WebDAV turns up in many different contexts, on the server or client-side. WebDAV has itself been the basis for additional protocols, including calendaring ( CalDAV) and contact management ( CardDAV). A WebDAV server with versioning is often just called a “DeltaV” server. If you encounter a WebDAV server referred to as “class 1”, that means it lacks locking. As a consequence, WebDAV without versioning is widespread, and DeltaV is much less widely implemented. There’s also no common method that operating systems, version control systems, and applications use to model history and change. But revision tracking is foreign to nontechnical users. Searching capabilities were also added in a later extension ( RFC 5323).įile access and manipulation is a well-understood capability that’s useful to a wide audience. DeltaV ( RFC 3253), the versioning and configuration management piece of WebDAV, was defined later. To support collaborative authoring, the original specification of WebDAV included file locking, but it punted on the “versioning” part of DAV due to the complexity of the revision tracking domain.
As an extension to HTTP, WebDAV normally uses port 80 for unencrypted access and port 443 (HTTPS) for secure access. WebDAV extends the set of standard HTTP methods and headers to provide the ability to create a file or folder, edit a file in place, copy or move or delete a file, etc. The WebDAV protocol enables a webserver to behave like a fileserver too, supporting collaborative authoring of web content. WebDAV ( RFC 4918) is an extension to HTTP, the internet protocol that web-browsers and webservers use to communicate with each other.
You can encounter it in many different contexts. But it’s still a powerful capability, and a reliable workhorse when the right servers and clients are matched. Thus interoperability can’t be assumed success depends on the platform, environment, and vendor-specific extensions.ĭue to all this, in many of its use cases WebDAV is being supplanted by more modern mechanisms. Many servers and clients implement subsets or extended subsets of the multiple standards involved. Despite its longevity, WebDAV implementations can be quirky. In the world of web protocols and APIs it predates both SOAP/ XML and RESTful architectures. WebDAV dates back to the late 90s in internet years, it’s ancient.
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You might encounter WebDAV in the Apache HTTP Server, Microsoft IIS, Box.com, WordPress, Drupal, Microsoft Sharepoint, Subversion, Git, Windows Explorer, macOS Finder, Microsoft Office, Apple iWork, Adobe Photoshop, and many other places. A webserver that supports WebDAV simultaneously works like a fileserver. WebDAV (Web Distributed Authoring and Versioning) is one mechanism. The earliest web-browsers supported editing webpages.Ĭollaborative editing of remote content is often needed, nevertheless, and so it’s reappeared on the web in multiple guises. But web-browsers almost immediately lost their ability to edit webpages, and read-only content ballooned to become the overwhelming norm. The world-wide-web was intended to be a medium for consuming and producing content. WebDAV servers and clients still going strong.
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