What WebSocket 101?
101 Switching Protocols is a status code that’s used for a server to indicate that the TCP conncection is about to be used for a different protocol. The best example of this is in the WebSocket protocol. WebSocket uses a HTTP handshake when creating the connection, mainly for security reasons.
What is WSS WebSocket?
The wss protocol establishes a WebSocket over an encrypted TLS connection, while the ws protocol uses an unencrypted connection. To establish the connection, the browser and server perform a WebSocket handshake over HTTP. The browser issues a WebSocket handshake request like the following: GET /chat HTTP/1.1.
What is WebSocket key?
The |Sec-WebSocket-Key| header field is used in the WebSocket opening handshake. It is sent from the client to the server to provide part of the information used by the server to prove that it received a valid WebSocket opening handshake.
What is a 204 response?
The HTTP 204 No Content success status response code indicates that a request has succeeded, but that the client doesn’t need to navigate away from its current page. This might be used, for example, when implementing “save and continue editing” functionality for a wiki site.
What is a 101 status?
The HTTP 101 Switching Protocols response code indicates the protocol the server is switching to as requested by a client which sent the message including the Upgrade request header. The server includes in this response an Upgrade response header to indicate the protocol it switched to.
What is WebSocket connection?
WebSocket is a communications protocol for a persistent, bi-directional, full duplex TCP connection from a user’s web browser to a server. A WebSocket connection is initiated by sending a WebSocket handshake request from a browser’s HTTP connection to a server to upgrade the connection.
Are WebSockets TCP or UDP?
The WebSocket protocol is an independent TCP-based protocol. Its only relationship to HTTP is that its handshake is interpreted by HTTP servers as an Upgrade request. By default the WebSocket protocol uses port 80 for regular WebSocket connections and port 443 for WebSocket connections tunneled over TLS [RFC2818].
Should Put return 200 or 204?
A successful response SHOULD be 200 (OK) if the response includes an entity describing the status, 202 (Accepted) if the action has not yet been enacted, or 204 (No Content) if the action has been enacted but the response does not include an entity.
What are the 3 parts to a response message?
Each message contains either a request from a client or a response from a server. They consist of three parts: a start line describing the message, a block of headers containing attributes, and an optional body containing data.
What is a 302 status code?
The HyperText Transfer Protocol (HTTP) 302 Found redirect status response code indicates that the resource requested has been temporarily moved to the URL given by the Location header.
What does the 101 switching protocols response code mean?
The HTTP 101 Switching Protocols response code indicates the protocol the server is switching to as requested by a client which sent the message including the Upgrade request header. The server includes in this response an Upgrade response header to indicate the protocol it switched to.
What does it mean to switch protocols on a server?
101 Switching Protocols. The server understands and is willing to comply with the client’s request, via the Upgrade header field, for a change in the application protocol being used on this connection.
What do you mean by HTTP status code 101?
HTTP Status Code 101: The server understands and is willing to comply with the client’s request, via the Upgrade header field1, for a change in the application protocol being used on this connection.
What do I need to configure my switch?
Next, make sure your switch has a set hostname and domain name: Hit the show vtp status command to reveal your Virtual Trunking Protocol (VTP) revision numbers. The VTP revision numbers determine which updates are to be used in a VTP domain.