HTTP_REFERER or alternative. PHP Forums on Bytes. mrsmithq escribió: I have a page that has this logic in it: //We can call it access.php
Nov 06, 1994 · HTTP header fields provide required information about the request or response, or about the object sent in the message body. There are four types of HTTP message headers: General-header: These header fields have general applicability for both request and response messages. 0 Never send the Referer header or set document.referrer. 1 Send the Referer header when clicking on a link, and set document.referrer for the following page. 2 (Default) Send the Referer header when clicking on a link or loading an image, and set document.referrer for the following page. JMeter provides HTTP header manager element to attach that additional information along with the request. It is not necessary to have a separate HTTP header manager with each request unless request needs a unique header. You can have one HTTP header manager at Thread level or none (as per request type). JMeter now supports multiple Header Managers. Sep 05, 2017 · Prevents the browser, when navigating to another page, to send this page address, or any other value, as referrer via the Referer: HTTP header. — Mozilla Below is an example of using the rel attribute in a link. It can also be used on tags to prevent sending referrer information. < public string Referer { get; set; } member this.Referer : string with get, set Public Property Referer As String Property Value String. The value of the Referer HTTP header. The default value is null. Examples. The following code example sets the Referer property. // Create a 'HttpWebRequest' object. Oct 07, 2014 · Using the referrer metadata attribute, a document can control the behavior if the Referer HTTP header attached to requests that originate from the document. Use Cases An author might wish to control the Referer header omitted by a document for a number of reasons. Any request with a empty Referer header will be immediately returned with a HTTP 200 response to trick the client that a successful attempt was made, and any other Referer's will be redirected back to the referral site.
Feb 27, 2018 · HTTP is the application-layer protocol with which most web pages are transferred. As part of HTTP, requests can include a "Referer" header that tells the server which page the user was on that initiated the request. Servers use this information to track users' paths through the site and possibly provide additional features.
Note that referer is actually a misspelling of the word "referrer". See HTTP referer on Wikipedia for more details. A Referer header is not sent by browsers if: The referring resource is a local "file" or "data" URI. An unsecured HTTP request is used and the referring page was received with a secure protocol (HTTPS). The HTTP referer (a misspelling of referrer) is an optional HTTP header field that identifies the address of the webpage (i.e., the URI or IRI) which is linked to the resource being requested. By checking the referrer, the new webpage can see where the request originated.
Oct 07, 2014 · Using the referrer metadata attribute, a document can control the behavior if the Referer HTTP header attached to requests that originate from the document. Use Cases An author might wish to control the Referer header omitted by a document for a number of reasons.
Most general-purpose user agents do not send the Referer header field when the referring resource is a local "file" or "data" URI. A user agent MUST NOT send a Referer header field in an unsecured HTTP request if the referring page was received with a secure protocol. See Section 9.4 for additional security considerations. Using HTTP_REFERER in PHP. The HTTP REFERER in PHP is stored in the $_SERVER super global, and can be referenced from anywhere in your PHP code like in the following example, which would simply write it out to the browser: echo $_SERVER['HTTP_REFERER'] If the HTTP_REFERER has been set then it will be displayed.