An HTTP cookie is a piece of data stored by the user's web browser. Unless otherwise specified, cookies can be created, read, modified and deleted and modified both by JavaScript and from server-side scripts by reading the headers.

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0
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1answer
553 views

Verify 2 cookies with mod_rewrite before serving images

I have the following mod_rewrite rule, which works fine in my Apache 2.x on CentOS 6 Linux machine, but is not complete: RewriteCond %{HTTP_COOKIE} !id RewriteCond %{REQUEST_URI} ...
2
votes
1answer
193 views

Does adding LinkedIn button to a website result in cookies that track users?

We are planning to add the LinkedIn button in our website. But the restriction we are having is, the website should not use the cookies which collect the personal information. No impersonation. But I ...
2
votes
4answers
414 views

Can someone explain how FaceBook's cookie tracks you while logged out?

This article claims that Facebook tracks what you do, even when you're logged off of Facebook, via cookies. Now, a cookie is just a text file... that is read/written to while you're actually on that ...
2
votes
2answers
61 views

How does this stackexchange form saved the work, I mean keep an auto save function, to retrieve loss of work

How does this stackexchange form saved the work, I mean keep an auto save function, to retrieve loss of work, in case the user's browser crashes.
1
vote
1answer
122 views

Cookie data transfer

The context is a third-party analytics service, specifically Quantcast, but the inquiries are more general in nature. Please forgive and correct me if any of my assumptions are off, and thank you in ...
1
vote
2answers
333 views

Temporary redirect needs to detect the URL of original page request from a search engine then redirect again to that page

I've tried searching this an innumerable amount of times with different word combinations, can't seem to crack it. Apparently I do not know the right terms in this situation. When you come to my ...
1
vote
0answers
611 views

Google Analytics: 300% direct traffic increase - due to load balancing or tracking code change? [closed]

Last Wednesday we changed the domain name of the Analytics cookie used on our online retail site to be able to better track our outsourced on-site search. Following some discrepancies in the traffic ...
1
vote
2answers
245 views

Can search engines change language and read the cookie?

I am building a multi language website in PHP and prepared all my strings in English by default using gettext() My locale/it_IT/LC_MESSAGES/default.mo file is working correctly and now I need to sort ...
1
vote
1answer
737 views

Enforcing a specific order for cookie headers

We have an application that cares about the order of cookie headers. It shouldn't, since this isn't mandated by the standards and indeed we're getting the headers in various different orders So we ...
3
votes
5answers
293 views

Variable IPs: How variable are they? Best practices for tracking

There are a lot of questions on StackOverflow relating to session security / session hijacking, but there doesn't seem to be a really good solution to the problem. The three most common suggestions ...
5
votes
1answer
564 views

Forced GZIP Detection on Google App Engine

Some clients are appearing on our Google App Engine instances without the Accept-Encoding header. We normally use the set a cookie with an appended iframe technique (or variation thereof) to detect ...
7
votes
2answers
3k views

How to use cookies in a secure manner to authenticate users?

In most cases I like using cookies to remember returning users to my websites. In my early/foolish days, I would store a UserID (auto-increment integer) in a cookie and if the user returned I would ...
6
votes
3answers
853 views

Multiple google analytics instances on a page?

My company creates (and hosts) sites for many different clients. We allow clients to send us tracking code, including Google Analytics, and we put them on the page. We would also like to include our ...
10
votes
2answers
456 views

How many domains to split components across?

I understand how splitting components across domains can maximize parallel downloads, and enable you to have cookie-free static content domains, but since there's a time cost for each domain lookup ...