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gstrauss, 2017-09-24 02:54


Module: mod_wstunnel

WebSocket tunnel endpoint. This module terminates the websocket tunnel from a client. This module then passes data (without websocket frames) to a backend and encodes responses from backend in websocket frames before sending responses to client.

EXPERIMENTAL (new in lighttpd 1.4.46)

Note: if looking to proxy websockets to a backend, then see Docs_ModProxy, Docs_ModCGI, or other backends, some of which can be enabled to be transparent proxies to backends after client sends Upgrade: websocket


Brief description of mod_wstunnel directives

option description
wstunnel.server backend server definition(s) for hosts to which to send requests; options for each backend host
wstunnel.balance load-balancing algorithm for backends ("fair", "least-connection", "round-robin", "hash", or "sticky")
wstunnel.debug debug level (value between 0 and 65535)
wstunnel.frame-type websocket frame type: "text" or "binary" map multiple extensions to the same backend list of permitted origins in Origin request header (optional) send websocket PING frame at given interval in sec (default 0; none sent)

Details for wstunnel.server parameters can be found in mod_fastcgi documentation, since the wstunnel module shares the same code infrastructure with the FastCGI module, and fastcgi.server parameters are very similar.

Updated by gstrauss over 5 years ago · 5 revisions