and configure the proxy settings:- For Windows: Go to Settings > Network & Internet > Proxy. Enable “Manual proxy setup” and enter your server’s IP address and port.- For macOS: Go to System Preferences > Network. Select your network, click on “Advanced,” then “Proxies.” Enter your server’s IP and port.3. Visit a website to check if your IP address matches the proxy server’s IP.Step 6: Maintain Your Proxy ServerOnce your proxy server is up and running, it’s essential to maintain it for optimal performance:1. Monitor Traffic: Keep an eye on the traffic to ensure that it’s not being abused. You can use tools like `vnStat` for monitoring.2. Regular Updates: Ensure that your proxy software is up-to-date to protect against vulnerabilities.3. Backup Configuration: Regularly back up your configuration files to prevent data loss.Setting up your IP as a proxy server can significantly enhance your online privacy and security. By following the steps outlined in this guide, you can easily create your own proxy server using either Windows or Linux. Remember to monitor and maintain your server to ensure it operates smoothly. With your own proxy server, you gain greater control over your online activities and can browse the internet with enhanced anonymity.

In today's digital age, privacy and security are paramount. Many users turn to tools like V2RayN to navigate the internet safely and anonymously. V2RayN, an Android application that acts as a proxy client, allows users to change their proxy IP easily. This article will guide you through the process of changing proxy IPs in V2RayN on Android, ensuring a seamless and secure browsing experience.What is V2RayN?V2RayN is an open-source project designed to provide users with a flexible and powerful way to bypass internet censorship and enhance online privacy. It utilizes the V2Ray core, which supports various protocols and configurations, making it a robust choice for users who need reliable proxy services. With V2RayN, users can connect to different servers worldwide, allowing them to access restricted content and maintain anonymity while browsing.Why Change Proxy IP?Changing your proxy IP can offer several benefits:1. Enhanced Privacy: By switching IP addresses, you can obscure your online activities, making it difficult for third parties to track your browsing habits.2. Access to Restricted Content: Some websites and services are geo-restricted. Changing your IP can allow you to access content that may not be available in your region.3. Improved Connection Speeds: Sometimes, a specific server may be overloaded. Changing your proxy IP can help you find a less congested server, improving your browsing speed.Step-by-Step Guide to Change Proxy IP in V2RayN for AndroidStep 1: Install V2RayNIf you haven’t already installed V2RayN on your Android device, follow these steps:1. Open the Google Play Store.2. Search for "V2RayN" and tap on the app.3. Click “Install” and wait for the application to download and install on your device.Step 2: Launch the ApplicationOnce the installation is complete, open the V2RayN app. You will be greeted with a user-friendly interface that allows you to manage your proxy settings easily.Step 3: Configure Your ServerBefore changing your proxy IP, you need to configure your server settings. Follow these instructions:1. Tap on the “Settings” icon (usually represented by a gear icon).2. Select “Server Settings” or “Add Server”.3. Enter the necessary information:- Address: The IP address of the server you want to connect to.- Port: The port number for the server.- User ID: If required, enter your user ID or authentication details.4. Save the configuration by tapping the “Save” button.Step 4: Change Proxy IPNow that your server is configured, you can easily switch between different proxy IPs:1. Go back to the main interface of the V2RayN app.2. Tap on the “Servers” option to view the list of available servers.3. Select the server you want to connect to. This will change your proxy IP to the one associated with the selected server.4. Once connected, you will see a notification indicating that you are now using the new proxy IP.Step 5: Verify Your New IP AddressTo ensure that your proxy IP has changed successfully, you can verify it by following these steps:1. Open your preferred web browser.2. Check the displayed IP address. It should match the IP of the server you just connected to.Step 6: Troubleshooting Connection IssuesIf you encounter issues while trying to connect to a new proxy IP, consider the following troubleshooting tips:1. Check Server Status: Ensure that the server you are trying to connect to is online and operational.2. Re-enter Configuration: Double-check the server address, port, and user ID for any errors.3. Restart the App: Sometimes, simply restarting the V2RayN app can resolve connection issues.4. Try a Different Server: If one server isn’t working, try connecting to another server from your list.Step 7: Regularly Update Your Server ListTo maintain optimal performance and security, it’s essential to regularly update your server list. Many users share free server configurations online, but ensure that they are reputable and trustworthy. You can also consider subscribing to a paid service for more reliable and faster connections.Changing your proxy IP in V2RayN for Android is a straightforward process that enhances your online privacy and access to content. You can easily switch between different servers and enjoy a secure browsing experience. Remember to verify your new IP address and troubleshoot any connection issues that may arise. With V2RayN, you can take control of your online presence and browse the internet with confidence.

PerimeterX is an advanced robot detection and mitigation platform, which identifies and blocks robot programs through various technologies, such as web crawler. It uses passive and active robot detection technology to minimize the impact on the user experience, while protecting the website from robot attacks. Here are some working principles and bypass methods of PerimeterX: IP filtering: PerimeterX has a large number of IP lists known to be used by robots, and can identify IP groups belonging to data centers, agents or VPN providers. It will assign a score or reputation to each IP that tries to visit a protected website, and if an IP has a bad reputation, it may be blocked.  Check HTTP request headers: Many robots use libraries or other non-browser proxies, and these proxies usually don't send some header information that typical browsers add to their requests. PerimeterX uses this to identify and stop robots.  Behavior analysis: PerimeterX uses machine learning algorithm for behavior analysis, and can identify robots according to their behaviors. For example, an IP that makes a lot of requests in a short time is usually identified as a robot.  Fingerprint and blacklist: PerimeterX uses TLS fingerprints and other technologies to identify visitors by combining behavior analysis or checking HTTP request headers, even if they use different IP. Once identified as a robot, it will be added to the blacklist.  The methods to bypass PerimeterX include: Using intelligent agents: Intelligent agents can imitate human-like behavior by rotating residential agents, randomizing user agents and simulating natural patterns, thus bypassing the robot detection system of PerimeterX X.  Use enhanced headless browser: Headless browser can simulate the behavior of human visitors, but it needs special configuration to avoid being detected by PerimeterX X.  Use API bypass: If the website provides API access, this may be a more reliable way to obtain data, because APIs are usually not protected by PerimeterX X.  Bypass PerimeterX verification code: You can continue to visit the website content by preventing the verification code from being triggered or solving the verification code that appears. Crawl Google cache: Google caches the pages of the website, and you can access these cached pages through Google search URL.  Reverse engineering PerimeterX JavaScript challenge: By analyzing and obfuscating PerimeterX JavaScript challenge, you can create custom bypass code to bypass detection. It should be noted that these methods may require certain technical knowledge and experience, and with the update of PerimeterX, these methods may need to be constantly adjusted. At the same time, the use of these methods may violate the terms of service, and the compliance and legal risks should be carefully considered.

To turn off the family filter of Yandex search engine, you first need to visit the search settings page of Yandex. According to the information provided, users can enter the setting page through the following direct link: yandex.com/tune/search. This is a user-friendly interface that allows users to adjust the filtering level of search engines according to their own needs.  In the "Filter search results" section, Yandex provides three different filtering options to meet the needs of different users:  No filter: This option allows users to access all search results without restricting any content. Modem filter: This option will filter out some adult content, but it will not completely exclude it. "Family mode": This option is the strictest filtering setting, and aims to provide a safe and adult-free search environment for home users. Users should select the "No Filter" option if they want to turn off the home filter. This step is the key, because it will remove all restrictions on search results and allow users to access a wider range of information resources.  After selecting the "No Filter" option, users need to click the "Save" button on the page to confirm the settings. This step ensures that the user's changes are recorded by the Yandex search engine and take effect.  After turning off the home filter, users will be able to search all content, including adult content. Therefore, users are advised to take extra precautions when surfing the Internet without a home filter, such as installing network security software and avoiding clicking on unknown links, so as to ensure network security and personal privacy protection. After turning off Yandex's home filter, users will face more network security risks. Therefore, users are advised to take the following measures:  Install and update anti-virus software to prevent malicious software. Use a firewall to monitor and control the network traffic in and out of the computer. Update the operating system and browser regularly to fix known security vulnerabilities. Turning off the home filter of Yandex search engine is a simple process, which involves visiting the search settings page of Yandex, selecting the appropriate filtering options, and saving the changes. Through this process, users can adjust the filtering level of search engines according to their own needs, thus obtaining different search experiences.

In today's interconnected world, understanding how to manage your network settings is essential for maintaining privacy and security. One critical aspect of this is knowing whether your computer is using a proxy server and how to find the IP address of that server. This article will guide you through the steps to check your computer’s proxy server IP address, whether you are using Windows or macOS.What is a Proxy Server?Before diving into the steps, it’s essential to understand what a proxy server is. A proxy server acts as an intermediary between your computer and the internet. When you use a proxy, your requests to access websites go through the proxy server first. This can provide various benefits, including enhanced security, anonymity, and the ability to bypass geographic restrictions on content.Why Check Your Proxy Server IP Address?Knowing your proxy server’s IP address can be beneficial for several reasons:1. Troubleshooting Connectivity Issues: If you are experiencing connectivity problems, knowing the proxy IP can help diagnose whether the proxy is the cause.2. Security Monitoring: Understanding which proxy you are using can help you monitor for any unauthorized access or suspicious activity.3. Configuration for Applications: Some applications may require you to enter the proxy settings manually. Knowing the IP address is crucial for proper configuration.4. Enhanced Privacy: By knowing your proxy settings, you can better manage your online privacy and security.Checking Proxy Server IP Address on WindowsIf you are using a Windows operating system, follow these steps to check your proxy server IP address:Method 1: Using Windows Settings1. Open Settings: Click on the Start menu and select the gear icon to open the Settings window.2. Network & Internet: In the Settings window, click on “Network & Internet.”3. Proxy: In the left-hand menu, scroll down and click on “Proxy.” Here, you will see the proxy settings.4. Automatic Proxy Setup: If you are using an automatic proxy setup, you may see a URL under “Automatically detect settings.” This URL typically points to a configuration file that provides the necessary proxy settings.5. Manual Proxy Setup: If you are using a manual proxy setup, you will see the IP address and port number listed under “Manual proxy setup.” The IP address will be in the format of four sets of numbers (e.g., 192.168.1.1).Method 2: Using Command Prompt1. Open Command Prompt: Press `Windows + R` to open the Run dialog. Type `cmd` and press Enter.2. Enter Command: Type the following command and press Enter:```netsh winhttp show proxy```3. View Proxy Settings: The output will display the current proxy settings, including the proxy server IP address and port.Checking Proxy Server IP Address on macOSIf you are using macOS, follow these steps to check your proxy server IP address:Method 1: Using System Preferences1. Open System Preferences: Click on the Apple logo in the top-left corner of your screen and select “System Preferences.”2. Network: In the System Preferences window, click on “Network.”3. Select Network Connection: Select the network connection you are using (Wi-Fi or Ethernet) from the left sidebar.4. Advanced Settings: Click on the “Advanced” button located in the bottom right corner.5. Proxies Tab: In the new window, click on the “Proxies” tab. Here, you will see various proxy settings.6. Check Proxy Settings: If any proxies are enabled, you will see the proxy server IP address and port number listed in the appropriate fields.Method 2: Using Terminal1. Open Terminal: Go to Applications > Utilities > Terminal.2. Enter Command: Type the following command and press Enter:```networksetup -getwebproxy Wi-Fi```Replace “Wi-Fi” with “Ethernet” if you are using a wired connection.3. View Proxy Settings: The output will display the proxy server IP address and port number if a web proxy is set.Additional Methods to Check Proxy IP AddressUsing Online ToolsIf you want to check your public IP address as seen by websites, you can use online tools. These tools can also indicate if you are using a proxy. Here’s how:1. Visit an IP Checker Website: Go to a website like WhatIsMyIP or IPChicken.2. View Your IP Address: The site will display your public IP address. If you are using a proxy, it may show the proxy’s IP address instead of your actual one.Using Browser SettingsMost web browsers have built-in settings to manage proxy configurations. Here’s how to check in popular browsers:Google Chrome1. Open Chrome: Launch the Google Chrome browser.2. Settings: Click on the three-dot menu in the top-right corner and select “Settings.”3. Advanced Settings: Scroll down and click on “Advanced.”4. System: Under the “System” section, click on “Open your computer’s proxy settings.” This will take you to the relevant settings based on your operating system.Mozilla Firefox1. Open Firefox: Launch the Firefox browser.2. Options: Click on the three horizontal lines in the top-right corner and select “Options.”3. Network Settings: Scroll down to the “Network Settings” section and click on “Settings.”4. View Proxy Settings: Here, you can view your proxy settings, including the IP address if configured.Knowing how to check your computer’s proxy server IP address is vital for effective network management and security. Whether you are using Windows or macOS, the steps outlined above will help you locate the necessary information quickly. Regularly checking your proxy settings can enhance your online privacy and ensure that your internet connection is secure. By understanding these settings, you empower yourself to take control of your digital environment and protect your personal information from potential threats.

In today’s digital age, cybersecurity has become a paramount concern for individuals and organizations alike. One of the more sophisticated methods that hackers employ to compromise systems is through the use of proxy IPs. If you find yourself facing an attack from a hacker using proxy IPs, it’s crucial to understand the situation and take appropriate actions to safeguard your computer and personal data. This article will guide you through the steps to take if you suspect that your computer is under attack.Understanding Proxy IPsBefore delving into the countermeasures, it's essential to comprehend what proxy IPs are. A proxy server acts as an intermediary between your computer and the internet. When a hacker uses a proxy IP, they can mask their actual IP address, making it difficult to trace their activities back to them. This anonymity allows hackers to launch attacks without revealing their identity, complicating the efforts of cybersecurity professionals trying to mitigate the threat.Signs of an AttackRecognizing the signs of a potential attack is the first step in addressing the issue. Here are some common indicators that your computer may be under attack:1. Unusual Network Activity: If you notice a sudden spike in network traffic or unusual data usage, it could be a sign of an ongoing attack.2. Slow Performance: A significant slowdown in your computer’s performance, especially during internet usage, may indicate that malicious software is running in the background.3. Unauthorized Access: If you receive notifications of login attempts from unfamiliar locations or devices, it’s crucial to investigate further.4. Frequent Crashes: Regular crashes or unexpected shutdowns can be a sign of malware or other malicious activities.5. Antivirus Alerts: If your antivirus software detects threats or unusual behavior, heed these warnings and take immediate action.Immediate Actions to TakeIf you suspect that a hacker is using proxy IPs to attack your computer, follow these immediate steps:1. Disconnect from the InternetThe first action to take is to disconnect your computer from the internet. This will help prevent further data breaches and stop any ongoing attacks from progressing. You can do this by turning off your Wi-Fi or unplugging the Ethernet cable.2. Run a Full Antivirus ScanOnce disconnected, run a comprehensive antivirus scan on your system. Ensure that your antivirus software is up to date, as newer threats may not be recognized by outdated databases. If any threats are detected, follow the software's recommendations to quarantine or remove the malicious files.3. Change Your PasswordsWhile disconnected, change the passwords for your online accounts, especially for sensitive accounts such as banking, email, and social media. Use strong, unique passwords for each account and consider enabling two-factor authentication (2FA) for added security.4. Check for Unauthorized SoftwareReview the installed programs on your computer. Look for any unfamiliar applications that you did not install. If you find any, research them to determine if they are legitimate or potentially harmful. Uninstall any suspicious software immediately.5. Monitor Your NetworkAfter taking immediate actions, reconnect to the internet and monitor your network traffic. Use network monitoring tools to identify any unusual activities. This can help you detect if the hacker is still attempting to access your system.Long-Term Strategies for ProtectionOnce you have addressed the immediate threat, it’s essential to implement long-term strategies to protect your computer from future attacks.1. Keep Software UpdatedRegularly update your operating system and all installed software. Software updates often include patches for security vulnerabilities that hackers may exploit.2. Use a FirewallEnable a firewall on your computer to help block unauthorized access. A firewall acts as a barrier between your computer and potential threats from the internet.3. Educate Yourself on Phishing ScamsMany attacks begin with phishing emails or messages. Educate yourself on how to recognize phishing attempts and avoid clicking on suspicious links or downloading unknown attachments.4. Secure Your Wi-Fi NetworkEnsure that your home Wi-Fi network is secure. Change the default router password, use WPA3 encryption, and hide your network SSID to make it less visible to potential attackers.5. Regular BackupsRegularly back up your data to an external hard drive or a secure cloud service. This ensures that you can restore your information in case of a successful attack.6. Consider Professional HelpIf you continue to experience issues or feel overwhelmed by the situation, consider seeking help from cybersecurity professionals. They can conduct a thorough analysis of your system and provide tailored solutions to enhance your security.Facing an attack from a hacker using proxy IPs can be a daunting experience. However, by understanding the signs of an attack and taking immediate action, you can mitigate the damage and protect your computer. Implementing long-term security strategies will further safeguard your digital life from future threats. Remember, cybersecurity is an ongoing process, and staying informed and vigilant is your best defense against cybercriminals.

When grabbing product information, choosing static proxy or rotating proxy (also called dynamic proxy or proxy rotation) depends on your specific needs and the anti-crawler strategy of the target website.  A static proxy means that the same proxy server is used throughout the session or task. This method is simple and easy to use, but once the proxy server is blocked by the target website, the whole session may be affected. Static proxy is more suitable for those who are not strict with the anti-crawling measures of the target website, or you just want to do some simple data grabbing tasks quickly.  Rotating proxy involves using multiple different proxy servers during the session, which can reduce the risk of being detected by the target website, because your request seems to come from different geographical locations and IP addresses. This approach is more complicated, requires managing a pool of proxys, and may require additional logic to handle the rotation of proxys. Rotating proxy is suitable for situations that need long-term running, large-scale crawling or the target website has strict anti-crawling measures. According to the search results, here are some suggestions for choosing an proxy:  The data center proxy is fast and has high performance, which is suitable for tasks that need to send a lot of requests and are not too worried about IP being blocked, but IP is easy to be detected and blacklisted.  Residential proxys use real residential IP, which is more difficult to detect. It is suitable for crawling activities that require high success rate and anonymity, but it is usually more expensive than data center proxys. The mobile proxy uses the IP address assigned by the mobile network operator to the mobile device, which is suitable for use when a special mobile network is needed to grab the results, but the price is usually more expensive.  When choosing an proxy, you should also consider the following factors:  Anti-crawler strategy of target website: If the target website has strict anti-crawler measures, rotating proxy may be a better choice. Project budget: Rotating proxy is usually more expensive than static proxy because it requires more proxy servers and more complicated management.  Scale and duration of data capture: For large-scale or long-term capture projects, rotating proxy may be more suitable because it can reduce the risk of IP being blocked.  Quality and reliability of proxy: No matter which type of proxy is selected, it is necessary to ensure the stability and speed of proxy server so as not to affect the crawling efficiency. Generally speaking, if your crawling task requires high anonymity and low risk of blocking, rotating proxy is a better choice. If your requirements are simple and the anti-crawling measures of the target website are not strict, a static proxy may be enough.

HTTPX and AIOHTTP are popular libraries in Python for sending HTTP requests. They both support asynchronous operations, but each has its own characteristics and applicable scenarios.  HTTPX is a modern HTTP client library, which not only supports asynchronous requests, but also supports synchronous requests, which makes it very similar to Python's Requests library, but provides more modern features, such as HTTP/2 support and asynchronous programming capabilities. HTTPX's API design is simple, modern and easy to use, especially for those developers who are already familiar with the requests library. In addition, HTTPX also supports streaming response, TLS support, custom headers and authentication, and JSON/XML serialization. AIOHTTP is an asynchronous HTTP client/server framework, which provides non-blocking I/O operation by using asyncio module, and is very suitable for applications that need to handle a large number of concurrent connections. AIOHTTP was built for asynchronous operation from the beginning, and it does not support synchronous programming. This library can be used not only as a client, but also as a server, supporting middleware, signaling and custom routing, which is very suitable for writing small and extensible Web servers.  In terms of performance, AIOHTTP performs better in handling a large number of requests. For example, in the test of sending 1000 asynchronous requests, AIOHTTP is about 6.43 seconds faster than HTTPX. However, for a small number of requests, there is little difference in performance between them.  Which library to choose depends on your specific needs. If you need a library that supports synchronous and asynchronous operations and want to have a concise and modern API, then HTTPX may be a better choice. If your project needs to handle a large number of concurrent requests, and you only need asynchronous operations, then AIOHTTP may be more suitable for your needs.