Menu
I know it's possible to get an empty HTTP_REFERER. Under what circumstances does this happen? If I get an empty one, does it always mean that the user changed it? Is getting an empty one the same as getting a null one? and under what circumstances do I get that too?
323
There might be several reasons why the referer URL would be blank. It will/may be empty when the enduser: entered the site URL in browser address bar itself. visited the site by a browser-maintained bookmark.
Referer spoofing is typically done for data privacy reasons, in testing, or in order to request information (without genuine authority) which some web servers may only supply in response to requests with specific HTTP referers.
The Referer header allows a server to identify a page where people are visiting it from. This data can be used for analytics, logging, optimized caching, and more. When you follow a link, the Referer contains the address of the page that owns the link.
Using HTTP_REFERER isn't reliable, its value is dependent on the HTTP Referer header sent by the browser or client application to the server and therefore can't be trusted because it can be manipulated. Regarding the Referer header, section 15.1.
It will/may be empty when the enduser
177
If you love us? You can donate to us via Paypal or buy me a coffee so we can maintain and grow! Thank you!
Donate Us With
