October 2016
Intermediate to advanced
298 pages
5h 49m
English
Content preview from Mastering Modern Web Penetration TestingBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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HttpOnly and secure cookie flags
HttpOnly is a flag attached to cookies that instruct the browser not to expose the cookie through client-side scripts (document.cookie and others). The agenda behind HttpOnly is not to spill out cookies when an XSS vulnerability exists, as an attacker might be able to run their script but the fundamental benefit of having an XSS vulnerability (the ability steal cookies and hijack a currently established session) is lost.
HttpOnly cookies were first introduced in Microsoft's Internet Explorer 6 SP1, and as of now, this has become a common practice while setting session cookies. The syntax of this is as follows:
Set-Cookie: Name=Value; expires=Wednesday, 01-May-2014 12:45:10 GMT; HttpOnlyIn this HTTP header ; HttpOnly ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.