If the error message still appears, go ahead and clear your browser cache in Chrome: Try reaccessing the problematic website. Are you behind a firewall or does your machine have any security rules Here are the Error screen. Keep in mind that, if you switch to a different tab, you will need to select Enable Calling again, which will prevent you from making or receiving a call on the previous tab. blocking port 1717 ? Salesforce is a registered trademark of salesforce.com, Inc. Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. Search for an answer or ask a question of the zone or Customer Support. Reference:- Environment Variables and Use the Salesforce CLI from Behind a Company Firewall or Web Proxy. 46.8.0 Integrate Salesforce with Webex App Hey Courney, I haven't received this message for awhile now.. Can the game be left in an invalid state if all state-based actions are replaced? Typically this involves the following steps: Check the Status of the Website Restart Your Router Clear Your Browser's Cache Assess Your Proxy Settings and Adjust Them as Needed Disable Firewall and Antivirus Software Temporarily Clear Your DNS Cache Change Your DNS Address Disable Any Chrome Extensions Reinstall the Chrome Browser To check if a website is down, use free online tools such as Website Planet, Host Tracker, or Site24x7. Get status updates and tell Salesforce this issue impacts you or your business. Recently some sites has adopted a same-origin security policy, and if the embed it's not sourced from the same domain, the connection is refused. On what basis are pardoning decisions made by presidents or governors when exercising their pardoning power? Is this plug ok to install an AC condensor? I've checked ClickJack by disabling it. Open a Contact. Reply to this email directly, view it on GitHub Has the cause of a rocket failure ever been mis-identified, such that another launch failed due to the same problem. Flushing the DNS cache will force your computer to redownload the latest DNS information of the website, which might fix the ERR_CONNECTION_REFUSED error. It will open a page and shows "Sign In to Start Meeting" Button. Before looking too far afield, try looking at your event log for suspect errors; see if that helps you locate the source of the problem. This is what happens in Classic and Lightning: Classic - The web tab loads the web application and I can even login into the application. What is really weird is that I can successfully connect to Salesforce using CLI through command line. Asking for help, clarification, or responding to other answers. Making statements based on opinion; back them up with references or personal experience. Below is the code I am using to display the external application inside iframe of lightning component