Clear HSTS configuration in Chrome
  1. Open Google Chrome.
  2. In the Query HSTS/PKP domain field, type in the domain name ( for which you want to delete the HSTS settings.
  3. Now scroll down the page and enter the same domain name in the Delete domain security policies and press the delete button.

Similarly, you may ask, how do I enable strict transport security?

To enable HSTS:

  1. Log in to the Cloudflare dashboard.
  2. Click the appropriate Cloudflare account for the domain requiring HSTS.
  3. Ensure the proper domain is selected.
  4. Click on the Cloudflare SSL/TLS app.
  5. Click on the Edge Certificates tab.
  6. Click Enable HSTS under the HTTP Strict Transport Security (HSTS) section.

Secondly, has a security policy called HTTP Strict Transport Security? HSTS stands for HTTP Strict Transport Security, it's a web security policy mechanism that forces web browsers to interact with websites only via secure HTTPS connections (and never HTTP). HSTS can also help to prevent cookie-based login credentials from being stolen by common tools such as Firesheep.

Consequently, what does Strict Transport Security do?

HTTP Strict Transport Security (HSTS) is a web security policy mechanism that helps to protect websites against protocol downgrade attacks and cookie hijacking. HSTS Policy specifies a period of time during which the user agent should only access the server in a secure fashion.

How do I disable Hsts in Internet Explorer?

Clearing or Disabling HSTS settings in Internet Explorer

  1. Press Windows key + R to open up a Run box.
  2. Using the left-pane of Registry Editor, navigate to the following registry subkey:
  3. Right-click on FeatureControl and choose New > Key.
  4. Right-click on FEATURE_DISABLE_HSTS and choose New > DWORD (32-bit) value.

Related Question Answers

What is Max age in strict transport security?

The maxage must be at least eighteen weeks (10886400 seconds). The includeSubDomains directive must be specified. The preload directive must be specified. If you are serving an additional redirect from your HTTPS site, that redirect must still have the HSTS header (rather than the page it redirects to).

How do I know if my Strict Transport Security header?

Verify HSTS Header

You can launch Google Chrome Devtools, click into the “Network” tab and look at the headers tab. As you can see below on our Kinsta website the HSTS value: “stricttransportsecurity: max-age=31536000” is being applied.

How do https work?

The HTTPS Stack

An SSL or TLS certificate works by storing your randomly generated keys (public and private) in your server. The public key is verified with the client and the private key used in the decryption process. HTTP is just a protocol, but when paired with TLS or transport layer security it becomes encrypted.

Why use Hsts header?

The HTTP Strict-Transport-Security response header (often abbreviated as HSTS) lets a web site tell browsers that it should only be accessed using HTTPS, instead of using HTTP.

How do I enable HTTP Strict Transport Security in wordpress?

– Go to Appearance >> Editor in the Left Menu. * Enables the HTTP Strict Transport Security (HSTS) header. All Set! Please note that this method should be followed only if your an active SSL Certificate on your Website, and all http links are properly redirected to https.

How do I use Hsts header?

Managing HSTS on Linux
  1. Using SSH, the cPanel File Manager, or the Plesk File Manager, navigate to the document root of your site (usually the public_html folder).
  2. Use your preferred text editor to open the .
  3. Copy the following line, and then paste it into the .htaccess file: Header always unset Strict-Transport-Security.

How do I enable HTTP Strict Transport Security in IIS?

Configure HSTS on IIS 7/8
  1. Run the IIS manager.
  2. Select your site.
  3. Select HTTP REsponse Headers.
  4. Click on Add in the Actions section.
  5. In the Add Custom HTTP Response Header dialog, add the following values: For Name: Strict-Transport-Security. For Value: max-age=15552001; includeSubDomains; preload.

What is Hsts preload list?

The HSTS preload list is a set of domains that have opted into HSTS, which enforces that those domains can only be accessed over HTTPS. Once their site is ready, webmasters can submit their domain to, which will result in their domain being hard-coded as HTTPS-only in Chrome's list.

What is strict SSL?

Today we are announcing a new feature to help make encryption on the web safer and more secure: Full SSL (Strict). With strict mode, CloudFlare does additional validation of the identity of the origin server in order to prevent active snooping and modification of your traffic on the Internet backbone.

What is https mean?

Hypertext Transfer Protocol Secure

What is SSL connection?

Secure Sockets Layer (SSL) is a standard security technology for establishing an encrypted link between a server and a client—typically a web server (website) and a browser, or a mail server and a mail client (e.g., Outlook).

Who developed http 2?

HTTP/2 was developed by the HTTP Working Group (also called httpbis, where bis means “second”) of the Internet Engineering Task Force. HTTP/2 is the first new version of HTTP since HTTP 1.1, which was standardized in RFC 2068 in 1997.

How do I clear Hsts settings?

Clearing HSTS in Chrome
  1. Open Google Chrome.
  2. Locate the Query HSTS/PKP domain field and enter the domain name that you wish to delete HSTS settings for.
  3. Finally, enter the domain name in the Delete domain security policies and simply press the Delete button.

What is SiteSecurityServiceState txt?

Firefox's SiteSecurityServiceState.txt file (located in the profile folder) records the HSTS times and HPKP expiry times and pins.

What is CSP header?

Content Security Policy (CSP) is an added layer of security that helps to detect and mitigate certain types of attacks, including Cross Site Scripting (XSS) and data injection attacks. If the site doesn't offer the CSP header, browsers likewise use the standard same-origin policy.

How do I enable https in Chrome?

Start Google Chrome with HTTPS

Enable Google Chrome support by typing chrome://net-internals/ into your address bar, then select HSTS from the drop-down menu. HSTS is HTTPS Strict Transport Security, a way for websites to elect to always use HTTPS.

How do I stop redirect from HTTP to Internet Explorer?

If you want to disable HTTPS Everywhere for Internet Explorer, open Internet Explorer. Go to Tools > Manage Add-ons. Select HTTPS Everywhere and click on Disable. To remove completely HTTPS Everywhere from your computer, go to the Control Panel > Programs > Uninstall a Program.

Which means that Firefox can only connect to it securely you can't add an exception to visit this site? has a security policy called HTTP Strict Transport Security (HSTS), which means that Firefox can only connect to it securely. You can't add an exception to visit this site. The issue is most likely with the web site, and there is nothing you can do to resolve it.