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Author Topic: What is HSTS  (Read 1677 times)

joel lee

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What is HSTS
« on: May 03, 2023, 11:58:22 AM »
HSTS stands for HTTP Strict Transport Security, which is a web security policy mechanism that helps protect websites against attacks such as man-in-the-middle (MITM) and cookie hijacking.

When a website enables HSTS, it instructs the user's browser to only connect to that website over an encrypted HTTPS connection, instead of HTTP. This means that even if an attacker intercepts the user's network traffic, they won't be able to read or modify any sensitive data being sent between the user and the website.

HSTS also helps prevent attacks that exploit the browser's ability to downgrade an HTTPS connection to an unencrypted HTTP connection. By enforcing the use of HTTPS, HSTS helps ensure that all communication between the user and the website is secure and encrypted.

Overall, HSTS is an important security measure that website owners can implement to protect their users' sensitive information and prevent attacks on their website.


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Re: What is HSTS
« Reply #1 on: May 05, 2023, 05:56:49 AM »
HSTS stands for "HTTP Strict Transport Security," which is a web security policy that aims to increase the security of HTTPS websites.

When a website is accessed over HTTPS, HSTS ensures that the connection between the browser and the server is encrypted and secure, by instructing the browser to only use HTTPS for future requests to the same domain. This helps prevent downgrade attacks where an attacker tries to force the connection to use HTTP instead of HTTPS, which is an insecure protocol.

HSTS works by sending a special HTTP response header, known as the "Strict-Transport-Security" header, which tells the browser to always use HTTPS for a specified amount of time (usually a few months). This ensures that even if the user types the website URL without the "https://" prefix, the browser will automatically use HTTPS to establish a secure connection.

Implementing HSTS is a recommended practice for any website that uses HTTPS, as it provides an additional layer of security against various types of attacks, including man-in-the-middle attacks, session hijacking, and cookie hijacking.
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