Tagged Questions

Referer is the HTTP request header field that contains the address of the webpage from where the request for a web resource originated.

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4answers
103 views

Does referrer header checking offer any real world security improvement?

At work we use a central portal that provides basic SSO functionality to other applications. In addition to verifying the SSO data sent, all of our existing in-house applications (used by the public) ...
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1answer
63 views

Detect referer check on redirect

I have a section of my web site that I only want reachable from another portion of my web site. I know that referer spoofing is trivially easy. But, if all requests from an incorrect referrer are met ...
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2answers
361 views

What was the security vulnerability behind Box and Dropbox and what's different now?

Earlier today I received a number of comments saying that my shared links were disabled. I looked around and saw a number of articles explaining what happened, and Dropbox posted an official statement ...
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4answers
179 views

What risks are introduced by the browser passing the “referer” to the next site visited from a link to another domain?

As of today, I believe every major browser will by default reveal to a third-party site which site I came from, and more specifically, the exact URL I came from. What are the privacy implications of ...
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1answer
59 views

What security exposure (if any) can result from lots of apparently odd referrers in server log

I see relatively many referrers such as the following (as reported by Webalizer) in a web server log. The server is located outside Russia and it's a small one. 8 3 http://tiandeural.ru/ 19 ...
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1answer
173 views

Lots of bot hits, referer seems to be the variable

I've recently (over the last 15 minutes) had quite a few hits from the same IP, it's in a country on our blacklist so they just up up on our "Access Denied" page, but I was just interested in what ...
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0answers
67 views

Emails about Referrer Bombing

I have received a couple of emails recently from site owners saying that they are finding referrer links in their stats with their URL path but my domain. So if a website has a page ...
7
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3answers
368 views

What are the risk implications of not verifying referer header on login form?

Imagine a generic web application with a login form to access the application. Regardless of how the actual authentication is performed, what are the implications of not checking the referer header to ...