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2answers
57 views

How to prevent attacks before HSTS is established for the first time? [on hold]

What is the best way to accomplish this and prevent attacks like SSL Strip?
1
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2answers
239 views

Why doesn't Facebook use HSTS

To force a browser to always use HTTPS for a website (and not rely on 302 redirects to visit the HTTPS version), HTTP Strict Transport Security can be used. Please refer to ...
1
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1answer
67 views

HTTP security headers on non HTML (images, JavaScript, etc)

Let's say, the HTTP security headers below are applied to all HTML pages of a site: HTTP Strict Transport Security (HSTS) X-Frame-Options (XFO) X-XSS-Protection X-Content-Type-Options Is it OK to ...
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1answer
91 views

Caching Behaviour on major browsers

Before I even ask the question - this is a hard question to frame, so I welcome edits to improve clarity. How do major browsers decide how to cache responses, especially if said responses are ...
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2answers
660 views

Twitter's HTTP response vs Google's HTTP response

I was looking at the HTTP responses form https://twitter.com and https://encrypted.google.com. These two responses have interesting similarities and differences in their security definitions. Both ...
3
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2answers
330 views

Is there a problem with issuing a HSTS header in PHP?

I want to trial a HSTS policy on my blog without enabling it site wide initially. As a HSTS policy is just a HTTP response header would there be any problem with sending the header in PHP like so: ...
3
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1answer
527 views

Is HSTS (Strict-Transport-Security header) for HTTP or HTTPS?

Is the Strict-Transport-Security header intended for HTTP or HTTPS? What I mean is, do I respond with this header on a HTTP connection which in turn tells the browser to use HTTPS only from that point ...
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4answers
776 views

How can a web application protect IE users when this browser doesn't support HSTS?

HTTP Strict Transport Security (HSTS) is a very useful feature at preventing OWASP a9 violations and attacks like SSLStrip which try and prevent the client from making a secure connection. My ...