This redirect should precede redirection to any other domain or subdomain.Īlternatively, add HSTS to the Final URL. For example, should only redirect either to or. No, there are too many insecure redirects in this scenario even if there is HSTS at the final URL.Īny HTTP site should redirect the browser to a secure (HTTPS) version of the same domain that was originally requested (or a higher-level version of that same domain). No, if HSTS is not present in the final URL
#Atompark insecure browser code
When a 301 response code is returned by a GET request to the root page of a web server, check the location response header against the following decision table. In the preceding request chain, the redirect occurs with a 302 (Temporary Redirect) to HTTPS but increases the risk of a Man-in-the-Middle (MITM) attack because a 301 (Permanent Redirect) is not used. A correctly set HSTS header will prevent an attacker from intercepting and maliciously modifying the redirection to the new domain in the future. This prevents the browser from receiving an HSTS header for the original domain, as browsers ignore HSTS headers sent over plain HTTP, and the header for the new secure domain doesn't apply to the original domain. The site sends a redirect response to the browser, redirecting it from HTTP to an HTTPS site at a different domain or subdomain. This leaves users vulnerable to being redirected to a spoofed or malicious version of the site. This measurement is meant to surface issues whereby a site redirects to a domain in a way that limits the security provided by HTTPS and HSTS headers.