Detectportal firefox com как отключить

How to enable or disable Firefox Network Captive Portal Service

If you want to enable or disable Firefox Network Captive Portal Service, here is how you can do that. Although it keeps you from getting an error screen while connecting to a public Wi-Fi network, you can turn this feature off if you have a home computer with no log-on requirements to the Wi-Fi network. For that, you do not need a third-party app since you can do that with the help of in-built options.

What is the Network capture portal service in Firefox?

When you connect your computer to a public Wi-Fi network, such as at a coffee shop, shopping mall, or any other place, Firefox tries to verify the connection first. It uses detectportal.firefox.com to check if you need to log on to the Wi-Fi network or not. If yes, it redirects you to the log-on screen. All these things are called Network capture portal services in the Firefox browser.

It is important when you often use public Wi-Fi networks. However, if you use your computer on your home Wi-Fi network, which doesn’t require any such thing, you can undoubtedly disable this feature in the Firefox browser. By doing so, you may be able to save a few seconds when connecting to the internet via the Mozilla Firefox browser.

How to enable or disable Firefox Network Captive Portal Service

1. Enter about:config in the address bar.
2. Click on the Accept the Risk and Continue button.
3. Search for network.captive-portal-service.enabled.
4. Double-click on it to set the value as false.
5. Search for network.connectivity-service.enabled.
6. Double-click on it to set the value as false.

To learn more about these steps, continue reading.

First, you need to open the Firefox browser, and enter about:config in the address bar. It should display a warning message. If so, you need to click on the Accept the Risk and Continue button.

Then, search for network.captive-portal-service.enabled setting. By default, it should be set to true. You need to double-click on it to set the Value as false.

Similarly, find the network.connectivity-service.enabled setting and double-click on it to set the value as false.

Once done, Firefox won’t be able to check for log-on requirements when connecting to a public Wi-Fi network.

Firefox captive portal not working

• Open the Firefox browser and enter about:config in the address bar.
• Accept the terms and conditions.
• Search for the network.captive-portal-service.enabled setting.
• Double-click on it to make it true.
• Find the network.connectivity-service.enabled setting.
• Double-click on it to make it true.

Then, you might need to restart the Firefox browser to get the captive portal working again in the browser.

How do I disable captive portal detection in Firefox?

To disable the captive portal detection in Firefox browser, you need to follow the above-mentioned steps. That said, you need to open the about:config page first in the Firefox browser. Then, find the network.captive-portal-service.enabled service. If it is set to true, you need to double-click on it to set it as false. Similarly, you need to find the network.connectivity-service.enabled service and set it as false.

What is captive portal used for?

The main purpose of the captive portal can be comprehended in two different ways. It allows users to get the log-on screen when they are connected to a public Wi-Fi network. On the other hand, business owners can show you some messages along with a log-in screen in order to let you access their Wi-Fi network. That is why it is mainly used in public places instead of at home.

That’s all! Hope this guide helped.

Read:

Published on April 23, 2022 Tags: Firefox

Related Posts

How to restore or backup Firefox Bookmarks or Profile on Windows PC

Firefox is being updated by another instance

Web page not loading or displaying correctly in Firefox

[email protected]

When he is not writing about Microsoft Windows or Office, Sudip likes to work with Photoshop. He has managed the front end and back end of many websites over the years. He is currently pursuing his Bachelor’s degree.

Detectportal firefox com как отключить

Let me start off by saying that I'm just a lowly end user/civilian and not a network engineer! Happy to be redirected to another sub that might be more appropriate for assistance as I understand this isn't exactly a Firefox issue.

I'm currently experiencing the issues hypothesized by this year+ old bug report on Firefox across three different computers on my home network (pretty plain vanilla Linksys Velop installation):

While this bugzilla report contemplates an ISP level issue, I would assume Comcast is not acting nefariously, and that instead my network is compromised. The undoubtedly malicious "success.txt" file instead directs me to page that reads:

"Install this app, to have the latest information and instructions about coronavirus (COVID-19).
World Health Organization. Part of the U.N. Sustainable Development Group."

with a link to an exe that is hosted by BitBucket (the href text reads "google.com/chrome ", but viewing the page source exposes the true URL).

I can easily turn off the captive portal check on firefox, but that's not going to solve the underlying issue.

Disable Firefox Captive Portal and Connection to detectportal.firefox.com

When you launch Firefox, the browser immediately establishes a new connection to detectportal.firefox.com . This behavior is caused by Captive Portal, a special feature of Firefox. Here’s what is Captive Portal, and how to disable it. Disabling Captive Portal will stop Firefox from connecting to detectportal.firefox.com .

Firefox is a popular web browser with its own rendering engine, which is very rare in the Chromium-based browser world. Since 2017, Firefox has the Quantum engine which comes with a refined user interface, codenamed «Photon». The browser doesn’t include support for XUL-based add-ons any more, so all of the classic add-ons are deprecated and incompatible. See Must have add-ons for Firefox Quantum.

Thanks to the changes made to the engine and the UI, the browser is amazingly fast. The user interface of Firefox became more responsive and it also starts up noticeably faster. The engine renders web pages much faster than it ever did in the Gecko era.

The latest version as of today is Firefox 74, check out its change log here.

Captive Portal

Captive Portal in Firefox is a feature that helps the browser to detect if your connection is limited and requires an extra authorization. This is common for hotel wi-fi networks and some other network providers. When the browser is trying to establish a connection to a web site, if it is not authorized via the Captive Portal, the connection is aborted. This means that the browser, or any other app that requires an Internet connection, cannot load the requested web page. The browser establishes connections to the detectportal.firefox.com web site to show an authorization page.

If you use Firefox on your home PC, you may want to disable the captive portal detection feature, and block connection attempts to detectportal.firefox.com​ .

To Disable Firefox Captive Portal and Connection to detectportal.firefox.com

1. Open Firefox
2. Type about:config into the address bar.
3. Confirm that you will be careful if you see the warning page.
4. Type network. captive-portal-service. enabled in the search box.
5. Double-click anywhere on the network.captive-portal-service.enabled line in the list of options to set it to false .

Note: A value data of True is the default value, means the connection to detectportal.firefox.com​ will be established every time you start Firefox. Also, some users report that Firefox VPN doesn’t work properly with network.captive-portal-service.enabled set to false. If you are a Firefox VPN service user, please drop us a comment if changing the option affects the feature.

Tip: In About:Config , you can also set Update captivedetect.canonicalURL to an empty string. You can also add the detectportal.firefox.com domain to your hosts file pointing to 127.0.0.1 . This will block the connection.

Finally, there are some more domains you may want to add to the hosts file. They are also serve for internal Firefox needs, e.g. for collecting stats and telemetry. They are not required for regular browsing tasks and receiving browser updates. Here is the list:

Articles of interest:

Winaero greatly relies on your support. You can help the site keep bringing you interesting and useful content and software by using these options:

If you like this article, please share it using the buttons below. It won’t take a lot from you, but it will help us grow. Thanks for your support!

Author: Sergey Tkachenko

Sergey Tkachenko is a software developer who started Winaero back in 2011. On this blog, Sergey is writing about everything connected to Microsoft, Windows and popular software. Follow him on Telegram, Twitter, and YouTube. View all posts by Sergey Tkachenko

How to stop Firefox from making automatic connections

Some people are concerned about the connections Firefox makes to the Internet, especially when those connections are made for no apparent reason (see Mozilla’s Firefox Browser Privacy Notice for additional information). This article explains various reasons why Firefox may make a connection to the Internet and how you can stop it from doing so, if you wish.

Table of Contents

Automatic updates and Security

Auto-update checking

Firefox occasionally checks to see if any updates are available for itself and for your search engines. The ability to disable Firefox update checking was removed in Firefox 63. Advanced users and IT administrators can use a policy to disable Firefox update checks. See Managing Firefox Updates.

Firefox also checks to see if any updates are available for your add-ons (extensions, themes). To disable this check:

1. Click the menu button , click Add-ons and themes and select Extensions .
2. At the top of the tab, click the Tools for all add-onsmenu, uncheck Update Add-ons Automatically and then select Reset All Add-ons to Update Automatically.

Blocklist updating

Firefox may be updating its blocklist, which is used to block malicious extensions, vulnerable plugins, revoked certificates and graphics drivers known to cause crashes. For more information, see Add-ons Blocking Process (Firefox Extension Workshop), Blocklisting/Graphics (MozillaWiki), Revoking Intermediate Certificates: Introducing OneCRL (Mozilla Security Blog) and the Add-ons that cause stability or security issues are put on a blocklist article. To disable this feature:

1. Type about:config in the address bar and press Enter Return .
   A warning page may appear. Click Accept the Risk and Continue to go to the about:config page.
2. In the about:config page, search for the preference extensions.blocklist.enabled .
3. Observe the Value column of the extensions.blocklist.enabled row.
   • If it is set to false then do nothing.
   • If it is set to true , double-click it to set it to false .

Anti-phishing and malware protection lists updating

1. In the Menu bar at the top of the screen, click Firefox and select Preferences . Click the menu button and select Settings .
2. Select the Privacy & Security panel.
3. Uncheck Block dangerous and deceptive content.

In addition, when you download an application file, Firefox will verify its signature. If it is signed, Firefox then compares the signature with a list of known safe publishers. For files that are not identified by the lists as “safe” (allowed) or as “malware” (blocked), Firefox asks Google’s Safe Browsing service if the software is safe by sending it some of the download’s metadata. To turn off this part of malware protection:

1. Type about:config in the address bar and press Enter Return .
   A warning page may appear. Click Accept the Risk and Continue to go to the about:config page.
2. In the about:config page, search for the preference browser.safebrowsing.downloads.remote.enabled .
3. Observe the Value column of the browser.safebrowsing.downloads.remote.enabled row.
   • If it is set to false then do nothing.
   • If it is set to true then double-click it to set it to false .

Tracking protection list updating

The tracking protection list may be updating itself. To turn this off:

1. In the Menu bar at the top of the screen, click Firefox and select Preferences . Click the menu button and select Settings .
2. Select the Privacy & Security panel.
3. Under Enhanced Tracking Protection, choose the Custom setting.
4. Uncheck Tracking content.

Secure website certificates

When you visit a secure website (i.e. “https”), Firefox will validate the website’s certificate. This may involve communicating with a third-party status provider specified by the certificate over a protocol named OCSP to confirm that the certificate is still valid. To turn this off:

1. In the Menu bar at the top of the screen, click Firefox and select Preferences . Click the menu button and select Settings .
2. Select the Privacy & Security panel.
3. In the Security section under Certificates, uncheck Query OCSP responder servers to confirm the current validity of certificates.

Login breach information

Firefox Monitor warns you if your online accounts were involved in a known data breach. For more information, see Firefox Password Manager — Alerts for breached websites.

To get the latest login breach information and more, Firefox connects to firefox.settings.services.mozilla.com

Prefetching

Link prefetching

Firefox will prefetch certain links if any of the websites you are viewing uses the special prefetch-link tag. For more information, please see the Link Prefetching FAQ. To disable Link prefetching:

1. Type about:config in the address bar and press Enter Return .
   A warning page may appear. Click Accept the Risk and Continue to go to the about:config page.
2. In the about:config page, search for the preference network.prefetch-next .
3. Observe the Value column of the network.prefetch-next row.
   • If it is set to false then do nothing.
   • If it is set to true , double-click it to set it to false .

DNS prefetching

In order to reduce latency, Firefox will proactively perform domain name resolution on links that the user may choose to follow as well as URLs for items referenced by elements in a web page. For more information, please see the DNS Prefetching blog post. To disable DNS prefetching:

1. Type about:config in the address bar and press Enter Return .
   A warning page may appear. Click Accept the Risk and Continue to go to the about:config page.
2. In the about:config page, search for the preference network.dns.disablePrefetch .
3. Observe the Value column of the network.dns.disablePrefetch row.
   • If it is set to true then do nothing.
   • If it is set to false , double-click it to set it to true .

Speculative pre-connections

To improve the loading speed, Firefox will open predictive connections to sites when the user hovers their mouse over thumbnails on the New Tab page or the user starts to search in the Search Bar, or in the search field on the Home or the New Tab page. In case the user follows through with the action, the page can begin loading faster since some of the work was already started in advance. To disable this feature:

1. Type about:config in the address bar and press Enter Return .
   A warning page may appear. Click Accept the Risk and Continue to go to the about:config page.
2. In the about:config page, search for the preference network.http.speculative-parallel-limit .
3. Observe the Value column of the network.http.speculative-parallel-limit row.
   • If it is set to 0 then do nothing.
   • If it is set to a different value, double-click it to set it to 0 .

Add-on list prefetching

Each time the Add-ons manager is opened, Firefox prefetches a list of add-ons to improve responsiveness of the Recommendations panel. This connection is not made if the add-ons manager is not opened.

User-invoked content

Home page loading

To set your home page to something that doesn’t generate connections to the Internet:

1. In the Menu bar at the top of the screen, click Firefox and select Preferences . Click the menu button and select Settings .
2. Select the Home panel.
3. Under New Windows and Tabs:
   • in the drop-down menu after Homepage and new windows, select Blank Page .
   • in the drop-down menu after New tabs, select Blank Page .
4. Close the about:preferences page.

Extensions

An extension you have installed may be making a connection to a website that it relies on. For example, a connection to a website to synchronize your bookmarks, a connection to a website to update a list of sites to block, etc. Or it is possible an extension could be changing the expected behavior of Firefox in other ways. For example, FasterFox extension has an option to prefetch all links. To disable or remove your extensions, see Disable or remove Add-ons.

Firefox also checks to see if any updates are available for your add-ons (extensions, themes). To disable this check:

1. Click the menu button , click Add-ons and themes and select Extensions .
2. At the top of the tab, click the Tools for all add-onsmenu, uncheck Update Add-ons Automatically and then select Reset All Add-ons to Update Automatically.

Downloads restarted

When you start Firefox, any interrupted downloads from your previous browsing session may be automatically resumed.

1. Press Ctrl + J Ctrl + Shift + Y Command + J to open the Downloads window.
2. Ensure nothing is currently being downloaded.

Search plugin icon loading

When you add a custom search plugin that doesn’t come with an included icon, Firefox might look up the icon at a remote address that is specified in the search plugin once and cache it for future use.

Firefox Sync

If you’re using Firefox Sync, it will establish regular connections in order to synchronize your data to Mozilla’s Sync servers and across your connected devices. In order to choose what data gets synchronized or to disconnect from Sync, see How do I choose what information to sync on Firefox?

Mozilla content

Contextual feature recommendations and other notifications

Firefox may make feature recommendations specific to a type of website you’re on or relevant to a current task. You can disable connections by setting browser.newtabpage.activity-stream.feeds.asrouterfeed to false by double-clicking it.

Experiments or studies

• To disable new feature experiments, set messaging-system.rsexperimentloader.enabled to false .
• To disable the running of experiments, set app.normandy.optoutstudies.enabled to false . This is not necessary if app.normandy.enable is also set to false .
• To disable studies, feature rollouts and emergency hotfixes related to Normandy, set app.normandy.enabled to false .

Geolocation for default search engine

In order to set the right default search engine for your location, Firefox will perform a geolocation lookup once by contacting Mozilla’s servers and store the country-level result locally. This connection happens on the first start of Firefox – in case you want to prohibit that, you will have to preconfigure the browser and set the browser.search.geoip.url preference to a blank string.

“What’s new” page

After a browser update, Firefox might show an additional tab next to your usual homepage to offer more information on changes or new features included in the update. To disable this page from being shown:

1. Type about:config in the address bar and press Enter Return .
   A warning page may appear. Click Accept the Risk and Continue to go to the about:config page.
2. In the about:config page, search for the preference browser.startup.homepage_override.mstone .
3. Double-click it and set its value to ignore .

Add-on metadata updating

The Add-ons manager displays information about each add-on you have installed and provides personalized recommendations in the Recommandations panel. To keep this data updated, Firefox will request information from the Mozilla Add-ons gallery once a day (for more information, see this blog post). To disable these updates:

1. Type about:config in the address bar and press Enter Return .
   A warning page may appear. Click Accept the Risk and Continue to go to the about:config page.
2. In the about:config page, search for the preference extensions.getAddons.cache.enabled .
3. Observe the Value column of the extensions.getAddons.cache.enabled row.
   • If it is set to false then do nothing.
   • If it is set to true , double-click it to set it to false .

Diagnostics

Firefox can submit certain diagnostics data, including Telemetry and Crash Reports data to Mozilla, to provide information that helps improve the browser. You can disable sharing of this data in Firefox Settings . To disable the sharing of this data:

1. In the Menu bar at the top of the screen, click Firefox and select Preferences . Click the menu button and select Settings .
2. Select the Privacy & Security panel.
3. Uncheck the boxes under the section Firefox Data Collection and Use.

In addition, Mozilla will ask a small sample of users to rate their experience with Firefox to get a better insight into the sentiment about the browser. For more information about this, see Firefox/Shield/Heartbeat (MozillaWiki). The rating feature will establish a connection to Mozilla’s servers at startup, which you can turn off like this:

1. Type about:config in the address bar and press Enter Return .
   A warning page may appear. Click Accept the Risk and Continue to go to the about:config page.
2. Find the preference app.normandy.enabled .
3. Set the preference value to false by double-clicking it.

Media capabilities

OpenH264 codec

Firefox will make use of the OpenH264 codec provided by Cisco in order to support the H.264 video codec in WebRTC, a technology allowing for peer-to-peer video communication on the web. For more information about this, see the OpenH264 Now in Firefox blog post.

The OpenH264 codec is not distributed with Firefox but gets downloaded at the first start of Firefox. In case you want to prohibit that, you will have to preconfigure the browser and set the media.gmp-gmpopenh264.enabled preference to false .

DRM content

WebRTC

WebRTC (Web Real-Time Communication) is a technology which provides direct browser-to-browser communication (audio, video, filesharing). As it is drafted and implemented at the moment, WebRTC can lead to your local IP address being exposed to websites even when you are behind a VPN or a NAT router – in the WebRTC API this data would be used to set up a peer-to-peer connection between two local clients.

For different methods and granular controls on how to mitigate this issue, see Media/WebRTC/Privacy Media/WebRTC/Privacy Media/WebRTC/Privacy Mozilla Wiki page.

Network Detection

Firefox’s captive portal feature tests whether your network connection requires logging in, for example, on a public Wi-Fi hotspot, by regularly connecting to http://detectportal.firefox.com/success.txt. Firefox will also make connections to this URL to check if your current network supports IPv6.

To disable this feature:

1. Type about:config in the address bar and press Enter Return .
   A warning page may appear. Click Accept the Risk and Continue to go to the about:config page.
2. In the about:config page, search for the preference network.captive-portal-service.enabled (for example, you can type portal in the search box above the list and pause while the list is filtered).
3. Observe the Value column of the network.captive-portal-service.enabled row.
   • If it is set to false then do nothing.
   • If it is set to true , double-click it to set it to false .
4. In the about:config page, search for the preference network.connectivity-service.enabled (for example, you can type connectivity in the search box above the list and pause while the list is filtered).
5. Observe the Value column of the network.connectivity-service.enabled row.
   • If it is set to false then do nothing.
   • If it is set to true , double-click it to set it to false .

Malware

If your computer is infected with a virus, trojan, spyware or other malicious software, then Firefox’s Internet connection may be being piggybacked in order for the malware to communicate with its author or to deliver advertisements, etc. If you suspect this is the case, consider seeking advice from a forum specializing in malware removal. For more information, see Troubleshoot Firefox issues caused by malware.

Loopback connection

A loopback connection (to IP address 127.0.0.1) can be made by Firefox on non-Unix machines. In this case the browser is communicating with itself as expected, and it is not recommended that this communication be blocked. See bug 100154 for more information.

These fine people helped write this article:

Volunteer

Grow and share your expertise with others. Answer questions and improve our knowledge base.

Related Articles

Captive portal detection

Captive portal checks Firefox's captive portal detector tests whether the network connection requires you to log in. This is sometimes the case.