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The WebSocket protocol is implemented in different web browsers, web servers, and run-time environments and libraries acting as clients or servers. The following is a table of different features of notable WebSocket implementations.
The client sends an HTTP request (method GET, version ≥ 1.1) and the server returns an HTTP response with status code 101 (Switching Protocols) on success.This means a WebSocket server can use the same port as HTTP (80) and HTTPS (443) because the handshake is compatible with HTTP.
WAMP is a WebSocket subprotocol registered at IANA, [1] specified [2] to offer routed RPC and PubSub. Its design goal [ 3 ] is to provide an open standard for soft, real-time message exchange between application components and ease the creation of loosely coupled architectures based on microservices .
However, the default connection timeout of Apache httpd 1.3 and 2.0 is as little as 15 seconds [6] [7] and just 5 seconds for Apache httpd 2.2 and above. [8] [9] The advantage of a short timeout is the ability to deliver multiple components of a web page quickly while not consuming resources to run multiple server processes or threads for too ...
Mainly used to identify Ajax requests (most JavaScript frameworks send this field with value of XMLHttpRequest); also identifies Android apps using WebView [23] X-Requested-With: XMLHttpRequest: DNT [24] Requests a web application to disable their tracking of a user. This is Mozilla's version of the X-Do-Not-Track header field (since Firefox 4. ...
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The WebSocket Protocol has two parts: a handshake to establish the upgraded connection, then the actual data transfer. First, a client requests a WebSocket connection by using the Upgrade: WebSocket and Connection: Upgrade headers, along with a few protocol-specific headers to establish the version being used and set up a handshake.
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