Connection errors are not only a headache for users but also web managers, although they are rarely due to any complication of the web project in question. On the contrary, it’s much more likely that the problem is on the client side. Actually, it’s a very advantageous fact if one takes into account that the user can solve it by himself. However, the frustration comes, after several attempts, the failure persists, which is often the case with Chrome’s ERR_CONNECTION_REFUSED. If this error 102 appears in the Google Chrome browser, it’ll not help the user to reload the page or try to enter at a later time.
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What’s behind Chrome’s ERR_CONNECTION_REFUSED error?
The error ERR_CONNECTION_REFUSED appears when trying to load a web page in Chrome. The user gets a message that the connection has been rejected (refused). Although the error message, with error code 102, only appears under this form in Chrome.
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I've tried running a port scan for 127.0.0.1 and http port 80 does not show. This and the connection being refused makes me think this is where the issue is but I don't know why. The OSX firewall is turned off. I've tried the solution posted here but it did not fix it. My /etc/hosts file looks like this. The gRPC template and samples use Transport Layer Security (TLS) to secure gRPC services by default. GRPC clients need to use a secure connection to call secured gRPC services successfully. You can verify the ASP.NET Core gRPC service is using TLS in the logs written on app start. The service will be listening on an HTTPS endpoint. Mar 31, 2020 Hi Shais, I write about GNS3 VM connection problem. Icon GNs3 VM is grey instead icon local server is green. I’ve installed on my system Lenovo Windows 10 Pro, GNS3 2.1.12 and on the Vmware Workstation 15 GNS3 VM 0.10.14. GNS3 VM turn on proprely the Workstation Player when I open GNS3 as Administrator privilege. Firewall is turned off.
The problem also occurs in other browsers such as Firefox when the connection to the web project is not possible or when it is not available.
Normally, the ERR_CONNECTION_REFUSED error is a client-side problem that may be caused by a firewall, system or browser configuration failure. But also by malware or due to an unstable Internet connection. Only in exceptional cases, the message is displayed when the page is not available, although it is more likely to show another error message.
The failure in the connection does not have to be caused by the web visitor, as can be seen below: when a web developer works with Chrome and with temporary local addresses for individual project resources, he can not access addresses that end in localhost.
Instead, the message is displayedERR_CONNECTION_REFUSED, since some security functions that were implemented with the 432 version of the browser are in charge of automatically blocking the localhost domains.
Note: The message that a connection has been rejected is displayed in any browser, regardless of the operating system used. Therefore, whether you are working with Windows 10, with Mac or Android, the error “ERR_CONNECTION_REFUSED” may appear if you are browsing with Chrome.
10 ways to Fix ERR_CONNECTION_REFUSED error: this is how it is done
Since the ERR_CONNECTION_REFUSED message is usually due to a configuration problem on the client side or a technical problem of the user, there is a possibility that the latter will find the solution.
However, there are many reasons that can cause the error, and the message is shown does not explain exactly what causes the connection, so the only option is to try all existing solutions until you find the one that eliminates the error.
But what solutions are there to put an end to ERR_CONNECTION_REFUSED?
Solution 1: check the status of the web
Before looking for a solution to a possible problem in the Internet connection or the configuration of the browser, it is necessary to discard that it is the contacted server that causes the error ERR_CONNECTION_REFUSED.
Even though the probability that the web is inactive is very low and, instead of other more common messages such as HTTP 503 error, error 102 is shown, a check must be made.
In principle, there are two options to check the status of the web. On the one hand, through the classic way, that is, trying to access other pages from the browser.
The fact that these loaded pages do not show the ERR_CONNECTION_REFUSED is a clear indication that the problem is on the server side of the landing page.
On the other hand, you can use web tools such as Down For Everyone Or Just Me? , with which just by entering the URL of the page whose connection has been rejected, you get a quick check of the general functionality of the page.
Solution 2: restart the router
Restarting the router is one of the most recurrent solutions when trying to solve various problems in the World Wide Web.
Although the probability that it is an effective remedy is quite low. Even so, we must rule out that the ERR_CONNECTION_REFUSED is due to a failure in the device that connects the user to the Internet, more if the check just takes a few minutes.
To do this, simply disconnect the appliance from the electrical power and wait about 30 seconds to plug it back in. When the router is back online, it tries to access the web page with the error and, if the message ERR_CONNECTION_REFUSED persists, we must think that another reason is causing this error.
Solution 3: Empty the browser cache
Like all Internet browsers, Chrome also stores a large amount of information in the cache: the history of pages visited, cookies, static content such as images or access data, etc. All this allows loading the pages already visited more quickly.
This can be a problem if the cache is not updated and, therefore, does not match the current version of the page that you want to access. One of the solutions with which ERR_CONNECTION_REFUSED can be eliminated is to empty the Google browser cache.
There are two ways to access the menu with which to delete the cache:
- Click on the three-point symbol in the navigator menu bar, select “Tools” and click on “Delete navigation data.”
- Directly insert chrome: // settings / clearBrowserData in the Chrome address bar
Both possibilities give access to the browser’s cache menu. Once here, it is enough to click on “Clear navigation data” to delete all the stored information.
![Connection Refused For 1 In Macos Connection Refused For 1 In Macos](/uploads/1/2/6/5/126568003/711308679.jpg)
Of course, it is essential to pay attention to the section with the time intervals from which it is intended to erase the data: it is recommended to choose “the origin of the times,” otherwise only the information of the last days or the last ones will be eliminated.
Solution 4: Check and adjust the proxy settings
One of the issues that most concern users and providers of browsers are the protection of privacy on the World Wide Web. In fact, in the development of web clients, security functions have become increasingly important.
The proxy framework
Despite this, many users also resort to individual solutions to protect their data. Especially noteworthy is the use of proxy servers, which act as intermediaries between the web and the browser, filtering the communication and storing the data and hiding the IP addresses of users to the web servers contacted.
There are different scenarios in which a proxy server can cause ERR_CONNECTION_REFUSED when trying to connect a page: for example, the web server could block the proxy or its IP address and, as a consequence, reject the connection.
Another possible reason for the error is in the cache function because if it contains obsolete data, the error message will continue to appear. Of course, there is also the possibility that the proxy is not enabled or is misconfigured, in which case the connection would also fail.
If you receive a message like Chrome error 102, it is advisable to check the user’s proxy settings and delete the registered servers, if in doubt.
To do this, Chrome has an entry in the browser options, which saves having to search the menu manually. To access the Chrome settings just enter the following address in the search bar:
chrome://settings/
By clicking on ” Show advanced settings,” you access the full menu. In the section “System,” you will find the option ” Open proxy configuration,” which addresses the proxy menu of the operating system being used:
To not open the proxy settings manually you can access directly through the browser bar
While Windows users should click on the “Local Area Network (LAN) Settings” and uncheck, if necessary, the “Use a proxy server for LAN” box, Mac users have to uncheck all boxes of the selected proxy protocols.
Solution 5: Temporarily disable the firewall and antivirus software
Also, firewalls and programs against malware and other malicious software serve to protect the user and the system, being responsible for filtering network traffic and scan the system at regular intervals to automatically block harmful or potentially unsafe pages, as well as to detect malicious software.
Although this software is very important to ensure security, it is also problematic when it prevents connection to a page by blocking it by mistake.
A solution to the problem ERR_CONNECTION_REFUSED, caused by this type of software, is to temporarily disable the firewall or the rest of the antivirus programs.
If in doing so it is possible to access the web in question, you already know what the cause is, and you can make the corresponding changes in the list of filtering programs or change protection tools.
Solution 6: Remove the DNS cache (DNS Flush)
While most Internet users are aware of the existence of the browser cache, only a few know that the operating system also stores information about browsing behavior.
In this way, the DNS cache receives temporary entries of all the pages that have been accessed with a browser; entries that contain all the necessary information for the resolution of the names of the domain addresses.
That is, the DNS cache performs a task similar to the browser’s cache, eliminating the need to contact the DNS server again, which saves a lot of time.
But it is not always good for the DNS cache to respond directly to the request, because if an entry does not correspond to the most current version of a website, technical problems and connection errors such as ERR_CONNECTION_REFUSED may arise.
The easiest solution is to clear the cache, which can be carried out without further complication with the command line in the system used. In Windows the command is:
ipconfig /flushdns
mixed
The Digital Guide offers more information about DNS Caching and DNS Flush and shows the corresponding commands of macOS and Linux.
Solution 7: Change the DNS server
Name resolution is one of the basic components to guarantee the functionality of computer networks. However, an outdated DNS entry is not the only reason that the ERR_CONNECTION_REFUSED message can cause on Android, iOS or Windows when they access the domain name system.
Also, the DNS server can be responsible for certain connection errors when it does not work as it should, either due to an overload, or because it is disconnected.
In most cases, the DNS server address is obtained automatically from the Internet access provider, although the name servers selected for name resolution can be registered without further ado. In this case, the Google servers (8.8.8.8 and 8.8.4.4) and the Cloudfare DNS providers (1.1.1.1 and 1.0.0.1) are recommended.
Solution 8: Disable Chrome extensions
The extensions allow extending the functionality of Chrome. However, many of these extensions are not from Google but have been developed by third parties, and when the user decides to use them, there is no guarantee that they will work as expected or will be updated over time to remain compatible.
For example, with the new versions of Chrome. Well, there are incompatible or faulty extensions that can trigger the problem “ERR_CONNECTION_REFUSED.” Hence, the need to check the active plugins in Chrome which can be accessed by entering:
“chrome: // extensions” in the address bar.
To deactivate the extensions individually, simply slide the button to the left:
Clicking on “Remove” removes the Chrome extension
![Connection refused for 1 in macos 10 Connection refused for 1 in macos 10](/uploads/1/2/6/5/126568003/129769858.jpg)
If you can connect to the page in question after removing all the extensions, at least you have proof that one of them is the cause of ERR_CONNECTION_REFUSED. To discover exactly which one is responsible, you have to activate one by one. And once you identify the responsible one, you have to delete it by clicking on “Remove.”
Solution 9: Reinstall Chrome
Like any other application, Chrome is also free of errors, although many of them are being corrected thanks to the continuous updates. However, there may be problems between the browser and the operating system that are not always solved with an update.
If, as a result, Chrome error 102 appears on the screen, simply reinstall the browser completely, for which it is necessary to remove the current installation from the control panel and download the necessary files from the Chrome web page for a new installation.
Solution 10: contact the provider
The user can change the DNS server by himself, and thus replace the standard solution of the Internet access provider. But he can not do anything with regard to the packet filters that the provider performs.
Usually, there is a possibility that this will block the connection to the page through the firewall. So we recommend contacting the technical support service if the user isn’t able to resolve the problem on his own. With any luck, the page in question is blocked, and it is enough to ask for the error to fix the ERR_CONNECTION_REFUSED.
Video on ERR_CONNECTION_REFUSED
Connection errors are equally annoying for visitors and website operators. However, very few of these error messages are caused by the website itself. Usually, the problem lies on the visitor’s end and they can correct it themselves. However, the situation can quickly become frustrating if you try to fix it without any information. One of the most persistent errors is the message “ERR_CONNECTION_REFUSED”, which should be well known to most Chrome users. If the 102 error appears in Google’s browser, it is usually not enough to reload the page or access it again at a later time.
- How to fix the ERR_CONNECTION_REFUSED error message
What is behind the ERR_CONNECTION_REFUSED Chrome error?
When you visit a website with Google Chrome and receive the error message ERR_CONNECTION_REFUSED, it means that your attempt to connect with the page was refused. While the error message with the error code 102 only appears in this form on Google Chrome, the problem itself also occurs on other browsers like Firefox if a connection to the target website is unavailable or impossible. The ERR_CONNECTION_REFUSED error is a client-side problem that can be caused by incorrect firewall, system or browser settings, but also by malware or a faulty Internet connection. In exceptional cases, however, the message is also displayed if the website is unavailable (however, other messages are provided for this by default).
The connection error does not necessarily affect website visitors, as the following example shows: if web developers work with Google Chrome and temporary local addresses for individual resources of a website, these addresses are often inaccessible when their URLs end on .localhost. The ERR_CONNECTION_REFUSED message in this case is due to a security feature introduced on Chrome version 43 that automatically blocks these localhost subdomains.
A rejected connection message may appear regardless of the operating system used. You can therefore encounter an ERR_CONNECTION_REFUSED error message on Windows 10, as well as on a Mac. Android users can also be confronted with the connection problem if they use Chrome.
Connection Refused For 1 In Macos 10
How to fix the ERR_CONNECTION_REFUSED error message
The fact that the ERR_CONNECTION_REFUSED error message appears almost always due to a client-side misconfiguration or a technical problem on the user’s side means that you have the chance to fix the problem on your own. However, the difficulty is that there are many potential causes of errors that can be responsible for blocking the connection. However, the browser message does not indicate what prevented the desired page from being accessed in the specific case. Therefore, you have no other choice than to try out the various solutions one by one until the error is corrected and the website can be accessed again as usual.
Which methods for correcting the ERR_CONNECTION_REFUSED error message are most likely to succeed?
Solution 1: Check the website status
Before looking for a solution to your internet connection and the internet or browser settings, you should rule out that the ERR_CONNECTION_REFUSED error is caused by the contacted web server. Even if the likelihood of this is minimal, you should first check if the website is just offline and the Chrome 102 error is displayed instead of the usual messages like a HTTP 503 message.
In principle, you have two options for checking the status of the website: the classic way is to try and access other sites. If these can be loaded without the ERR_CONNECTION_REFUSED error message, this is a clear sign of a server-side problem on the actual target page. A second option is to use the web tool Down For Everyone Or Just Me?. Enter the web address of the non-functioning webpage and start a quick check by clicking on “or just me?” to check the general functionality of this page. After a few seconds, you will receive a result: the website is offline (“down”) or online (“up”).
Solution 2: Restart the router
One of the most common solutions to various errors on the internet is to restart the network device that connects you to the internet. Although the chance of success is rather low in most cases, you should also try this when this ERR_CONNECTION_REFUSED error message appears – especially since restarting the router is a matter of a few minutes. Just disconnect the power supply by unplugging the router’s power supply and wait about 30 seconds before reconnect with the plug. When the router boots up again, try to access the target website again with your browser. If the connection problem persists, there must be another cause.
Solution 3: Clear Browser Cache
Like all internet browsers, Chrome stores a lot of information in the program’s cache. These include the history of visited websites, cookies, or static content like images or log-in data, which are recorded in the cache in order to be able to load the corresponding pages more quickly the next time they are accessed. However, this can become a problem if these cache states are outdated and therefore no longer match the current version of the contacted website. A possible solution to fix the ERR_CONNECTION_REFUSED error message in Chrome is to clear the Google Chrome’s browser cache.
The menu needed to achieve this can be accessed in two ways:
- Click on the three-point symbol in the browser’s menu bar and then select “more tools” and click on “delete browser data”.
- Access the address chrome://settings/clearBrowserData on the Chrome address line.
In both cases, you can go directly to the browser cache menu, where you can remove the cache files with a single click on the “DELETE DATA” button. Please make sure that all listed file categories, as well as the option “total time” (under “period”) are selected, otherwise Chrome will not empty the entire cache, just certain files and the cache from the last couple of hours or days.
Solution 4: Check proxy settings and adjust them if necessary
The protection of privacy on the internet has been an important issue for browser manufacturers and users for years. However, the increasingly important role security features have played in the development of websites does not prevent many users from using individual solutions to protect their own data. Particularly popular is the use of proxy servers, which act as an intermediary between the browser and websites. In this way, they can filter communication and cache data, as well as keep the IP address of the user secret from the contacted web server.
However, there are various scenarios in which a proxy server can cause problems like the ERR_CONNECTION_REFUSED error message. For example, the web server could block the proxy or its IP address and therefore reject the connection. Another possible source of errors is the caching function of the proxy servers – as soon as the cache contains obsolete data, connection errors cannot be excluded. Of course, it is also possible that the proxy is offline or incorrectly configured, which would also cause the connection to fail.
If you receive a message like the Chrome 102 error, it is recommended to check your own proxy settings and delete registered servers in case of doubt. For this purpose, Chrome even has its own entry in the browser options, which saves you having to search for the corresponding menu in your system settings. In the first step, open the Chromes settings by entering the following address in the search bar:
Click on “advanced” to open the complete menu. Under “system”, you will find the entry “open proxy settings”, which takes you to the corresponding menu on your operating system.
Windows users then click on “LAN settings” and uncheck (if necessary) “use proxy server for LAN”. Mac users immediately land in the appropriate menu and only have to uncheck all selectable proxy protocols.
Solution 5: Temporarily disable firewall and antivirus software
Firewalls and programs against malware and the like also serve to protect users and systems. To this end, they filter network traffic and scan the system at regular intervals to automatically block malicious and conspicuous (potentially unsafe) pages or detect known malware. However, as important as this security software is, it is also problematic if it unjustly blocks pages or content and therefore prevents connections from being established.
In order to protect your privacy, the video will not load until you click on it.
A solution to the ERR_CONNECTION_REFUSED error message is therefore to temporarily deactivate the firewall and the like. If the project can then be called up, you know the cause of the connection problem and can make corresponding changes to the programs filter lists. Alternatively, you can switch to other security tools.
Solution 6: Clear DNS cache (DNS flush)
While most people are probably aware of the browser cache, only a few internet users know that the operating system also collects information about browsing habits. For example, the DNS cache contains temporary entries for all pages that you have called up with your browser. In detail, these entries contain all the information required for the name resolution of the respective domain addresses, which means that the DNS cache performs a similar task as the browser cache (acceleration of the loading process). This caching eliminates the need to contact a DNS server again, saving a lot of time.
However, the fact that the query is answered directly from the cache is not always an advantage. If an entry no longer matches the current version of the website, technical problems and connection errors like the ERR_CONNECTION_REFUSED error message are not unusual. The simple and quick solution is to clear the DNS cache, which you can easily do from your systems command line. With Windows, the command required for this is as follows:
You can find out what the corresponding commands for macOS and Linux look like in our guide – including more information about the DNS cache and DNS flush.
Solution 7: Change DNS server
Name resolution is one of the basic building blocks of computer network functionality. This means that an outdated DNS entry is not the only potential source of errors like the ERR_CONNECTION_REFUSED error message on Android and iOS that originates from the Domain Name System. The DNS server itself can also be responsible for these kinds of connection errors if it does not function properly, for example, because it is overloaded or even offline.
In most cases, the DNS server address is automatically obtained from the internet provider, although selected name server can easily be entered for name resolution. The Google servers (8.8.8.8 and 8.8.4.4) and the CDN provider Cloudflare (1.1.1.1 and 1.0.0.1) are particularly recommended.
Solution 8: Disable Chrome extensions
Extensions broaden the functionality of your Chrome installation, but the majority of these are not from Google, instead they have been developed by third parties. If you use extensions, you have no guarantee that they will work as intended, and will be updated regularly (to be compatible with the current Chrome version). Since incorrect or obsolete extensions can also cause error messages like ERR_CONNECTION_REFUSED, you should always consider a thorough check of the chrome add-ons you have installed. First, open the “extensions” menu by accessing the following address:
The individual extensions can now be deactivated by moving the slider to the left:
If the target website can be executed correctly after you have switched off all extensions, you know that at least one extension is responsible for the ERR_CONNECTION_REFUSED error message. Activate the extensions one after the other to find the culprit(s) and then delete them using the “REMOVE” button.
Solution 9: Reinstalling Chrome
Like any other application, Chrome is not bug-free. Many errors can be quickly corrected thanks to regular updates, but problemsbetween the browser and the operating system can still occur, which cannot be solved despite updates. If this even results in connection errors like the 102 error, you will usually just have to completely reinstall Chrome completely. You can delete the current installation from your software center and download the required file for a new installation from the official Chrome Website.
Solution 10: Contact provider
Connection Refused For 1 In Macos 3
While you can change DNS servers on your own and therefore replace the standard solution of your internet provider, you have no influence whatsoever on the packet filtering performed by your provider. Since there is at least the possibility that this blocks the website you are targeting through the provider’s own firewall system, you should not hesitate to contact support if these DIY solutions are not successful. If you are lucky, the page in question is actually blocked, so it is sufficient to order an unblocking to correct the ERR_CONNECTION_REFUSED error.