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21 de nov. de 2021 · Chrome is deprecating access to private network endpoints from non-secure websites as part of the Private Network Access specification. The aim is to protect users from cross-site request forgery (CSRF) attacks targeting routers and other devices on private networks.
- Overview
- Block a network request
- Delete a blocked network request
- Modify a blocked network request
- Toggle network request blocking
- Block a network request by using the Network tool
Use the Network request blocking tool to check how a webpage looks and behaves when some resources are unavailable, such as image files, JavaScript files, fonts, or CSS stylesheets. Use this tool to test blocking network requests to a specified URL pattern and see how a webpage behaves.
When a webpage depends on external resources that are hosted on other servers than the HTML webpage, sometimes those servers might be unresponsive or unavailable to some users. When this happens, some resources that your webpage depends on might not be retrieved by the web browser. It's important to check how your webpage behaves when external resources fail to load. Test whether the webpage handles missing resources gracefully, or appears broken to your users.
To block a network request:
1.Go to the webpage for which you want to block network requests. For example, open the accessibility-testing demo page in a new tab or window. This webpage contains images that you'll block using the Network request blocking tool.
2.To open DevTools, right-click the webpage, and then select Inspect. Or, press Ctrl+Shift+I (Windows, Linux) or Command+Option+I (macOS).
3.In DevTools, on the Activity Bar, click the Network request blocking tab. If that tab isn't visible, click the More Tools () button.
4.Click the Add pattern () button. The Enable network request blocking checkbox is automatically selected.
5.In the Text pattern to block matching requests text box, type *.jpg. This blocks all requests for JPEG images.
To delete a specific network blocking request pattern:
•In the Network request blocking table, hover over a network blocking request pattern, and then click the Remove () button:
To delete all network blocking requests at once:
•In the toolbar, click the Remove all patterns () button.
To change an existing blocked network request:
•In the Network request blocking table, hover over a blocked network request, and then click Edit ():
To toggle network request blocking without having to delete and re-create all of the blocked network requests:
•In the toolbar, select or clear the Enable network request blocking checkbox:
You can block network requests that are made by your webpage either by using the Network request blocking tool or by using the Network tool.
To block network requests by using the Network tool:
1.Go to the webpage for which you want to block network requests. For example, open the accessibility-testing demo page in a new tab or window.
2.To open DevTools, right-click the webpage, and then select Inspect. Or, press Ctrl+Shift+I (Windows, Linux) or Command+Option+I (macOS). DevTools opens.
3.In DevTools, on the Activity Bar, click the Network tab. If that tab isn't visible, click the More Tools () button.
4.In the table of network requests in the bottom pane, find the network request that you want to block.
9 de nov. de 2020 · Chrome 87 adds a flag that mandates public websites making requests to private network resources to be on HTTPS. You can go to about://flags#block-insecure-private-network-requests to enable it. With this flag turned on, any requests to a private network resource from an HTTP website will be blocked.
10 de fev. de 2022 · Blocking requests to private networks from insecure public websites starting in Chrome 94. Introducing a deprecation trial which will end in Chrome. It will allow developers to request a time extension for chosen origins, which will not be affected during the deprecation trial.
9 de fev. de 2022 · Goto Edge with below URL edge://flags/#block-insecure-private-network-requests. You can disable or enable from here and relaunch browser.
18 de mar. de 2024 · Starting with Chrome 124, you can test the enforcement using the following steps: Disable chrome://flags/#private-network-access-ignore-worker-errors. Enable chrome://flags/#private-network-access-respect-preflight-results. Extended protection: Navigation fetches.
23 de fev. de 2023 · Go to edge://flags/ (just type it inside of your search bar). After that, do a search for CORS and soon you'll be presented with Block insecure private network requests flag. All you have to do is to select disable and see if that helps.
