大佬教程收集整理的这篇文章主要介绍了详解Nginx反向代理WebSocket响应403的解决办法，大佬教程大佬觉得挺不错的，现在分享给大家，也给大家做个参考。
在Nginx反向代理一个带有WebSocket功能的Spring Web程序（源代码地址 ）时，发现访问WebSocket接口时总是出现403响应，Nginx的配置参考的是 官方文档 :
http { // ssl 相关配置 ... map $http_upgrade $connection_upgrade { default upgrade; '' close; } server { Listen 8020; LOCATIOn /ws { proxy_pass http://some-ip:8080; proxy_http_version 1.1; proxy_set_header Upgrade $http_upgrade; proxy_set_header Connection $connection_upgrade; } } }
于是打开Spring日志查看直接访问和通过Nginx访问的差别。
直接访问的日志：
DEBUG ... o.s.web.servlet.dispatcherServlet : dispatcherServlet with name 'dispatcherServlet' processing GET request for [/ws/gs-guIDe-websocket/786/kz0qai5l/websocket] DEBUG ... s.w.s.m.m.a.requestMapPingHandlerMapPing : Looking up handler method for path /gs-guIDe-websocket/786/kz0qai5l/websocket DEBUG ... s.w.s.m.m.a.requestMapPingHandlerMapPing : DID not find handler method for [/gs-guIDe-websocket/786/kz0qai5l/websocket] DEBUG ... o.s.w.s.s.s.WebSocketHandlerMapPing : Matching patterns for request [/gs-guIDe-websocket/786/kz0qai5l/websocket] are [/gs-guIDe-websocket/**] DEBUG ... o.s.w.s.s.s.WebSocketHandlerMapPing : URI Template variables for request [/gs-guIDe-websocket/786/kz0qai5l/websocket] are {} DEBUG ... o.s.w.s.s.s.WebSocketHandlerMapPing : MapPing [/gs-guIDe-websocket/786/kz0qai5l/websocket] to HandlerExecutionChain with handler [org.springframework.web.socket.sockJs.support.sockJshttprequestHandler@307f6b8c] and 1 interceptor DEBUG ... o.s.web.servlet.dispatcherServlet : Last-ModifIEd value for [/ws/gs-guIDe-websocket/786/kz0qai5l/websocket] is: -1 DEBUG ... o.s.web.cors.DefaultCorsProcessor : Skip CORS processing: request is from same origin DEBUG ... o.s.w.s.s.t.h.DefaultSockJsservice : Processing transport request: GET http://localhost:8080/ws/gs-guIDe-websocket/786/kz0qai5l/websocket DEBUG ... o.s.web.servlet.dispatcherServlet : Null ModelAndVIEw returned to dispatcherServlet with name 'dispatcherServlet': assuming HandlerAdapter completed request handling DEBUG ... o.s.web.servlet.dispatcherServlet : successfully completed request
通过Nginx访问的日志：
DEBUG ... o.s.web.servlet.dispatcherServlet : dispatcherServlet with name 'dispatcherServlet' processing GET request for [/ws/gs-guIDe-websocket/297/jp1c3ab5/websocket] DEBUG ... s.w.s.m.m.a.requestMapPingHandlerMapPing : Looking up handler method for path /gs-guIDe-websocket/297/jp1c3ab5/websocket DEBUG ... s.w.s.m.m.a.requestMapPingHandlerMapPing : DID not find handler method for [/gs-guIDe-websocket/297/jp1c3ab5/websocket] DEBUG ... o.s.w.s.s.s.WebSocketHandlerMapPing : Matching patterns for request [/gs-guIDe-websocket/297/jp1c3ab5/websocket] are [/gs-guIDe-websocket/**] DEBUG ... o.s.w.s.s.s.WebSocketHandlerMapPing : URI Template variables for request [/gs-guIDe-websocket/297/jp1c3ab5/websocket] are {} DEBUG ... o.s.w.s.s.s.WebSocketHandlerMapPing : MapPing [/gs-guIDe-websocket/297/jp1c3ab5/websocket] to HandlerExecutionChain with handler [org.springframework.web.socket.sockJs.support.sockJshttprequestHandler@307f6b8c] and 1 interceptor DEBUG ... o.s.web.servlet.dispatcherServlet : Last-ModifIEd value for [/ws/gs-guIDe-websocket/297/jp1c3ab5/websocket] is: -1 DEBUG ... o.s.w.s.s.t.h.DefaultSockJsservice : Processing transport request: GET http://localhost:8080/ws/gs-guIDe-websocket/297/jp1c3ab5/websocket DEBUG ... o.s.w.s.s.s.OriginHandshakeInterceptor : Handshake request rejected,Origin header value https://some-host.com not allowed DEBUG ... o.s.w.s.s.s.HandshakeInterceptorChain : org.springframework.web.socket.server.support.originHandshakeInterceptor@25ce6ad4 returns false from beforeHandshake - precluding handshake DEBUG ... o.s.web.servlet.dispatcherServlet : Null ModelAndVIEw returned to dispatcherServlet with name 'dispatcherServlet': assuming HandlerAdapter completed request handling DEBUG ... o.s.web.servlet.dispatcherServlet : successfully completed request
注意到直接访问的日志里有这么一条：
通过Nginx访问的日志里有这么一条：
然后google查询相关解决办法，找到github上的这个 issue ，所以只需要修改Nginx的配置，添加 proxy_set_header Origin ""; 就行了：
http { // ssl 相关配置 ... map $http_upgrade $connection_upgrade { default upgrade; '' close; } server { Listen 8020; LOCATIOn /ws { proxy_pass http://some-ip:8080; proxy_http_version 1.1; proxy_set_header Upgrade $http_upgrade; proxy_set_header Connection $connection_upgrade; proxy_set_header Origin ""; } } }
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