Secure Cookies – Beyond SSL

Dustin Sweigart (21.Oct.2009)
Talk at ZendCon 2009 Uncon (English - US)

Rating: 4 of 5

Locked windows with an open door...
Security often focuses on the standard routines of protections against XSS, implementing ACL, scrubbing user input. What good is worrying about authorization when you haven't done enough in authentication? The first step in providing authorization is to adequately provide authentication, and using SSL alone isn't enough.

Using cookies intelligently can buy you a lot of things…

* Authentication without touching the DB every request
* High level confidentiality of stored data
* Modification detection
* Protection against common cookie attacks

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Comments

Rating: 3 of 5

09.Oct.2009 at 19:22 by Hannes Magnusson

Given the fact php.net uses extremely insecure cookies (probably to 'not touch the database on every request'), I'd like to know how to fix it :)

Rating: 4 of 5

16.Oct.2009 at 01:00 by Kevin Edwards

this one's definitely on my list.

Rating: 4 of 5

20.Oct.2009 at 22:13 by Brad V.

+1

Def. could use this.

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