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A Persistent URL is an address on the World Wide Web that causes a redirection to another Web resource. If a Web resource changes location (and hence URL), a PURL pointing to it can be updated. A user of a PURL always uses the same Web address, even though the resource in question may have moved.
With URL redirects, incoming links to an outdated URL can be sent to the correct location. These links might be from other sites that have not realized that there is a change or from bookmarks/favorites that users have saved in their browsers. The same applies to search engines. They often have the older/outdated domain names and links in their ...
The Apache web server returns 403 Forbidden in response to requests for URL [2] paths that corresponded to file system directories when directory listings have been disabled in the server and there is no Directory Index directive to specify an existing file to be returned to the browser.
Both permalink and PURL (persistent uniform resource locator) are used as a persistent URL, and redirect to the location of the requested web resource. The main differences in the concepts are about domain name and time scale : PURL uses an independent dedicated domain name, and is intended to last for decades ; permalinks usually do not change ...
Some URL shortening services filter their links through bad-site screening services such as Google Safe Browsing. Many sites that accept user-submitted content block links, however, to certain domains in order to cut down on spam, and for this reason, known URL redirection services are often themselves added to spam blocklists.
The practice has been controversial since ISP redirect pages were introduced in 2006. [2] ISP redirects can fool the ping networking utility. Ping may falsely report that a website is responsive when in truth it is unavailable but redirected. [3] ISP redirects also interfere with web archiving tools like ArchiveTeam Warrior [4]
HTTP header injection is a general class of web application security vulnerability which occurs when Hypertext Transfer Protocol (HTTP) headers are dynamically generated based on user input.
Typosquatting, also called URL hijacking, a sting site, a cousin domain, or a fake URL, is a form of cybersquatting, and possibly brandjacking which relies on mistakes such as typos made by Internet users when inputting a website address into a web browser. A user accidentally entering an incorrect website address may be led to any URL ...