IP | Country | PORT | ADDED |
---|---|---|---|
50.221.230.186 | us | 80 | 21 minutes ago |
80.228.235.6 | de | 80 | 21 minutes ago |
50.217.226.40 | us | 80 | 21 minutes ago |
50.55.52.50 | us | 80 | 21 minutes ago |
194.219.134.234 | gr | 80 | 21 minutes ago |
50.217.226.47 | us | 80 | 21 minutes ago |
195.23.57.78 | pt | 80 | 21 minutes ago |
50.149.15.47 | us | 80 | 21 minutes ago |
50.219.249.62 | us | 80 | 21 minutes ago |
62.99.138.162 | at | 80 | 21 minutes ago |
50.174.7.152 | us | 80 | 21 minutes ago |
41.207.187.178 | tg | 80 | 21 minutes ago |
50.174.7.153 | us | 80 | 21 minutes ago |
50.174.7.154 | us | 80 | 21 minutes ago |
50.122.86.118 | us | 80 | 21 minutes ago |
213.157.6.50 | de | 80 | 21 minutes ago |
50.169.37.50 | us | 80 | 21 minutes ago |
50.217.226.42 | us | 80 | 21 minutes ago |
50.202.75.26 | us | 80 | 21 minutes ago |
50.174.7.157 | us | 80 | 21 minutes ago |
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The main task of these two popular technologies is to provide security for the Internet user. Despite a certain similarity of tasks, they are performed absolutely differently. Proxy, although it allows you to remain anonymous and bypass blocked sites, it is still quite vulnerable, especially when it comes to untested services. VPN in this regard looks preferable, because thanks to end-to-end encryption it reliably protects information from the entry point to the exit point.
In the settings bar (home screen), select "Network Settings" and then click on Ethernet. Here you should select the "Advanced Settings" option, which contains the "Proxy Server Settings" item. To further configure the proxy, select "Configure Manually", type in the proxy hostname and specify the port. Do not forget to list the domains that the proxy server should not use. You should leave this field empty if it does not exist. If the configuration process is successful, you will see the "Settings saved" notification.
Distributing scraping correctly involves implementing techniques to handle rate limiting, avoid overloading servers, and ensuring your scraping activities are respectful and compliant with the website's terms of service. If you're encountering 503 errors (Service Unavailable), it likely indicates that the server is overwhelmed or intentionally blocking excessive requests. Here are some strategies to address this issue:
Add Delays Between Requests:
puppeteer
(for headless browser scraping) or p-queue
to manage the rate of your requests.Randomize Delays:
Use Proxies:
Implement User Agents:
Respect robots.txt
:
robots.txt
file of the website to understand which parts of the site are off-limits for scraping.robots.txt
.Session Management:
Handle Captchas:
Error Handling:
Reduce Concurrent Requests:
p-queue
to control concurrency.Monitor and Adjust:
Remember, it's essential to respect the website's terms of service and not engage in aggressive scraping practices that could negatively impact the site. If you continue to encounter issues, consider reaching out to the website's administrators to seek permission or explore alternative data sources or APIs if available.
CefSharp is a .NET wrapper for the Chromium Embedded Framework (CEF) that allows you to embed a Chromium browser in your .NET applications. While CefSharp doesn't have a direct replacement for Selenium functions, you can use its own methods to interact with the browser and perform similar actions.
To find elements using XPath in CefSharp, you can use the GetElementById(), GetElementsByClassName(), GetElementsByTagName(), and GetElementsByAttribute() methods provided by the CEFBrowser and CefV8Handler classes.
Here's an example of how you can find elements using XPath in CefSharp:
First, install the CefSharp NuGet package in your project:
Install-Package CefSharp.Minimal
Use the following code to create a CefSharp browser and load a webpage:
using CefSharp.WinForms;
using System;
using System.Drawing;
using System.Windows.Forms;
namespace CefSharpExample
{
public class Program
{
[STAThread]
public static void Main(string[] args)
{
CefSettings settings = new CefSettings();
settings.BrowserSubprocessPath = "path/to/cef/browser_win32_x64.exe";
settings.CefCommandLineArgs.Add("--disable-gpu");
settings.CefCommandLineArgs.Add("--headless");
Cef.Initialize(settings);
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
using (Form mainForm = new Form())
{
ChromiumWebBrowser browser = new ChromiumWebBrowser("https://www.example.com");
mainForm.Controls.Add(browser);
mainForm.Show();
// Wait for the browser to initialize
Application.DoEvents();
// Load the JavaScript needed to interact with the browser
browser.EvaluateScriptAsync("document.body.style.behavior = 'url(#default#homepage)'; document.body.style.expression = 'ieUseLinkHover=true';");
// Wait for the page to load
Application.DoEvents();
// Add event handlers for navigation, loading, and error events
browser.LoadingStateChanged += (sender, args) => { };
browser.NavigationStateChanged += (sender, args) => { };
browser.ErrorOccurred += (sender, args) => { };
// Perform actions on the webpage using the browser object
// ...
// Close the browser when done
browser.Dispose();
}
Cef.Shutdown();
}
}
}
To find elements using XPath, you can use the CefV8Handler class to execute JavaScript code that locates elements based on the XPath expression. Here's an example of how to find elements using XPath:
using System;
using CefSharp.WinForms;
namespace CefSharpXPathExample
{
public class Program
{
[STAThread]
public static void Main(string[] args)
{
CefSettings settings = new CefSettings();
settings.BrowserSubprocessPath = "path/to/cef/browser_win32_x64.exe";
settings.CefCommandLineArgs.Add("--disable-gpu");
settings.CefCommandLineArgs.Add("--headless");
Cef.Initialize(settings);
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
using (Form mainForm = new Form())
{
ChromiumWebBrowser browser = new ChromiumWebBrowser("https://www.example.com");
mainForm.Controls.Add(browser);
mainForm.Show();
// Wait for the browser to initialize
Application.DoEvents();
// Load the JavaScript needed to interact with the browser
browser.EvaluateScriptAsync("document.body.style.behavior = 'url(#default#homepage)'; document.body.style.expression = 'ieUseLinkHover=true';");
// Wait for the page to load
Application.DoEvents();
// Execute JavaScript code to find elements using XPath
browser.ExecuteScriptAsync("var xpath = arguments[0];" +
"var result = document.evaluate(xpath, document, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null);" +
"return result.singleNodeValue;", "//*[@id='element-id']");
// Perform actions on the webpage using the browser object
// ...
// Close the browser when done
browser.Dispose();
}
Cef.Shutdown();
}
}
}
In this example, we use the ExecuteScriptAsync() method to execute JavaScript code that finds elements using the provided XPath expression. The JavaScript code uses the document.evaluate() method to find the first matched node based on the provided XPath expression.
Keep in mind that the CefSharp library is actively maintained and provides a wide range of features for interacting with the browser. You can find more information and examples in the CefSharp GitHub repository.
The basic configuration is written in nginx.conf file in the program directory. You need to create a server article and specify there the port number and the place for cached data. Thus, for example, by using port 8080 you may organize a local proxy to test your own sites.
What else…