https://bz.apache.org/bugzilla/show_bug.cgi?id=63262
--- Comment #2 from Chris Seufert <ch...@modd.com.au> --- I have recently run into what I think is this issue with the following config: <If "true" > RewriteEngine On RewriteCond "%{REQUEST_URI}" !^/___proxy_me/ RewriteRule ^/(.*)$ "/___proxy_me/$1" # [L,NE,B=%\ |:] </If> ProxyPass /___proxy_me/ "http://backend/" upgrade=websocket What ends up happening is the backend server receives a url like: %{document_root}%{request_uri} >From logs of two apache servers main proxying to backend running in docker: backend-1 | 172.21.0.2 - - [24/Mar/2024:10:49:02 +0000] "GET /usr/local/apache2/htdocs/ HTTP/1.1" 404 196 main-1 | 172.21.0.1 - - [24/Mar/2024:10:49:02 +0000] "GET / HTTP/1.1" 404 196 backend-1 | 172.21.0.3 - - [24/Mar/2024:11:06:25 +0000] "GET /usr/local/apache2/htdocs/test-url.html HTTP/1.1" 404 196 main-1 | 172.21.0.1 - - [24/Mar/2024:11:06:25 +0000] "GET /test-url.html HTTP/1.1" 404 196 for repoduction using latest docker image version: https://github.com/cseufert/apache-proxy-test-2 -- You are receiving this mail because: You are the assignee for the bug. --------------------------------------------------------------------- To unsubscribe, e-mail: bugs-unsubscr...@httpd.apache.org For additional commands, e-mail: bugs-h...@httpd.apache.org