WebSockets
WebSocket / Upgrade
These tests check how servers handle the HTTP Upgrade mechanism, primarily used for the WebSocket handshake. RFC 9110 Section 7.8 and RFC 6455 define strict requirements for when a server may respond with 101 Switching Protocols.
Server Name
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Click to view Dockerfile and source code
Table Row
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Click to expand all results for that server
Result Cell
Click to see the full HTTP request and response
Click to see the full HTTP request and response
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